@font-face {
  font-family: "Russo One";
  src: url("./fonts/russo-one-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --signal-bg: #050507;
  --signal-graphite: #09090d;
  --signal-panel: rgba(9, 9, 13, 0.88);
  --signal-panel-solid: #0d0e13;
  --signal-field: rgba(6, 7, 10, 0.86);
  --signal-text: #f3f3f6;
  --signal-muted: #a7adbb;
  --signal-faint: #737783;
  --signal-red: #ef4335;
  --signal-red-hot: #ff6b56;
  --signal-red-deep: #b82018;
  --signal-action-start: #9f1813;
  --signal-action-mid: #b92d24;
  --signal-action-end: #c5362a;
  --signal-action-hover-start: #aa1d16;
  --signal-action-hover-end: #cf3c30;
  --signal-line: rgba(243, 243, 246, 0.14);
  --signal-line-strong: rgba(243, 243, 246, 0.29);
  --signal-focus: #ff9b89;
  --difficulty-easy: #42c982;
  --difficulty-medium: #f1b84b;
  --difficulty-hard: #f06a4f;
  --difficulty-insane: #b978ff;
  --signal-display: "Russo One", "Arial Narrow", sans-serif;
  --signal-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --signal-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --signal-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --signal-header: 78px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: clip;
  background: var(--signal-bg);
  scrollbar-color: var(--signal-red) #09090c;
  scrollbar-width: thin;
}

body.signal-body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  color: var(--signal-text);
  background: var(--signal-bg);
  font-family: var(--signal-sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.signal-body::selection,
body.signal-body *::selection {
  color: #fff;
  background: rgba(239, 67, 53, 0.82);
}

body.signal-body::-webkit-scrollbar {
  width: 10px;
}

body.signal-body::-webkit-scrollbar-track {
  background: #09090c;
}

body.signal-body::-webkit-scrollbar-thumb {
  border: 2px solid #09090c;
  background: var(--signal-red);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--signal-red-hot);
}

:focus-visible {
  outline: 2px solid var(--signal-focus) !important;
  outline-offset: 4px;
}

[x-cloak] {
  display: none !important;
}

.signal-scene,
.signal-scene__media,
.signal-scene__media img,
.signal-scene__exposure,
.signal-scene__vignette,
.signal-scene__scanlines {
  position: fixed;
  inset: 0;
}

.signal-scene {
  z-index: 0;
  overflow: hidden;
  background: var(--signal-bg);
}

.signal-scene__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.025);
  filter: saturate(0.9) contrast(1.06) brightness(0.68);
}

.signal-scene__exposure {
  background:
    radial-gradient(ellipse 42% 64% at 50% 47%, rgba(3, 3, 5, 0.1) 0%, rgba(3, 3, 5, 0.42) 46%, rgba(3, 3, 5, 0.78) 79%, rgba(3, 3, 5, 0.9) 100%),
    linear-gradient(180deg, rgba(1, 1, 2, 0.56), transparent 24% 70%, rgba(1, 1, 2, 0.84));
}

.is-authed .signal-scene__media img {
  filter: saturate(0.72) contrast(1.06) brightness(0.38);
}

.is-authed .signal-scene__exposure {
  background: linear-gradient(180deg, rgba(3, 3, 5, 0.72), rgba(3, 3, 5, 0.88));
}

.signal-scene__vignette {
  box-shadow: inset 0 0 13vw rgba(0, 0, 0, 0.94), inset 0 0 2px rgba(255, 255, 255, 0.08);
}

.signal-scene__scanlines {
  opacity: 0.022;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 1px, transparent 1px, transparent 4px);
  mask-image: radial-gradient(circle at 50% 50%, transparent 0 18%, #000 70%);
}

.signal-frame {
  position: fixed;
  inset: clamp(15px, 2.2vw, 34px);
  z-index: 1;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.055);
}

.signal-frame__corner {
  position: absolute;
  width: 32px;
  height: 32px;
}

.signal-frame__corner::before,
.signal-frame__corner::after {
  content: "";
  position: absolute;
  background: rgba(239, 67, 53, 0.62);
}

.signal-frame__corner::before { width: 32px; height: 1px; }
.signal-frame__corner::after { width: 1px; height: 32px; }
.signal-frame__corner--tl { top: -1px; left: -1px; }
.signal-frame__corner--tr { top: -1px; right: -1px; transform: rotate(90deg); }
.signal-frame__corner--bl { bottom: -1px; left: -1px; transform: rotate(-90deg); }
.signal-frame__corner--br { right: -1px; bottom: -1px; transform: rotate(180deg); }

.signal-shell {
  position: relative;
  z-index: auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.signal-main {
  min-width: 0;
  flex: 1 0 auto;
}

.container {
  --bs-gutter-x: 32px;
  max-width: 1260px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--signal-text);
}

h1,
.display-heading {
  font-family: var(--signal-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h2,
h3,
h4,
h5,
h6 {
  font-weight: 760;
  letter-spacing: -0.02em;
}

code,
pre,
kbd,
.font-monospace,
.challenge-connection-info {
  font-family: var(--signal-mono);
  font-variant-numeric: tabular-nums;
}

.text-muted,
.form-text {
  color: var(--signal-muted) !important;
}

.signal-utility {
  position: fixed;
  top: clamp(26px, 3.2vw, 48px);
  right: clamp(26px, 4vw, 64px);
  left: clamp(26px, 4vw, 64px);
  z-index: 1030;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  pointer-events: none;
}

.signal-utility a,
.signal-utility button,
.signal-utility form {
  pointer-events: auto;
}

.signal-utility__id,
.signal-utility__links,
.signal-language > button {
  color: rgba(243, 243, 246, 0.66);
  font: 400 0.68rem/1 var(--signal-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.signal-utility__id,
.signal-utility__links {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
}

.signal-utility__id i {
  color: var(--signal-red);
  font-style: normal;
}

.signal-utility a:hover,
.signal-utility button:hover {
  color: #fff;
}

.signal-language > button {
  padding: 0;
  background: transparent;
  border: 0;
}

.signal-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  min-height: var(--signal-header);
  background: rgba(5, 5, 7, 0.94);
  border-bottom: 1px solid var(--signal-line);
}

.signal-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: rgba(239, 67, 53, 0.32);
}

.signal-navbar,
.signal-navbar__inner {
  min-height: var(--signal-header);
  padding: 0;
}

.signal-navbar__inner {
  padding-inline: clamp(24px, 3.2vw, 52px);
}

.signal-brand {
  min-width: 224px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: #fff;
  text-decoration: none;
}

.signal-brand:hover { color: #fff; }
.signal-brand img { width: 57px; height: 47px; object-fit: contain; filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.5)); }
.signal-brand span { max-width: 210px; overflow: hidden; font-family: var(--signal-display); font-size: 0.92rem; line-height: 1.1; text-overflow: ellipsis; white-space: nowrap; }

.signal-navbar__panel { align-items: stretch; }
.signal-nav { align-items: stretch; gap: 0; }
.signal-nav--primary { margin-left: 12px; }
.signal-nav--account { margin-left: auto; border-left: 1px solid var(--signal-line); }
.signal-nav .nav-item { display: flex; align-items: stretch; }

.signal-nav__link {
  position: relative;
  min-height: calc(var(--signal-header) - 1px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  color: var(--signal-muted);
  background: transparent;
  border: 0;
  font-size: 0.79rem;
  font-weight: 670;
  letter-spacing: 0.018em;
  text-decoration: none;
  white-space: nowrap;
}

.signal-nav__link::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: -1px;
  left: 12px;
  height: 2px;
  background: var(--signal-red);
  transform: scaleX(0);
  transition: transform 180ms var(--signal-ease);
}

.signal-nav__link:hover,
.signal-nav__link.is-active { color: #fff; }
.signal-nav__link:hover::after,
.signal-nav__link.is-active::after { transform: scaleX(1); }
.signal-nav__link.is-quiet { color: #777b85; }
.signal-nav__link.is-action { color: #fff; background: rgba(239, 67, 53, 0.12); }
.signal-nav__notice { min-width: 52px; padding-inline: 15px; font-size: .94rem; }
.signal-nav__notice b { position: absolute; top: 18px; right: 8px; min-width: 17px; height: 17px; display: inline-grid; place-items: center; padding: 0 4px; color: #fff; background: var(--signal-red); border: 2px solid #050507; font: 700 0.58rem/1 var(--signal-mono); }
.signal-nav__mobile-label { display: none; }
.signal-account__trigger { max-width: 208px; gap: 10px; padding-inline: 14px; }
.signal-account__initial { width: 28px; height: 28px; flex: 0 0 28px; display: grid; place-items: center; color: #fff; background: #16171d; border: 1px solid var(--signal-line-strong); font: 400 .76rem/1 var(--signal-display); }
.signal-account__name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.signal-account__menu { min-width: 220px; }
.signal-account__menu .dropdown-item { min-height: 44px; display: flex; align-items: center; padding-inline: 12px; font-size: .82rem; font-weight: 620; }
.signal-account__menu .dropdown-divider { border-color: var(--signal-line); }
.signal-account__logout { color: #888d98; }
.signal-language__trigger { min-width: 54px; padding-inline: 14px; font: 600 .69rem/1 var(--signal-mono); letter-spacing: .09em; }
.signal-language__mobile-label { display: none; }

.signal-navbar__toggle {
  width: 46px;
  height: 46px;
  padding: 10px;
  border: 1px solid var(--signal-line-strong);
  border-radius: 0;
}

.signal-navbar__toggle span { display: block; height: 1px; margin: 5px 0; background: #fff; }

.dropdown-menu {
  padding: 6px;
  color: var(--signal-text);
  background: #0b0c11;
  border: 1px solid var(--signal-line-strong);
  border-radius: 0;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

