:root {
  color-scheme: dark;
  --bg: #030307;
  --panel: #101025;
  --panel-deep: #06070d;
  --blue: #4778c6;
  --line: rgba(49, 66, 141, 0.5);
  --line-strong: rgba(69, 88, 176, 0.68);
  --text: #f4f6ff;
  --muted: rgba(244, 246, 255, 0.84);
  --success: #31c48d;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  --watermark: #1b1b49;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 42% 10%, rgba(64, 86, 168, 0.18), transparent 30rem),
    linear-gradient(180deg, #17172b 0%, #05060b 43%, #020204 100%);
  color: var(--text);
  font-family:
    Inter, Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  position: relative;
  box-sizing: border-box;
  display: grid;
  min-height: 100svh;
  grid-template-rows: minmax(31rem, 1fr) auto;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(21, 22, 45, 0.98) 0%, rgba(8, 9, 21, 0.99) 42%, rgba(2, 2, 5, 1) 100%),
    var(--bg);
}

.links-panel {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: clamp(2rem, 4.2vw, 4.1rem) 1.5rem 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.1rem;
}

.brand-logo {
  width: clamp(16.5rem, 26vw, 25.1rem);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 0.9rem rgba(78, 129, 219, 0.2));
}

h1 {
  margin: 0 0 1.55rem;
  color: var(--text);
  font-size: clamp(1.25rem, 1.7vw, 1.72rem);
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.link-list {
  display: grid;
  width: min(100%, 11rem);
  gap: 0.72rem;
}

.link-card {
  display: grid;
  min-height: 3.06rem;
  grid-template-columns: 1.9rem 1fr;
  align-items: center;
  gap: 0.6rem;
  padding: 0.47rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: rgba(7, 9, 21, 0.48);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.012),
    0 10px 24px rgba(0, 0, 0, 0.12);
  color: #ffffff;
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1.12;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.link-card:hover,
.link-card:focus-visible {
  border-color: var(--line-strong);
  background: rgba(20, 24, 52, 0.82);
  transform: translateY(-1px);
  outline: none;
}

.link-card small {
  display: block;
  font-size: 0.51rem;
  font-weight: 700;
  line-height: 1.12;
}

.icon-wrap {
  display: grid;
  width: 1.74rem;
  height: 1.74rem;
  place-items: center;
  overflow: hidden;
  border-radius: 0.45rem;
}

.icon-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-panel {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  overflow: hidden;
  min-height: 24rem;
  padding: 0 clamp(1.5rem, 5.3vw, 4.8rem) 2rem;
  border-top: 1px solid rgba(22, 45, 126, 0.72);
  background:
    radial-gradient(circle at 50% 22%, rgba(40, 48, 130, 0.14), transparent 18rem),
    linear-gradient(180deg, #05060c 0%, #0d0d20 100%);
}

.watermark {
  display: block;
  width: 100%;
  max-width: 86.5rem;
  margin: 2.85rem auto 1.8rem;
  opacity: 0.82;
}

.footer-links {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 1.7rem;
  width: min(100%, 86.5rem);
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.64rem;
  line-height: 1.4;
}

.footer-links a:last-child {
  justify-self: end;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
  outline: none;
}

.notice,
.success {
  margin-bottom: 18px;
  border: 1px solid rgba(93, 142, 209, 0.36);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(93, 142, 209, 0.12);
  color: rgba(255, 255, 255, 0.84);
}

.success {
  border-color: rgba(49, 196, 141, 0.5);
  background: rgba(49, 196, 141, 0.12);
}

.admin-body {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(5, 36, 89, 0.34), rgba(3, 4, 7, 0.96)),
    #030407;
}

.admin-wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 38px 0 70px;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.admin-top img,
.login-panel img {
  width: 180px;
}

.login-panel {
  max-width: 460px;
  margin: 12vh auto 0;
}

.login-panel img {
  display: block;
  margin-bottom: 24px;
}

.login-panel h1,
.admin-panel h1 {
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.15;
  text-align: left;
}

.login-panel h1 {
  font-size: 34px;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.admin-tabs a,
.login-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 15px;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-weight: 800;
}

.admin-tabs a.active {
  background: #fff;
  color: #05070b;
}

.admin-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 24px;
}

.admin-help {
  margin: -8px 0 22px;
  color: var(--muted);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.admin-field span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-panel input,
.admin-panel textarea,
.admin-panel select {
  width: 100%;
  border: 1px solid rgba(154, 160, 215, 0.55);
  border-radius: 999px;
  background: rgba(17, 18, 35, 0.7);
  color: #fff;
  font: inherit;
  outline: none;
}

.admin-panel input,
.admin-panel select {
  min-height: 42px;
  padding: 0 18px;
}

.admin-panel textarea {
  min-height: 208px;
  border-radius: 4px;
  padding: 14px 18px;
  resize: vertical;
}

.admin-panel input:focus,
.admin-panel textarea:focus,
.admin-panel select:focus {
  border-color: rgba(93, 142, 209, 0.9);
  box-shadow: 0 0 0 4px rgba(93, 142, 209, 0.14);
}

.admin-button {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  padding: 0 40px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.admin-button:hover,
.admin-button:focus-visible,
.login-button:hover,
.login-button:focus-visible,
.admin-tabs a:hover,
.admin-tabs a:focus-visible {
  border-color: var(--line-strong);
  filter: brightness(1.08);
  outline: none;
}

@media (max-width: 640px) {
  body {
    background: #111126;
  }

  .page-shell {
    width: 100%;
    max-width: 24.375rem;
    min-height: 100svh;
    margin: 0 auto;
    grid-template-rows: 1fr auto;
    background:
      radial-gradient(circle at 50% 4%, rgba(70, 99, 185, 0.24), transparent 13rem),
      linear-gradient(180deg, #17182d 0%, #060712 58%, #111126 100%);
  }

  .links-panel {
    width: 100%;
    justify-content: flex-start;
    padding: 3.88rem 1rem 1.6rem;
  }

  .brand {
    margin-bottom: 2rem;
  }

  .brand-logo {
    width: 16.49rem;
  }

  h1 {
    margin-bottom: 1.45rem;
    font-size: 1.34rem;
    font-weight: 700;
  }

  .link-list {
    width: 15.24rem;
    gap: 0.96rem;
  }

  .link-card {
    min-height: 4.15rem;
    grid-template-columns: 2.68rem 1fr;
    gap: 0.98rem;
    padding: 0.7rem 1.45rem;
    border-radius: 0.38rem;
    font-size: 0.66rem;
  }

  .link-card small {
    font-size: 0.52rem;
  }

  .icon-wrap {
    width: 2.68rem;
    height: 2.68rem;
    border-radius: 0.42rem;
  }

  .footer-panel {
    width: 100%;
    min-height: 11.5rem;
    padding: 0 1rem 1.25rem;
    border-top: 0;
    background: #111126;
  }

  .watermark {
    width: min(19.75rem, calc(100vw - 3rem));
    max-width: none;
    height: auto;
    margin: 1.55rem auto 1.05rem;
    transform: none;
    opacity: 0.78;
  }

  .footer-links {
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    gap: 0.7rem 1.25rem;
    font-size: 0.46rem;
    text-align: center;
  }

  .footer-links a:last-child {
    grid-column: 1 / -1;
    justify-self: center;
  }

  .admin-wrap {
    width: min(100% - 24px, 1120px);
    padding-top: 24px;
  }

  .admin-top img,
  .login-panel img {
    width: 150px;
  }

  .admin-grid {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .admin-panel {
    border-radius: 14px;
    padding: 18px;
  }
}