.dropdown-item { min-height: 44px; display: flex; align-items: center; color: var(--signal-muted); border-radius: 0; }
.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item.active { color: #fff; background: rgba(239, 67, 53, 0.18); }

.signal-entry,
.signal-auth {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(92px, 12vh, 132px) 24px clamp(60px, 8vh, 84px);
}

.signal-entry__stage,
.signal-auth__stage {
  position: relative;
  width: min(100%, 760px);
  margin-inline: auto;
  text-align: center;
}

.signal-entry__stage::before,
.signal-auth__stage::before {
  content: "";
  position: absolute;
  inset: -100px -150px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(4, 4, 7, 0.95), rgba(4, 4, 7, 0.62) 52%, transparent 74%);
}

.signal-entry__logo,
.signal-auth__brand {
  width: clamp(149px, 11.8vw, 182px);
  display: block;
  margin: 0 auto clamp(18px, 2.4vh, 28px);
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.7));
}

.signal-entry__logo { height: auto; }
.signal-auth__brand img { width: 100%; height: auto; }

.signal-kicker {
  margin: 0 0 14px;
  color: var(--signal-red-hot);
  font: 400 0.7rem/1 var(--signal-mono);
  letter-spacing: 0.2em;
}

.signal-entry h1,
.signal-auth h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5.1vw, 5.1rem);
  text-shadow: 0 5px 36px rgba(0, 0, 0, 0.75);
}

.signal-lead,
.signal-auth__heading > p:last-child,
.signal-auth__heading > div > p:last-child {
  max-width: 640px;
  margin: 24px auto 0;
  color: #d0cfd4;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.65;
  text-wrap: balance;
}

.signal-entry__actions {
  width: min(100%, 560px);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 14px;
  margin: 34px auto 0;
}

.signal-entry__actions--single {
  width: min(100%, 300px);
  grid-template-columns: 1fr;
}

.is-authed.endpoint-views-static_html .signal-main {
  min-height: 0;
  display: flex;
  flex: 1 1 auto;
  margin-bottom: 0;
  padding-top: 0;
}

.is-authed.endpoint-views-static_html .signal-entry--authed {
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  padding-block: clamp(34px, 6vh, 56px);
}

.signal-entry--authed .signal-entry__logo {
  margin-bottom: 10px;
}

.btn {
  border-radius: 0;
  font-weight: 760;
  letter-spacing: -0.01em;
}

.btn-primary,
.btn-outline-secondary,
.btn-outline-success,
.btn-outline-danger,
.btn-secondary,
.btn-info,
.btn-outline-info,
.btn-danger,
.btn-success {
  position: relative;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  overflow: hidden;
  padding: 0 22px;
  clip-path: polygon(0 0, calc(100% - 13px) 0, 100% 13px, 100% 100%, 0 100%);
  transition: transform 160ms var(--signal-ease), background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn-primary::before,
.btn-outline-secondary::before,
.btn-outline-success::before,
.btn-outline-danger::before,
.btn-secondary::before,
.btn-info::before,
.btn-outline-info::before,
.btn-danger::before,
.btn-success::before {
  content: "";
  position: absolute;
  top: 6px;
  right: -3px;
  z-index: 2;
  width: 19px;
  height: 1px;
  pointer-events: none;
  background: var(--signal-button-border);
  transform: rotate(45deg);
  transform-origin: center;
}

.btn-lg { min-height: 58px; }

.btn-primary {
  --signal-button-border: rgba(255, 119, 97, 0.74);
  color: #fff;
  background: linear-gradient(112deg, var(--signal-action-start), var(--signal-action-mid) 54%, var(--signal-action-end));
  border-color: var(--signal-button-border);
  box-shadow: 0 16px 38px rgba(160, 24, 17, 0.24), inset 0 1px rgba(255, 255, 255, 0.12);
}

.btn-primary:hover,
.btn-primary:focus { --signal-button-border: var(--signal-red-hot); color: #fff; background: linear-gradient(112deg, var(--signal-action-hover-start), var(--signal-action-hover-end)); border-color: var(--signal-button-border); transform: translateY(-2px); }
.btn-outline-secondary,
.btn-secondary,
.btn-info,
.btn-outline-info { --signal-button-border: var(--signal-line-strong); color: var(--signal-text); background: rgba(8, 9, 12, 0.78); border-color: var(--signal-button-border); }
.btn-outline-secondary:hover,
.btn-secondary:hover,
.btn-info:hover,
.btn-outline-info:hover { --signal-button-border: rgba(255, 255, 255, 0.48); color: #fff; background: rgba(22, 23, 29, 0.94); border-color: var(--signal-button-border); transform: translateY(-2px); }
.btn-outline-success { --signal-button-border: #3bab79; color: #55c992; background: rgba(24, 115, 74, 0.08); border-color: var(--signal-button-border); }
.btn-outline-danger { --signal-button-border: #ef6154; color: #ff786c; background: rgba(185, 45, 36, 0.08); border-color: var(--signal-button-border); }
.btn-outline-success:hover { --signal-button-border: #55c992; color: #fff; background: #18734a; border-color: var(--signal-button-border); }
.btn-outline-danger:hover { --signal-button-border: #ff786c; color: #fff; background: #b92d24; border-color: var(--signal-button-border); }
.btn-danger { --signal-button-border: #ef6154; color: #fff; background: #b92d24; border-color: var(--signal-button-border); }
.btn-success { --signal-button-border: #3bab79; color: #fff; background: #18734a; border-color: var(--signal-button-border); }
.btn:active { transform: translateY(0) !important; }

.signal-entry__actions .btn { justify-content: space-between; }
.signal-entry__actions .btn i { width: 16px; height: 16px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); }

.signal-auth__stage { width: min(100%, 560px); }
.signal-auth__stage--wide { width: min(100%, 1040px); }
.signal-auth--login .signal-auth__stage { width: min(100%, 520px); }
.signal-auth__brand { width: clamp(113px, 8.7vw, 137px); }
.signal-auth__heading h1 { font-size: clamp(2rem, 3.6vw, 3.35rem); }
.signal-auth__heading > p:last-child,
.signal-auth__heading > div > p:last-child { margin-top: 14px; font-size: 1rem; }

.signal-auth__heading--register { display: flex; align-items: end; justify-content: space-between; gap: 36px; text-align: left; }
.signal-auth__heading--register h1 { max-width: 720px; font-size: clamp(2rem, 3.2vw, 3.2rem); }
.signal-auth__heading--register .signal-kicker,
.signal-auth__heading--register > div > p:last-child { margin-left: 0; text-align: left; }
.signal-auth__heading--register > small { flex: 0 0 auto; margin-bottom: 4px; color: #878b96; font-size: 0.74rem; letter-spacing: 0.04em; }

.signal-auth__form { width: 100%; display: grid; gap: 16px; margin: 28px auto 0; text-align: left; }
.signal-auth--login .signal-auth__form { gap: 18px; margin-top: 32px; }
.signal-auth--login .signal-field small { margin-top: 10px; }
.signal-auth--login .signal-auth__switch { margin-top: 6px; padding-top: 4px; }
.signal-field { min-width: 0; }
.signal-field > b,
.signal-extra-fields label { display: block; margin: 0 0 8px; color: #d9d7dc; font-size: 0.78rem; font-weight: 720; letter-spacing: 0.025em; }
.signal-input { position: relative; }
.signal-input::before,
.signal-extra-fields .form-control::before { content: ""; position: absolute; top: 0; left: 0; z-index: 2; width: 26px; height: 1px; background: var(--signal-red); }

.form-control,
.form-select,
textarea.form-control,
.signal-extra-fields input,
.signal-extra-fields select,
.signal-extra-fields textarea {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  color: var(--signal-text);
  caret-color: var(--signal-red-hot);
  background: var(--signal-field);
  border: 1px solid rgba(243, 243, 246, 0.19);
  border-radius: 0;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

textarea.form-control,
.signal-extra-fields textarea { min-height: 120px; padding-block: 13px; }
.form-control::placeholder { color: #70747f; }
.form-control:hover,
.form-select:hover { border-color: rgba(243, 243, 246, 0.34); }
.form-control:focus,
.form-select:focus { color: #fff; background: rgba(10, 10, 14, 0.96); border-color: var(--signal-red-hot); box-shadow: 0 0 0 1px rgba(255, 107, 86, 0.24), 0 0 0 4px rgba(239, 67, 53, 0.09); }
.form-check-input { background-color: #111218; border-color: var(--signal-line-strong); border-radius: 0 !important; }
.form-check-input:checked { background-color: var(--signal-red); border-color: var(--signal-red-hot); }

.signal-field small,
.signal-extra-fields small { display: block; margin-top: 7px; color: #858995; font-size: 0.73rem; line-height: 1.35; }
.signal-input--password .form-control { padding-right: 52px; }
.signal-password-toggle { position: absolute; top: 50%; right: 4px; width: 44px; height: 44px; display: grid; place-items: center; padding: 0; color: #a4a1aa; background: transparent; border: 0; transform: translateY(-50%); }
.signal-password-toggle::before { content: ""; width: 20px; height: 13px; border: 1.6px solid currentColor; border-radius: 50% 50% 48% 48%; }
.signal-password-toggle::after { content: ""; position: absolute; width: 5px; height: 5px; background: currentColor; border-radius: 50%; }
.signal-password-toggle.is-visible::after { width: 18px; height: 1.5px; border-radius: 0; transform: rotate(-35deg); }
.signal-password-toggle:hover { color: #fff; }

.signal-auth__switch { margin: 2px 0 0; color: #94919a; font-size: 0.9rem; text-align: center; }
.signal-auth__switch a,
.signal-register-actions a { color: var(--signal-red-hot); }

.signal-register-form { grid-template-columns: minmax(0, 1fr); gap: 28px; margin-top: 28px; }
.signal-form-group { min-width: 0; margin: 0; padding: 18px 0 0; border: 0; border-top: 1px solid var(--signal-line); }
.signal-form-group legend { float: left; width: 100%; margin: -1px 0 14px; padding: 0; color: #c8c6cc; font: 400 0.72rem/1 var(--signal-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.signal-form-group legend + * { clear: both; }
.signal-form-group legend span { margin-right: 8px; color: var(--signal-red-hot); }
.signal-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 22px; }
.signal-field--wide { grid-column: 1 / -1; }
.signal-extra-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 22px; }
.signal-extra-fields > div { min-width: 0; margin-bottom: 0 !important; }
.signal-extra-fields > div:last-child:nth-child(odd) { grid-column: 1 / -1; }
.signal-extra-fields p { margin: 0; }
.signal-register-actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); align-items: center; gap: clamp(48px, 7vw, 96px); margin-top: 2px; padding-top: 26px; border-top: 1px solid var(--signal-line); }
.signal-register-actions > .btn { grid-column: 2; grid-row: 1; width: 100%; }
.signal-register-actions p { grid-column: 1; grid-row: 1; justify-self: start; margin: 0; color: #94919a; }
.signal-legal { color: #858995; font-size: 0.78rem; }

.alert {
  color: #f5f2f3;
  background: rgba(11, 12, 17, 0.94);
  border: 1px solid var(--signal-line-strong);
  border-radius: 0;
}
.alert-danger { color: #ffd0ca; background: rgba(104, 18, 14, 0.44); border-color: rgba(255, 107, 86, 0.6); }
.alert-success { color: #c9f5dd; background: rgba(16, 91, 57, 0.44); border-color: rgba(66, 201, 130, 0.58); }
.alert-info { color: #d4eaff; background: rgba(29, 76, 112, 0.44); border-color: rgba(92, 164, 220, 0.56); }
.alert-warning { color: #ffe4a3; background: rgba(108, 74, 12, 0.44); border-color: rgba(241, 184, 75, 0.58); }

.signal-content,
.press-section,
.challenge-board-shell,
.scoreboard-container,
.account-page,
.settings-container,
.notifications-container {
  position: relative;
  padding: 42px 0 72px;
}

.signal-content > .container,
.press-section > .container,
.challenge-board-shell > .container,
.scoreboard-container > .container,
.account-page > .container,
.settings-container > .container,
.notifications-container > .container {
  padding-top: 28px;
  padding-bottom: 34px;
  background: rgba(9, 9, 13, 0.9);
  border: 1px solid var(--signal-line);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

.jumbotron {
  position: relative;
  margin: 0;
  padding: 50px 0 42px;
  color: var(--signal-text);
  background: rgba(5, 5, 7, 0.46);
  border-bottom: 1px solid var(--signal-line);
}
.jumbotron h1 { margin: 0; font-family: var(--signal-display); font-size: clamp(2.2rem, 4.2vw, 4.2rem); font-weight: 400; letter-spacing: -.035em; }
.jumbotron + .container,
.settings-page {
  margin-top: 42px;
  margin-bottom: 72px;
  padding-top: 28px;
  padding-bottom: 34px;
  background: rgba(9, 9, 13, 0.9);
  border: 1px solid var(--signal-line);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}
.settings-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 34px; }
.settings-layout aside { padding-right: 22px; border-right: 1px solid var(--signal-line); }
.settings-layout .nav-link { min-height: 44px; display: flex; align-items: center; padding: 0 12px; text-align: left; }
.users-search { --bs-gutter-x: 14px; }

.team-directory__summary { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 22px; padding-bottom: 16px; color: var(--signal-muted); border-bottom: 1px solid var(--signal-line); font-size: .82rem; }
.team-directory__summary strong { color: #fff; }
.team-directory__summary span { flex: 0 0 auto; color: var(--signal-faint); font: .62rem/1.3 var(--signal-mono); letter-spacing: .06em; text-transform: uppercase; }
.team-directory__search { margin-bottom: 12px; }
.team-directory__table { table-layout: fixed; }
.team-directory__table th:first-child { width: 34%; }
.team-directory__table th:nth-child(2) { width: 42%; }
.team-directory__table th:last-child { width: 70px; }
.team-directory__name,
.team-directory__affiliation { display: inline-block; max-width: 100%; overflow-wrap: anywhere; }
.team-directory__name { color: #fff; font-weight: 720; }
.team-directory__website { justify-content: flex-end; }

.page-masthead.team-flow-masthead { padding: 34px 0 30px; }
.team-flow-masthead__inner { display: flex; align-items: end; justify-content: space-between; gap: clamp(24px, 5vw, 72px); }
.team-flow-masthead--centered .team-flow-masthead__inner { justify-content: center; text-align: center; }
.page-masthead.team-flow-masthead h1 { flex: 0 0 auto; font-size: clamp(2.35rem, 4vw, 3.65rem); }
.team-flow-masthead p { max-width: 56ch; margin: 0 0 4px; color: var(--signal-muted); line-height: 1.6; }

.team-enrollment > .container { width: min(100% - var(--bs-gutter-x), 980px); padding: 0; overflow: hidden; }
.team-form-page > .container { width: min(100% - var(--bs-gutter-x), 820px); padding: 0; overflow: hidden; }
.team-form-page > .container > .alert { margin: 18px 18px 0; }
.team-form__intro h2,
.team-invite h2 { margin: 0; color: #fff; font: 400 clamp(1.45rem, 3vw, 2.1rem)/1.12 var(--signal-display); letter-spacing: -.025em; }
.team-form__intro p,
.team-invite p { max-width: 68ch; margin: 12px 0 0; color: var(--signal-muted); line-height: 1.65; }
.team-enrollment__official { margin: 24px; }
.team-enrollment__actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.team-enrollment__action { min-height: 268px; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(24px, 4vw, 38px); color: var(--signal-text); background: rgba(8, 8, 12, .72); text-decoration: none; transition: background-color 150ms ease; }
.team-enrollment__action + .team-enrollment__action { border-left: 1px solid var(--signal-line); }
.team-enrollment__action > span { min-width: 0; }
.team-enrollment__action strong,
.team-enrollment__action small { display: block; }
.team-enrollment__action strong { max-width: 16ch; color: #fff; font: 400 clamp(1.55rem, 3vw, 2.1rem)/1.08 var(--signal-display); letter-spacing: -.025em; }
.team-enrollment__action small { max-width: 46ch; margin-top: 14px; color: var(--signal-muted); font-size: .86rem; line-height: 1.6; }
.team-enrollment__action em { display: block; margin: auto 0 18px; padding-top: 28px; color: var(--signal-faint); font-size: .72rem; font-style: normal; letter-spacing: .025em; }
.team-enrollment__action b { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; color: #fff; background: #111218; border: 1px solid var(--signal-line-strong); font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%); }
.team-enrollment__action:hover { color: #fff; background: #101116; }
.team-enrollment__action:hover b { background: var(--signal-red); border-color: var(--signal-red-hot); }
.team-enrollment__action:focus-visible { position: relative; z-index: 1; outline: 2px solid var(--signal-red-hot); outline-offset: -4px; }

.team-flow-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-bottom: 1px solid var(--signal-line); }
.team-flow-tabs a { position: relative; min-height: 56px; display: flex; align-items: center; justify-content: center; padding: 0 18px; color: var(--signal-muted); background: #090a0e; font-size: .8rem; font-weight: 740; text-decoration: none; }
.team-flow-tabs a + a { border-left: 1px solid var(--signal-line); }
.team-flow-tabs a:hover { color: #fff; background: #111218; }
.team-flow-tabs a[aria-current="page"] { color: #fff; background: #111218; }
.team-flow-tabs a[aria-current="page"]::after { position: absolute; right: 18px; bottom: 0; left: 18px; height: 2px; background: var(--signal-red); content: ""; }

.team-form { display: grid; gap: 26px; padding: clamp(24px, 4vw, 34px); }
.team-form__intro { padding-bottom: 22px; border-bottom: 1px solid var(--signal-line); }
.team-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.team-form .signal-field { min-width: 0; }
.team-form .signal-field > b { display: block; margin-bottom: 9px; }
.team-form__extra:empty { display: none; }
.team-form__extra { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.team-form__extra > .mb-3 { min-width: 0; margin: 0 !important; }
.team-form__extra > .mb-3:last-child:nth-child(odd) { grid-column: 1 / -1; }
.team-form__extra label { margin-bottom: 9px; font-weight: 700; }
.team-form__actions { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--signal-line); }
.team-form__actions > a,
.team-invite__alternate { color: var(--signal-muted); text-underline-offset: 4px; }
.team-form__actions > a:hover,
.team-invite__alternate:hover { color: #fff; }
.team-form__actions .btn { min-width: 164px; }
.team-invite { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 28px; }
.team-invite form { margin: 0; }
.team-invite form .btn { min-width: 180px; }
.team-invite__alternate { grid-column: 1 / -1; justify-self: start; }

.notifications-list { overflow: hidden; }
.notification-sheet { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--signal-line); }
.notification-sheet:last-child { border-bottom: 0; }
.notification-sheet__date { color: var(--signal-muted); font: .72rem/1.5 var(--signal-mono); }
.notification-sheet__content h2 { margin: 0 0 10px; font-family: var(--signal-display); font-size: 1.25rem; font-weight: 400; }
.notification-sheet__content > div { color: #d2d1d6; }

.signal-main > .container:first-child:last-child,
.signal-main > .container > .row > [class*="col-"] > .pt-5.mt-5 {
  margin-top: 64px;
  margin-bottom: 72px;
  padding: 48px 28px !important;
  background: rgba(9, 9, 13, .88);
  border: 1px solid var(--signal-line);
}

.page-masthead,
.account-hero {
  position: relative;
  padding: 50px 0 42px;
  border-bottom: 1px solid var(--signal-line);
  background: rgba(5, 5, 7, 0.46);
}

.page-masthead__inner,
.account-hero__grid { position: relative; }
.page-masthead h1,
.account-hero h1 { margin: 0; font-size: clamp(2.2rem, 4.2vw, 4.2rem); }

.press-rule-heading,
.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--signal-line);
}
.press-rule-heading h2,
.category-header h2 { margin: 0; font-family: var(--signal-display); font-size: 1.12rem; font-weight: 400; letter-spacing: -0.02em; text-transform: uppercase; }
.press-rule-heading > span,
.category-total { color: var(--signal-muted); font: 0.74rem/1 var(--signal-mono); letter-spacing: 0.06em; }

.challenge-tools { margin-bottom: 42px; border-top: 1px solid var(--signal-line); }
.challenge-loading { min-height: 50vh; display: flex; align-items: center; }
.signal-empty-state { display: flex; }
.challenge-tools__head { min-height: 66px; display: grid; grid-template-columns: minmax(240px, 1fr) auto auto; align-items: center; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--signal-line); }
.challenge-search { position: relative; max-width: 520px; display: block; }
.challenge-search::before { position: absolute; top: 50%; left: 16px; z-index: 1; width: 10px; height: 10px; border: 1px solid #747986; border-radius: 50%; content: ""; pointer-events: none; transform: translateY(-62%); }
.challenge-search::after { position: absolute; top: calc(50% + 4px); left: 25px; z-index: 1; width: 5px; height: 1px; background: #747986; content: ""; pointer-events: none; transform: rotate(45deg); transform-origin: left center; }
.challenge-search input { width: 100%; min-height: 44px; padding: 0 40px 0 44px !important; color: #fff; caret-color: var(--signal-red-hot); background: #090a0e; border: 1px solid var(--signal-line); border-radius: 0; font-size: .82rem; }
.challenge-search input::placeholder { color: #70747f; }
.challenge-search input:hover { border-color: var(--signal-line-strong); }
.challenge-search input:focus { border-color: var(--signal-red); outline: 0; box-shadow: 0 0 0 3px rgba(239, 67, 53, .08); }
.challenge-search input::-webkit-search-cancel-button { filter: invert(1); opacity: .58; }
.challenge-tools__result { display: flex; align-items: baseline; gap: 7px; color: var(--signal-faint); white-space: nowrap; }
.challenge-tools__result strong { color: #fff; font: 400 1.15rem/1 var(--signal-display); }
.challenge-tools__result span { font: .62rem/1 var(--signal-mono); letter-spacing: .08em; text-transform: uppercase; }
.challenge-tools__reset { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; padding: 0; color: var(--signal-muted); background: transparent; border: 0; font-size: .75rem; font-weight: 700; }
.challenge-tools__reset:hover { color: #fff; }
.challenge-tools__reset b { min-width: 22px; height: 22px; display: inline-grid; place-items: center; color: #fff; background: rgba(239, 67, 53, .18); border: 1px solid rgba(239, 67, 53, .48); font: 700 .65rem/1 var(--signal-mono); }
.challenge-filter-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 34px; padding: 18px 0 20px; border-bottom: 1px solid var(--signal-line); }
.challenge-filter-line { min-width: 0; }
.challenge-filter-line__label { margin-bottom: 9px; color: #7f8490; font: 0.64rem/1 var(--signal-mono); letter-spacing: 0.13em; text-transform: uppercase; }
.challenge-tools__filters { display: flex; flex-wrap: wrap; gap: 7px; }
.challenge-filter {
  --signal-filter-border: var(--signal-line);
  position: relative;
  min-height: 44px;
  overflow: hidden;
  padding: 0 12px;
  color: var(--signal-muted);
  background: #0a0b0f;
  border: 1px solid var(--signal-filter-border);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  font-size: 0.74rem;
  font-weight: 680;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}
.challenge-filter::before { content: ""; position: absolute; top: 4px; right: -3px; width: 15px; height: 1px; pointer-events: none; background: var(--signal-filter-border); transform: rotate(45deg); }
.challenge-filter:hover { --signal-filter-border: var(--signal-line-strong); color: #fff; background: #111218; }
.challenge-filter.is-active { --signal-filter-border: var(--signal-red); color: #fff; background: rgba(239, 67, 53, 0.16); }
.challenge-filter[data-difficulty="easy"].is-active { --signal-filter-border: var(--difficulty-easy); color: var(--difficulty-easy); background: rgba(66, 201, 130, 0.1); }
.challenge-filter[data-difficulty="medium"].is-active { --signal-filter-border: var(--difficulty-medium); color: var(--difficulty-medium); background: rgba(241, 184, 75, 0.1); }
.challenge-filter[data-difficulty="hard"].is-active { --signal-filter-border: var(--difficulty-hard); color: var(--difficulty-hard); background: rgba(240, 106, 79, 0.1); }
.challenge-filter[data-difficulty="insane"].is-active { --signal-filter-border: var(--difficulty-insane); color: var(--difficulty-insane); background: rgba(185, 120, 255, 0.1); }
.challenge-event-picker { position: relative; width: min(100%, 360px); }
.challenge-event-picker__trigger {
  --signal-filter-border: var(--signal-line);
  position: relative;
  width: 100%;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  overflow: hidden;
  padding: 0 35px 0 12px;
  color: var(--signal-muted);
  background: #0a0b0f;
  border: 1px solid var(--signal-filter-border);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  font-size: .74rem;
  font-weight: 680;
  text-align: left;
}
.challenge-event-picker__trigger::before { position: absolute; top: 4px; right: -3px; width: 15px; height: 1px; background: var(--signal-filter-border); content: ""; transform: rotate(45deg); }
.challenge-event-picker__trigger i { position: absolute; top: 50%; right: 16px; width: 7px; height: 7px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-70%) rotate(45deg); }
.challenge-event-picker__trigger:hover { --signal-filter-border: var(--signal-line-strong); color: #fff; background: #111218; }
.challenge-event-picker__trigger.is-active { --signal-filter-border: #84a8d8; color: #bdd6f6; background: rgba(93, 137, 190, .12); }
.challenge-event-picker__trigger:disabled { color: #686d78; cursor: not-allowed; opacity: .72; }
.challenge-event-picker__trigger:disabled:hover { --signal-filter-border: var(--signal-line); color: #686d78; background: #0a0b0f; }
.challenge-event-picker__trigger[aria-expanded="true"] i { transform: translateY(-25%) rotate(225deg); }
.challenge-event-picker__panel { position: absolute; top: calc(100% + 7px); right: 0; left: 0; z-index: 30; padding: 8px; background: #0b0c11; border: 1px solid var(--signal-line-strong); box-shadow: 0 18px 44px rgba(0, 0, 0, .42); }
.challenge-event-picker__head { min-height: 32px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 7px 7px; color: #7f8490; font: .61rem/1 var(--signal-mono); letter-spacing: .08em; text-transform: uppercase; }
.challenge-event-picker__head button { padding: 0; color: #aeb3bf; background: transparent; border: 0; font: inherit; }
.challenge-event-picker__head button:hover { color: #fff; }
.challenge-event-picker__search { display: block; padding: 0 0 8px; }
.challenge-event-picker__search input { width: 100%; min-height: 44px; padding: 0 10px !important; color: #fff; caret-color: var(--signal-red-hot); background: #07080c; border: 1px solid var(--signal-line); border-radius: 0; font-size: .75rem; }
.challenge-event-picker__search input::placeholder { color: #6f7480; }
.challenge-event-picker__search input:hover { border-color: var(--signal-line-strong); }
.challenge-event-picker__search input:focus { border-color: #84a8d8; outline: 0; box-shadow: 0 0 0 3px rgba(132, 168, 216, .08); }
.challenge-event-picker__search input::-webkit-search-cancel-button { filter: invert(1); opacity: .58; }
.challenge-event-picker__list { max-height: 230px; overflow-y: auto; overscroll-behavior: contain; }
.challenge-event-option { position: relative; width: 100%; min-height: 44px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 0 9px 0 28px; color: var(--signal-muted); background: transparent; border: 0; text-align: left; }
.challenge-event-option::before { position: absolute; margin-left: -18px; width: 8px; height: 8px; border: 1px solid #555b67; content: ""; }
.challenge-event-option:hover { color: #fff; background: #12141a; }
.challenge-event-option.is-active { color: #d6e7fb; background: rgba(93, 137, 190, .12); }
.challenge-event-option.is-active::before { background: #84a8d8; border-color: #84a8d8; box-shadow: inset 0 0 0 2px #0b0c11; }
.challenge-event-option small { color: #787e8a; font: .65rem/1 var(--signal-mono); }
.challenge-event-picker__empty { margin: 0; padding: 18px 10px; color: #777d89; font-size: .74rem; text-align: center; }

.category-section { margin-top: 0; margin-bottom: 48px; }
.challenges-row { --bs-gutter-x: 14px; --bs-gutter-y: 14px; }
.challenge-button {
  --signal-card-border: var(--signal-line);
  position: relative;
  min-height: 146px;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: rgba(10, 11, 15, 0.9);
  border: 1px solid var(--signal-card-border);
  border-radius: 0;
  text-align: left;
  box-shadow: none;
  transform: none !important;
}
[data-bs-theme="dark"] .challenge-button {
  background-color: rgba(10, 11, 15, 0.9);
  border: 1px solid var(--signal-card-border);
}
[data-bs-theme="dark"] .challenge-button:hover {
  background-color: #111218;
}
[data-bs-theme="dark"] .challenge-button.challenge-solved,
[data-bs-theme="dark"] .challenge-button.challenge-solved:hover {
  background-color: rgba(20, 62, 44, 0.72);
}
.challenge-button::before { content: ""; position: absolute; top: 0; left: 0; width: 42px; height: 2px; background: var(--signal-red); }
.challenge-button::after { content: ""; position: absolute; inset: 0; background: rgba(255, 255, 255, 0.018); opacity: 0; transition: opacity 180ms ease; }
.challenge-button:hover { --signal-card-border: rgba(255, 255, 255, 0.36); color: #fff; background: #111218; border-color: var(--signal-card-border); }
.challenge-button:hover::after { opacity: 1; }
.challenge-chamfer { position: absolute; top: -1px; right: -1px; z-index: 3; width: 16px; height: 16px; pointer-events: none; }
.challenge-chamfer::before { position: absolute; top: 0; right: 0; width: 0; height: 0; border-top: 16px solid var(--signal-bg); border-left: 16px solid transparent; content: ""; }
.challenge-chamfer::after { position: absolute; top: 7px; right: -3px; width: 22px; height: 1px; background: var(--signal-card-border); content: ""; transform: rotate(45deg); }
.challenge-inner { position: relative; z-index: 1; min-height: 144px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; }
.challenge-card-heading > p { margin: 0; font-size: 1.02rem; font-weight: 780; line-height: 1.3; }
.challenge-card-event { display: block; max-width: 100%; overflow: hidden; margin-top: 7px; color: #8fa8c8; font: .62rem/1.2 var(--signal-mono); letter-spacing: .05em; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.challenge-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 22px; color: var(--signal-muted); font-size: 0.76rem; }
.challenge-card-stats { display: flex; align-items: baseline; gap: 9px; }
.challenge-card-points { display: inline-flex; align-items: baseline; gap: 4px; white-space: nowrap; }
.challenge-card-points strong { color: #fff; font-family: var(--signal-display); font-size: 1.45rem; font-weight: 400; }
.challenge-card-points small { color: #858a95; font-size: .66rem; font-weight: 680; }
.challenge-card-solves { display: inline-flex; align-items: baseline; gap: 4px; color: #858a95; white-space: nowrap; }
.challenge-card-solves strong { color: #c7cad2; font: 700 .76rem/1 var(--signal-mono); }
.challenge-card-solves small { color: #858a95; font-size: .64rem; font-weight: 680; }
.challenge-card-difficulty { margin-left: auto; font: 0.65rem/1 var(--signal-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.challenge-card-difficulty[data-difficulty="easy"] { color: var(--difficulty-easy); }
.challenge-card-difficulty[data-difficulty="medium"] { color: var(--difficulty-medium); }
.challenge-card-difficulty[data-difficulty="hard"] { color: var(--difficulty-hard); }
.challenge-card-difficulty[data-difficulty="insane"] { color: var(--difficulty-insane); }
.challenge-button.difficulty-easy::before { background: var(--difficulty-easy); }
.challenge-button.difficulty-medium::before { background: var(--difficulty-medium); }
.challenge-button.difficulty-hard::before { background: var(--difficulty-hard); }
.challenge-button.difficulty-insane::before { background: var(--difficulty-insane); }
.challenge-button.challenge-solved { --signal-card-border: rgba(66, 201, 130, 0.55); background: rgba(20, 62, 44, 0.72); border-color: var(--signal-card-border); }
.challenge-button.challenge-solved::after { opacity: 1; background: rgba(66, 201, 130, 0.035); }
.challenge-button.challenge-solved .challenge-inner::after { content: ""; position: absolute; top: 20px; right: 20px; width: 14px; height: 8px; border-left: 2px solid var(--difficulty-easy); border-bottom: 2px solid var(--difficulty-easy); transform: rotate(-45deg); }
.challenge-button.challenge-locked { opacity: 0.48; cursor: not-allowed; }

.modal-backdrop.show { opacity: 0.78; }
.modal-dialog { max-width: 860px; }
.modal-content { position: relative; color: var(--signal-text); background: #0a0b0f; border: 1px solid var(--signal-line-strong); border-radius: 0; box-shadow: 0 32px 120px rgba(0, 0, 0, 0.72); clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%); }
.modal-content::before { content: ""; position: absolute; top: 8px; right: -4px; z-index: 4; width: 26px; height: 1px; pointer-events: none; background: var(--signal-line-strong); transform: rotate(45deg); }
.modal-body { padding: 28px !important; }
.btn-close { filter: invert(1) grayscale(1); opacity: 0.78; }
.nav-tabs { border-bottom-color: var(--signal-line); }
.nav-tabs .nav-link { color: var(--signal-muted); background: transparent; border: 0; border-bottom: 2px solid transparent; border-radius: 0; }
.nav-tabs .nav-link:hover,
.nav-tabs .nav-link.active { color: #fff; background: transparent; border-color: var(--signal-red); }
.challenge-name { font-family: var(--signal-display); font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 400; }
.challenge-value { color: var(--signal-red-hot); font-family: var(--signal-display); font-size: 1.5rem; font-weight: 400; }
.challenge-tag { color: #d5d7de !important; background: #181920 !important; border: 1px solid var(--signal-line); border-radius: 0; }
.challenge-tag[data-difficulty="easy"] { color: var(--difficulty-easy) !important; border-color: rgba(66, 201, 130, 0.48); }
.challenge-tag[data-difficulty="medium"] { color: var(--difficulty-medium) !important; border-color: rgba(241, 184, 75, 0.48); }
.challenge-tag[data-difficulty="hard"] { color: var(--difficulty-hard) !important; border-color: rgba(240, 106, 79, 0.5); }
.challenge-tag[data-difficulty="insane"] { color: var(--difficulty-insane) !important; border-color: rgba(185, 120, 255, 0.5); }
.challenge-tag[data-kind="event"] { color: #bdd6f6 !important; border-color: rgba(132, 168, 216, .46); }
.challenge-desc { display: block; margin: 28px 0; color: #d8d7dc; }
.challenge-desc img { max-width: 100%; height: auto; }
.challenge-desc pre,
.challenge-connection-info { display: block; overflow-x: auto; padding: 14px 16px; color: #f5d8d4; background: #08090c; border: 1px solid var(--signal-line); }
.challenge-files .btn { min-height: 44px; }
.submit-row { align-items: stretch; }
.challenge-input { min-height: 52px; }
.challenge-submit { min-height: 52px; }

.table-responsive { border: 1px solid var(--signal-line); }
.table { --bs-table-color: var(--signal-text); --bs-table-bg: transparent; --bs-table-striped-color: var(--signal-text); --bs-table-striped-bg: rgba(255,255,255,.025); --bs-table-hover-color: #fff; --bs-table-hover-bg: rgba(239,67,53,.07); margin: 0; color: var(--signal-text); }
.table > :not(caption) > * > * { padding: 15px 16px; border-bottom-color: var(--signal-line); background: transparent; box-shadow: none; }
.table thead th { color: #8f949f; font: 0.67rem/1 var(--signal-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.table tbody tr:last-child > * { border-bottom: 0; }
.table a { color: #fff; text-decoration: none; }
.table a:hover { color: var(--signal-red-hot); }
.scoreboard-place { color: var(--signal-muted); font-family: var(--signal-display); font-size: 1.15rem; font-weight: 400; }
.scoreboard-table tbody tr:first-child .scoreboard-place,
.scoreboard-table tbody tr:first-child .scoreboard-score { color: var(--signal-red-hot); }
.scoreboard-score { font-family: var(--signal-mono); font-size: 1rem; font-weight: 700; }
.scoreboard-brackets { gap: 8px; }
.scoreboard-brackets .nav-link { min-height: 44px; padding: 0 14px; color: var(--signal-muted); background: transparent; border: 1px solid var(--signal-line); border-radius: 0; }
.scoreboard-brackets .nav-link.active { color: #fff; background: rgba(239, 67, 53, 0.16); border-color: var(--signal-red); }
#score-graph { min-height: 360px; }

.account-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 36px; }
.account-hero__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 16px; color: var(--signal-muted); }
.account-hero__meta span,
.account-hero__meta a { overflow-wrap: anywhere; }
.account-team-link { color: #fff; text-decoration: none; }
.account-team-link strong { color: var(--signal-red-hot); font-weight: 700; }
.account-team-link:hover { color: var(--signal-red-hot); }
.account-hero__stats { display: flex; padding-left: 0; border-left: 0; }
.account-stat { min-width: 132px; padding: 8px 22px; border-left: 1px solid var(--signal-line); }
.account-stat strong { display: block; color: #fff; font-family: var(--signal-display); font-size: 2.05rem; font-weight: 400; line-height: 1; }
.account-stat span { display: block; margin-top: 8px; color: var(--signal-muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.account-award { height: 100%; padding: 20px; background: rgba(11, 12, 17, 0.7); border: 1px solid var(--signal-line); }
.account-award > * { display: block; }
.account-award b { margin-top: 18px; color: var(--signal-red-hot); font-family: var(--signal-display); font-size: 1.4rem; font-weight: 400; }
.account-graphs { margin-top: 44px; }
.account-breakdown { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; gap: 18px; }
.account-breakdown__item { min-width: 0; padding: 20px; background: rgba(10, 11, 15, 0.68); border: 1px solid var(--signal-line); }
.account-breakdown__item:first-child { display: flex; flex-direction: column; }
.account-attempts__heading,
.account-specialization__heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.account-attempts__heading > span,
.account-specialization__heading > span { color: var(--signal-faint); font: .66rem/1.2 var(--signal-mono); letter-spacing: .05em; text-transform: uppercase; }
.account-attempts__accuracy { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-top: 44px; padding-bottom: 13px; border-bottom: 1px solid var(--signal-line); }
.account-attempts__accuracy > span { color: var(--signal-muted); font-size: .78rem; }
.account-attempts__accuracy > strong { color: #fff; font: 400 clamp(2.2rem, 4vw, 3.35rem)/.88 var(--signal-display); letter-spacing: -.03em; }
.progress { height: 9px; margin-top: 14px; background: #16171d; border-radius: 0; }
.account-progress--success { background: var(--difficulty-easy); }
.account-progress--fail { background: var(--signal-red); }
.account-breakdown__legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 12px; color: var(--signal-muted); font-size: 0.75rem; }
.account-breakdown__legend > span { display: inline-flex; align-items: center; gap: 6px; }
.account-breakdown__legend i { width: 8px; height: 8px; display: inline-block; background: #999; }
.account-breakdown__legend i.is-success { background: var(--difficulty-easy); }
.account-breakdown__legend i.is-fail { background: var(--signal-red); }
.account-attempts__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: auto 0 0; padding-top: 26px; }
.account-attempts__metrics > div { min-width: 0; padding: 0 14px; border-left: 1px solid var(--signal-line); }
.account-attempts__metrics > div:first-child { padding-left: 0; border-left: 0; }
.account-attempts__metrics dt { color: var(--signal-faint); font: .64rem/1.25 var(--signal-mono); letter-spacing: .07em; text-transform: uppercase; }
.account-attempts__metrics dd { margin: 8px 0 0; color: #fff; font: 400 1.65rem/1 var(--signal-display); }
.account-attempts__metrics dd.is-success { color: var(--difficulty-easy); }
.account-attempts__metrics dd.is-fail { color: var(--signal-red-hot); }
.account-specialization { padding-bottom: 10px; }
.account-specialization__chart { width: 100%; height: 320px; margin-top: 2px; }

.team-hero .signal-kicker { margin-bottom: 12px; }
.team-hero__stats .account-stat { min-width: 112px; }
.team-admin-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin: -12px 0 34px; padding-bottom: 18px; border-bottom: 1px solid var(--signal-line); }
.team-admin-actions .btn { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; padding-inline: 14px; font-size: .76rem; }
.team-admin-actions .btn i { width: 16px; text-align: center; }

.team-roster { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 46px; border-top: 1px solid var(--signal-line); border-bottom: 1px solid var(--signal-line); }
.team-roster.has-overflow { margin-bottom: 0; }
.team-roster__member.is-extra { display: none; }
.team-roster.is-expanded .team-roster__member.is-extra { display: grid; }
.team-roster__member { min-width: 0; min-height: 112px; display: grid; grid-template-columns: 46px minmax(0, 1fr); grid-template-rows: 1fr auto; align-items: center; gap: 4px 14px; padding: 18px; color: var(--signal-text); border-left: 1px solid var(--signal-line); text-decoration: none; }
.team-roster__member:nth-child(4n + 1) { border-left: 0; }
.team-roster__member:nth-child(n + 5) { border-top: 1px solid var(--signal-line); }
.team-roster__member:hover { color: #fff; background: rgba(239, 67, 53, .055); }
.team-roster__member.is-captain { background: rgba(239, 67, 53, .075); }
.team-roster__member.is-captain:hover { background: rgba(239, 67, 53, .12); }
.team-roster__initial { width: 46px; height: 46px; grid-row: 1 / 3; display: grid; place-items: center; color: #fff; background: #15161c; border: 1px solid var(--signal-line-strong); font: 400 1.12rem/1 var(--signal-display); }
.team-roster__member.is-captain .team-roster__initial { color: #fff; background: rgba(239, 67, 53, .16); border-color: var(--signal-red); }
.team-roster__identity { min-width: 0; align-self: end; }
.team-roster__identity strong { display: -webkit-box; overflow: hidden; overflow-wrap: anywhere; color: #f1f0f3; font-size: .95rem; line-height: 1.25; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.team-roster__identity small { display: block; margin-top: 5px; color: var(--signal-faint); font: .62rem/1 var(--signal-mono); letter-spacing: .08em; text-transform: uppercase; }
.team-roster__member.is-captain .team-roster__identity small { color: var(--signal-red-hot); }
.team-roster__score { display: flex; align-items: baseline; gap: 5px; align-self: start; }
.team-roster__score strong { color: #fff; font: 400 1.35rem/1 var(--signal-display); }
.team-roster__score small { color: var(--signal-faint); font-size: .64rem; }
.team-roster__toggle { min-height: 46px; display: flex; align-items: center; justify-content: center; gap: 9px; margin: 0 0 46px; padding: 0 14px; color: var(--signal-muted); background: rgba(10, 11, 15, .72); border: 0; border-right: 1px solid var(--signal-line); border-bottom: 1px solid var(--signal-line); border-left: 1px solid var(--signal-line); font-size: .74rem; font-weight: 680; }
.team-roster__toggle:hover { color: #fff; background: rgba(239, 67, 53, .06); }
.team-roster__toggle b { min-width: 24px; height: 24px; display: grid; place-items: center; color: #fff; background: rgba(239, 67, 53, .15); border: 1px solid rgba(239, 67, 53, .42); font: 700 .64rem/1 var(--signal-mono); }

.team-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0 0 18px; border: 1px solid var(--signal-line); }
.team-metric { min-width: 0; padding: 17px 18px; border-left: 1px solid var(--signal-line); }
.team-metric:first-child { border-left: 0; }
.team-metric > span { display: block; color: var(--signal-faint); font: .62rem/1.2 var(--signal-mono); letter-spacing: .09em; text-transform: uppercase; }
.team-metric strong { display: block; margin-top: 12px; color: #fff; font: 400 clamp(1.65rem, 3vw, 2.3rem)/1 var(--signal-display); }
.team-metric small { display: block; margin-top: 6px; overflow: hidden; color: var(--signal-muted); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }

.team-intelligence { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: start; gap: 18px; }
.team-panel { min-width: 0; min-height: 430px; padding: 20px; background: rgba(10, 11, 15, .72); border: 1px solid var(--signal-line); }
.team-panel > header { min-height: 44px; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.team-panel > header strong,
.team-panel > header span { display: block; }
.team-panel > header strong { color: #fff; font-size: .9rem; }
.team-panel > header span { margin-top: 5px; color: var(--signal-faint); font: .62rem/1.3 var(--signal-mono); letter-spacing: .04em; text-transform: uppercase; }
.team-panel > header > b { color: var(--signal-red-hot); font: 400 1.6rem/1 var(--signal-display); }
.team-radar { position: relative; width: 100%; height: 340px; margin-top: 8px; }
.team-radar__svg { width: 100%; height: 100%; overflow: visible; }
.team-radar__grid { fill: rgba(255, 255, 255, .012); stroke: rgba(255, 255, 255, .13); stroke-width: 1; }
.team-radar__axis { stroke: rgba(255, 255, 255, .09); stroke-width: 1; }
.team-radar__area { fill: rgba(239, 67, 53, .19); stroke: var(--signal-red-hot); stroke-width: 2; }
.team-radar__point { fill: #fff; stroke: var(--signal-red); stroke-width: 2; }
.team-radar__target { fill: transparent; stroke: transparent; cursor: pointer; }
.team-radar__target:focus { outline: none; stroke: rgba(255, 255, 255, .62); stroke-width: 1.5; }
.team-radar__label { fill: #aeb1ba; font: 600 10px/1 var(--signal-mono); letter-spacing: .04em; }
.team-radar__sparse-ring { fill: rgba(255, 255, 255, .008); stroke: rgba(255, 255, 255, .13); stroke-width: 1; }
.team-radar__sparse-data { stroke: var(--signal-red-hot); stroke-width: 3; }
.team-radar__center { fill: #0a0b0f; stroke: rgba(255, 255, 255, .34); stroke-width: 1; }
.team-radar__note { fill: var(--signal-faint); font: 500 10px/1 var(--signal-mono); letter-spacing: .035em; }
.team-radar__tooltip { position: absolute; z-index: 4; min-width: 132px; max-width: 190px; padding: 9px 11px; color: #fff; background: #111218; border: 1px solid var(--signal-line-strong); box-shadow: 0 10px 28px rgba(0, 0, 0, .42); pointer-events: none; transform: translate(-50%, calc(-100% - 12px)); }
.team-radar__tooltip[hidden] { display: none; }
.team-radar__tooltip strong,
.team-radar__tooltip span { display: block; }
.team-radar__tooltip strong { overflow-wrap: anywhere; font-size: .75rem; }
.team-radar__tooltip span { margin-top: 5px; color: var(--signal-muted); font: .58rem/1.35 var(--signal-mono); letter-spacing: .035em; text-transform: uppercase; }

.team-contribution { display: grid; gap: 17px; margin-top: 22px; }
.team-contribution__row { min-width: 0; }
.team-contribution__row.is-extra { display: none; }
.team-contribution.is-expanded .team-contribution__row.is-extra { display: block; }
.team-contribution__head { display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.team-contribution__head > span { min-width: 0; }
.team-contribution__head strong { display: inline-block; max-width: 100%; overflow: hidden; color: #e6e5e9; font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }
.team-contribution__head small { margin-left: 7px; color: var(--signal-red-hot); font: .54rem/1 var(--signal-mono); letter-spacing: .06em; text-transform: uppercase; }
.team-contribution__head b { color: #fff; font: 400 1rem/1 var(--signal-display); }
.team-contribution__track { height: 5px; margin-top: 8px; overflow: hidden; background: #17181e; }
.team-contribution__track i { height: 100%; display: block; background: var(--signal-red); }
.team-contribution__meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 6px; color: var(--signal-faint); font: .58rem/1 var(--signal-mono); letter-spacing: .04em; text-transform: uppercase; }
.team-contribution__toggle { width: 100%; min-height: 42px; display: flex; align-items: center; justify-content: center; gap: 9px; margin-top: 18px; padding: 0 12px; color: var(--signal-muted); background: #111218; border: 1px solid var(--signal-line); font-size: .7rem; font-weight: 680; }
.team-contribution__toggle[hidden] { display: none; }
.team-contribution__toggle:hover { color: #fff; border-color: var(--signal-line-strong); }
.team-contribution__toggle b { min-width: 23px; height: 23px; display: grid; place-items: center; color: #fff; background: rgba(239, 67, 53, .15); border: 1px solid rgba(239, 67, 53, .42); font: 700 .61rem/1 var(--signal-mono); }
.team-score-panel { margin-top: 42px; }
.team-score-panel #score-graph { min-height: 390px; }
.team-solves-table td:nth-child(3) a { color: #bfc2ca; }

.card,
.list-group-item,
.accordion-item {
  color: var(--signal-text);
  background: rgba(10, 11, 15, 0.82);
  border-color: var(--signal-line);
  border-radius: 0;
}
.card-header,
.card-footer { background: rgba(255, 255, 255, 0.025); border-color: var(--signal-line); }
.list-group-item-action:hover { color: #fff; background: rgba(239, 67, 53, 0.08); }
.nav-pills .nav-link { color: var(--signal-muted); border-radius: 0; }
.nav-pills .nav-link.active { color: #fff; background: var(--signal-red); }

.markdown-content { color: #d3d2d7; }
.markdown-content h1,
.markdown-content h2,
.markdown-content h3 { margin-top: 1.6em; color: #fff; }
.markdown-content h1:first-child,
.markdown-content h2:first-child { margin-top: 0; }
.markdown-content blockquote { margin-left: 0; padding: 14px 18px; color: #d9d7dc; background: rgba(239, 67, 53, 0.07); border-left: 2px solid var(--signal-red); }
.markdown-content hr { border-color: var(--signal-line); opacity: 1; }

.spinner { color: var(--signal-red); }
.badge { border-radius: 0; }
.pagination { gap: 4px; }
.page-link { color: var(--signal-muted); background: #0b0c11; border-color: var(--signal-line); border-radius: 0 !important; }
.page-link:hover,
.page-item.active .page-link { color: #fff; background: var(--signal-red); border-color: var(--signal-red-hot); }
.signal-page-nav { display: flex; flex-direction: column; align-items: center; gap: 9px; margin-top: 22px; }
.signal-page-nav__label { color: #7f8490; font: .64rem/1 var(--signal-mono); letter-spacing: .12em; text-transform: uppercase; }
.signal-page-nav__controls { display: flex; align-items: center; justify-content: center; gap: 8px; }
.signal-page-nav__button,
.signal-page-nav__select-wrap { --signal-page-border: var(--signal-line-strong); position: relative; height: 46px; overflow: hidden; color: var(--signal-muted); background: #0a0b0f; border: 1px solid var(--signal-page-border); clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%); }
.signal-page-nav__button::before,
.signal-page-nav__select-wrap::before { position: absolute; top: 3px; right: -3px; z-index: 2; width: 14px; height: 1px; background: var(--signal-page-border); content: ""; pointer-events: none; transform: rotate(45deg); }
.signal-page-nav__button { width: 46px; display: grid; place-items: center; text-decoration: none; }
.signal-page-nav__button:hover { --signal-page-border: var(--signal-red); color: #fff; background: rgba(239, 67, 53, .12); }
.signal-page-nav__button.is-disabled { color: #555a64; cursor: default; opacity: .5; }
.signal-page-nav__button i { width: 8px; height: 8px; border-bottom: 1px solid currentColor; border-left: 1px solid currentColor; }
.signal-page-nav__button--prev i { transform: translateX(2px) rotate(45deg); }
.signal-page-nav__button--next i { transform: translateX(-2px) rotate(225deg); }
.signal-page-nav__select-wrap { width: 70px; }
.signal-page-nav__select-wrap::after { position: absolute; top: 50%; right: 13px; width: 7px; height: 7px; border-right: 1px solid var(--signal-muted); border-bottom: 1px solid var(--signal-muted); content: ""; pointer-events: none; transform: translateY(-70%) rotate(45deg); }
.signal-page-nav .page-select { width: 100%; height: 44px !important; appearance: none; padding: 0 28px 0 13px !important; color: #fff; background: transparent; border: 0; border-radius: 0; font: 700 .78rem/1 var(--signal-mono); }
.signal-page-nav .page-select:focus { outline: 0; box-shadow: inset 0 0 0 1px var(--signal-red); }
.signal-page-nav__total { min-width: 36px; color: #7f8490; font: .68rem/1 var(--signal-mono); }

.signal-footer {
  min-height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 0 clamp(24px, 4vw, 64px);
  color: #6f737d;
  background: rgba(5, 5, 7, 0.88);
  border-top: 1px solid var(--signal-line);
  font: 0.66rem/1 var(--signal-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.signal-footer > span:first-child { color: #a9acb5; }
.signal-footer::after { content: ""; }
.signal-footer nav { display: flex; justify-content: center; gap: 16px; }
.signal-footer a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; }
.is-guest.endpoint-auth-login .signal-footer,
.is-guest.endpoint-auth-register .signal-footer,
.is-guest.endpoint-auth-reset_password .signal-footer,
.is-guest.endpoint-views-static_html .signal-footer { display: none; }

.signal-ignition {
  position: fixed;
  inset: 0;
  z-index: 2000;
  overflow: hidden;
  pointer-events: none;
}
.signal-ignition__top,
.signal-ignition__bottom { position: absolute; right: 0; left: 0; height: 50.1%; background: #020203; transform-origin: top; animation: signal-shutter 390ms 70ms cubic-bezier(0.12, 0.76, 0.22, 1) both; }
.signal-ignition__top { top: 0; }
.signal-ignition__bottom { bottom: 0; transform-origin: bottom; }
.signal-ignition__line { position: absolute; top: 50%; left: 50%; width: min(78vw, 920px); height: 1px; background: #fff; box-shadow: 0 0 5px #fff, 0 0 14px rgba(239, 67, 53, 0.7); animation: signal-line 420ms 20ms var(--signal-ease) both; }
.signal-ignition__bloom { position: absolute; top: 50%; left: 50%; width: min(78vw, 980px); aspect-ratio: 2.5 / 1; background: radial-gradient(ellipse at center, rgba(255,255,255,.26), rgba(255,87,67,.2) 24%, rgba(239,67,53,.06) 52%, transparent 75%); animation: signal-bloom 430ms 100ms ease-out both; }
.signal-seen .signal-ignition { display: none; }

@keyframes signal-shutter { from { transform: scaleY(1); } to { transform: scaleY(0); } }
@keyframes signal-line { 0% { opacity: .12; transform: translate(-50%, -50%) scaleX(.06); } 20% { opacity: 1; } 62% { opacity: .9; transform: translate(-50%, -50%) scaleX(1); } 100% { opacity: 0; transform: translate(-50%, -50%) scaleX(1); } }
@keyframes signal-bloom { 0% { opacity: 0; transform: translate(-50%, -50%) scaleX(.18); } 30% { opacity: .58; } 100% { opacity: 0; transform: translate(-50%, -50%) scaleX(1); } }

@media (max-width: 1199px) {
  .signal-navbar__panel { margin-top: 0; padding: 10px 0 16px; border-top: 1px solid var(--signal-line); }
  .signal-nav--primary,
  .signal-nav--account { margin-left: 0; border-left: 0; }
  .signal-nav .nav-item { display: block; }
  .signal-nav__link { min-height: 44px; width: 100%; justify-content: flex-start; padding: 0 12px; }
  .signal-nav__link::after { right: auto; bottom: 6px; width: 30px; }
  .signal-nav__notice { gap: 11px; font-size: .86rem; }
  .signal-nav__notice b { position: static; border: 0; }
  .signal-nav__mobile-label { display: inline; font-size: .79rem; }
  .signal-account__trigger { max-width: none; }
  .signal-account__menu,
  .signal-language .dropdown-menu { position: static !important; width: calc(100% - 48px); margin: 0 0 8px 48px; padding: 4px 0 4px 12px; transform: none !important; background: transparent; border: 0; border-left: 1px solid var(--signal-line-strong); box-shadow: none; }
  .signal-account__menu .dropdown-item { padding-inline: 10px; }
  .signal-account__menu .dropdown-divider { margin-right: 8px; }
  .signal-language > .signal-language__trigger { gap: 10px; padding: 0 12px; font-size: .69rem; }
  .signal-language__mobile-label { display: inline; color: var(--signal-muted); font-family: var(--signal-sans); font-size: .79rem; font-weight: 670; letter-spacing: .018em; text-transform: none; }
  .signal-language__code { order: -1; width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 28px; color: #fff; background: #16171d; border: 1px solid var(--signal-line-strong); font: 600 .61rem/1 var(--signal-mono); letter-spacing: .06em; }
  .team-roster { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-roster__member:nth-child(n) { border-left: 1px solid var(--signal-line); }
  .team-roster__member:nth-child(odd) { border-left: 0; }
  .team-roster__member:nth-child(n + 3) { border-top: 1px solid var(--signal-line); }
}

@media (max-width: 820px) {
  .challenge-filter-grid { grid-template-columns: 1fr; gap: 16px; }
  .signal-auth__heading--register { display: block; text-align: center; }
  .signal-auth__heading--register .signal-kicker,
  .signal-auth__heading--register > div > p:last-child { margin-inline: auto; text-align: center; }
  .signal-auth__heading--register > small { display: block; margin-top: 10px; text-align: center; }
  .signal-register-form { grid-template-columns: 1fr; }
  .signal-extra-fields { grid-template-columns: 1fr; }
  .signal-extra-fields > div:last-child:nth-child(odd) { grid-column: auto; }
  .signal-register-actions { grid-template-columns: 1fr; gap: 18px; padding-top: 22px; text-align: center; }
  .signal-register-actions > .btn { grid-column: 1; grid-row: 2; }
  .signal-register-actions p { grid-column: 1; grid-row: 1; justify-self: center; }
  .account-hero__grid { grid-template-columns: 1fr; align-items: start; }
  .account-hero__stats { width: 100%; }
  .account-stat:first-child { padding-left: 0; border-left: 0; }
  .account-breakdown { grid-template-columns: 1fr; }
  .account-specialization__chart { height: 300px; }
  .team-hero__stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-hero__stats .account-stat { min-width: 0; }
  .team-hero__stats .account-stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .team-hero__stats .account-stat:nth-child(n + 3) { margin-top: 16px; }
  .team-intelligence { grid-template-columns: 1fr; }
  .team-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-metric:nth-child(odd) { border-left: 0; }
  .team-metric:nth-child(n + 3) { border-top: 1px solid var(--signal-line); }
  .settings-layout { grid-template-columns: 1fr; }
  .settings-layout aside { padding-right: 0; padding-bottom: 14px; border-right: 0; border-bottom: 1px solid var(--signal-line); }
}

@media (max-width: 720px) {
  .signal-frame { border: 0; }
  .signal-frame__corner--bl,
  .signal-frame__corner--br { display: none; }
  .signal-scene__media img { object-position: center top; filter: saturate(.86) contrast(1.04) brightness(.56); }
  .is-authed .signal-scene__media img { filter: saturate(.66) contrast(1.04) brightness(.26); }
  .signal-scene__exposure { background: radial-gradient(ellipse 72% 44% at 50% 39%, rgba(3,3,5,.08), rgba(3,3,5,.6) 58%, rgba(3,3,5,.88) 100%), linear-gradient(180deg, rgba(1,1,2,.5), transparent 25%, rgba(1,1,2,.88)); }
  .signal-utility { top: 24px; right: 25px; left: 25px; }
  .signal-utility__id,
  .signal-utility__links > a,
  .signal-utility .signal-language > button { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .signal-field small a,
  .signal-auth__switch a,
  .signal-register-actions a,
  .signal-legal a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .signal-utility__id span:last-child,
  .signal-utility__id i { display: none; }
  .signal-utility__links { gap: 12px; font-size: .6rem; }
  .signal-entry,
  .signal-auth { align-items: flex-start; padding: 94px 16px 52px; }
  .signal-entry { align-items: center; min-height: 100svh; padding-top: 108px; }
  .signal-entry__stage::before,
  .signal-auth__stage::before { inset: -54px -42px; }
  .signal-entry__logo,
  .signal-auth__brand { width: 111px; margin-bottom: 17px; }
  .signal-entry h1 { font-size: clamp(2.2rem, 12vw, 3.7rem); }
  .signal-auth h1 { font-size: clamp(1.9rem, 8.5vw, 2.8rem); }
  .signal-lead,
  .signal-auth__heading > p:last-child,
  .signal-auth__heading > div > p:last-child { margin-top: 18px; font-size: .98rem; line-height: 1.55; }
  .signal-entry__actions { grid-template-columns: 1fr; width: min(100%, 390px); margin-top: 28px; }
  .signal-field-grid { grid-template-columns: 1fr; }
  .signal-field--wide { grid-column: auto; }
  .page-masthead,
  .account-hero { padding: 36px 0 30px; }
  .signal-content,
  .press-section,
  .challenge-board-shell,
  .scoreboard-container,
  .account-page,
  .settings-container,
  .notifications-container { padding: 18px 0 42px; }
  .signal-content > .container,
  .press-section > .container,
  .challenge-board-shell > .container,
  .scoreboard-container > .container,
  .account-page > .container,
  .settings-container > .container,
  .notifications-container > .container { padding-top: 22px; padding-bottom: 24px; border-right: 0; border-left: 0; }
  .challenge-filter-line { grid-template-columns: 1fr; gap: 9px; }
  .challenge-filter-line__label { padding-top: 0; }
  .challenge-tools__head { grid-template-columns: minmax(0, 1fr) auto; gap: 10px 14px; }
  .challenge-search { max-width: none; grid-column: 1 / -1; }
  .challenge-tools__result { justify-self: start; }
  .challenge-tools__reset { justify-self: end; }
  .challenge-card-difficulty { margin-left: 0; }
  .modal-body { padding: 18px !important; }
  .submit-row > div + div { margin-top: 10px !important; }
  .account-solves-table thead { display: none; }
  .account-solves-table tbody,
  .account-solves-table tr,
  .account-solves-table td { display: block; width: 100%; }
  .account-solves-table tbody tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px 18px; padding: 16px; border-bottom: 1px solid var(--signal-line); }
  .account-solves-table tbody tr:last-child { border-bottom: 0; }
  .account-solves-table.table > tbody > tr > td { padding: 0; border: 0; text-align: left !important; }
  .account-solves-table td::before { display: block; margin-bottom: 3px; color: var(--signal-faint); content: attr(data-label); font: .61rem/1.2 var(--signal-mono); letter-spacing: .09em; text-transform: uppercase; }
  .account-solves-table td:nth-child(1) { grid-column: 1; grid-row: 1; font-weight: 700; }
  .account-solves-table td:nth-child(2) { grid-column: 1; grid-row: 2; color: var(--signal-muted); }
  .account-solves-table td:nth-child(3) { grid-column: 2; grid-row: 1; min-width: 76px; }
  .account-solves-table td:nth-child(4) { grid-column: 2; grid-row: 2; max-width: 160px; color: var(--signal-muted); font-size: .78rem; }
  #score-graph { min-height: 280px; }
  .account-specialization__heading { align-items: flex-start; flex-direction: column; gap: 5px; }
  .account-specialization__chart { height: 286px; margin-inline: -8px; width: calc(100% + 16px); }
  .team-admin-actions { justify-content: stretch; margin-top: 0; }
  .team-admin-actions .btn { flex: 1 1 calc(50% - 4px); justify-content: center; }
  .team-roster { grid-template-columns: 1fr; }
  .team-roster__member:nth-child(n) { border-left: 0; }
  .team-roster__member:nth-child(n + 2) { border-top: 1px solid var(--signal-line); }
  .team-panel { min-height: 0; padding: 17px 14px; }
  .team-radar { height: 310px; margin-inline: -5px; width: calc(100% + 10px); }
  .team-contribution__meta { font-size: .54rem; }
  .team-score-panel #score-graph { min-height: 300px; }
  .team-directory__summary { align-items: flex-start; flex-direction: column; gap: 7px; }
  .team-directory__table { table-layout: auto; }
  .team-directory__table thead { display: none; }
  .team-directory__table tbody,
  .team-directory__table tr,
  .team-directory__table td { display: block; width: 100%; }
  .team-directory__table tbody tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 18px; padding: 16px; border-bottom: 1px solid var(--signal-line); }
  .team-directory__table tbody tr:last-child { border-bottom: 0; }
  .team-directory__table.table > tbody > tr > td { padding: 0; border: 0; text-align: left !important; }
  .team-directory__table td::before { display: block; margin-bottom: 3px; color: var(--signal-faint); content: attr(data-label); font: .61rem/1.2 var(--signal-mono); letter-spacing: .09em; text-transform: uppercase; }
  .team-directory__table td:first-child,
  .team-directory__table td:nth-child(2) { grid-column: 1; }
  .team-directory__table td:nth-child(3) { display: none; }
  .team-directory__table td:last-child { grid-column: 2; grid-row: 1; }
  .team-flow-masthead__inner { align-items: flex-start; flex-direction: column; gap: 10px; }
  .team-flow-masthead p { margin-bottom: 0; }
  .team-enrollment > .container,
  .team-form-page > .container { padding: 0; }
  .team-enrollment__actions { grid-template-columns: 1fr; }
  .team-enrollment__action { min-height: 0; }
  .team-enrollment__action + .team-enrollment__action { border-top: 1px solid var(--signal-line); border-left: 0; }
  .team-enrollment__action em { margin-top: 24px; padding-top: 0; }
  .team-enrollment__action b { width: 100%; }
  .team-form__grid,
  .team-form__extra { grid-template-columns: 1fr; }
  .team-form__extra > .mb-3:last-child:nth-child(odd) { grid-column: auto; }
  .team-form__actions { align-items: stretch; flex-direction: column-reverse; }
  .team-form__actions .btn { width: 100%; }
  .team-invite { grid-template-columns: 1fr; align-items: start; }
  .team-invite form .btn { width: 100%; }
  .team-invite__alternate { grid-column: auto; }
  .team-solves-table tbody tr { grid-template-columns: minmax(0, 1fr) auto; }
  .team-solves-table td:nth-child(1) { grid-column: 1; grid-row: 1; }
  .team-solves-table td:nth-child(2) { grid-column: 1; grid-row: 2; }
  .team-solves-table td:nth-child(3) { grid-column: 1; grid-row: 3; }
  .team-solves-table td:nth-child(4) { grid-column: 2; grid-row: 1; }
  .team-solves-table td:nth-child(5) { grid-column: 2; grid-row: 2 / 4; align-self: end; }
  .signal-footer { grid-template-columns: 1fr; gap: 4px; justify-items: center; padding-block: 12px; text-align: center; }
  .signal-footer::after { display: none; }
  .signal-footer nav { flex-wrap: wrap; }
  .table tbody a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; }
  .jumbotron { padding: 36px 0 30px; }
  .jumbotron + .container,
  .settings-page { margin-top: 18px; margin-bottom: 42px; padding-top: 22px; padding-bottom: 24px; border-right: 0; border-left: 0; }
  .notification-sheet { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 420px) {
  .container { --bs-gutter-x: 24px; }
  .signal-utility__id,
  .signal-utility__links,
  .signal-language > button { font-size: .56rem; }
  .signal-entry,
  .signal-auth { padding-inline: 14px; }
  .btn-lg { min-height: 54px; }
  .account-hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); }
  .account-stat { min-width: 0; padding-inline: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .signal-ignition { display: none; }
}