:root {
  color-scheme: dark;
  --bg: #0b1120;
  --panel: rgba(15, 23, 42, 0.82);
  --panel-solid: #111a2d;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-hover: rgba(255, 255, 255, 0.095);
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(125, 211, 252, 0.38);
  --text: #f8fafc;
  --muted: #a8b3c7;
  --accent: #7dd3fc;
  --accent-2: #86efac;
  --radius-lg: 28px;
  --radius-md: 16px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

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

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(14, 165, 233, 0.17), transparent 27rem),
    radial-gradient(circle at 88% 82%, rgba(34, 197, 94, 0.11), transparent 25rem),
    linear-gradient(145deg, #080d19 0%, #101a31 55%, #0a1325 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 90%);
  pointer-events: none;
}

a,
button {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.72);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.profile-shell {
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(16px, 4vw, 44px);
  place-items: center;
}

.profile-card {
  width: min(100%, 700px);
  padding: clamp(20px, 4vw, 34px);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(125%);
}

.profile-header {
  display: grid;
  align-items: center;
  gap: clamp(20px, 4vw, 30px);
  grid-template-columns: auto 1fr;
}

.avatar-wrap {
  position: relative;
  width: 120px;
  height: 120px;
  padding: 3px;
  background: linear-gradient(145deg, var(--accent), rgba(134, 239, 172, 0.72));
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(14, 165, 233, 0.18);
}

.avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 4px solid #101a2c;
  border-radius: 50%;
}

.wordmark {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.identity h1 {
  margin: 0;
  font-size: clamp(1.85rem, 5vw, 2.65rem);
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.role {
  margin: 0.65rem 0 0.14rem;
  font-size: 1rem;
  font-weight: 700;
}

.affiliation {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.affiliation span {
  padding-inline: 0.25rem;
  color: var(--accent);
}

.focus-list {
  display: flex;
  margin: 1rem 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.42rem;
  list-style: none;
}

.focus-list li {
  display: inline-flex;
  min-height: 28px;
  padding: 0.35rem 0.62rem;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.045);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 620;
}

.focus-list i {
  width: 0.8rem;
  color: var(--accent);
  text-align: center;
}

.section-nav {
  display: grid;
  margin: clamp(24px, 5vw, 32px) 0 18px;
  padding: 5px;
  gap: 5px;
  background: rgba(3, 7, 18, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 15px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.section-tab {
  display: inline-flex;
  min-width: 0;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.48rem;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.section-tab i {
  width: 1rem;
  text-align: center;
}

.section-tab:hover {
  color: var(--text);
}

.section-tab.is-active {
  background: rgba(125, 211, 252, 0.12);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(125, 211, 252, 0.16);
}

.section-link {
  color: #dbeafe;
}

.section-link:hover {
  background: rgba(134, 239, 172, 0.1);
  color: #dcfce7;
}

.tab-panel {
  animation: panel-in 180ms ease both;
}

.tab-panel[hidden] {
  display: none;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.link-grid,
.tool-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.link-card,
.tool-card,
.private-link {
  position: relative;
  color: var(--text);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.link-card {
  display: grid;
  min-height: 68px;
  padding: 10px 14px 10px 10px;
  align-items: center;
  gap: 11px;
  background: var(--surface);
  border-radius: 14px;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  font-size: 0.88rem;
  font-weight: 680;
}

.icon-box {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  background: rgba(125, 211, 252, 0.1);
  color: var(--accent);
  border-radius: 11px;
  font-size: 1.05rem;
}

.link-card:hover,
.tool-card:hover,
.private-link:hover {
  background: var(--surface-hover);
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.card-status {
  width: 16px;
  color: var(--muted);
  font-size: 0.64rem;
  text-align: center;
}

.tool-card {
  display: grid;
  min-height: 104px;
  padding: 16px 14px;
  align-content: center;
  justify-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.038);
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.3;
  text-align: center;
}

.tool-card > i:first-child {
  color: var(--accent);
  font-size: 1.22rem;
}

.tool-card .card-status {
  position: absolute;
  top: 11px;
  right: 10px;
}

.private-shell {
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(16px, 4vw, 44px);
  place-items: center;
}

.private-card {
  width: min(100%, 560px);
  padding: clamp(20px, 5vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(125%);
}

.private-topbar {
  display: flex;
  margin-bottom: 2rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.home-link,
.logout-link {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
}

.home-link:hover,
.logout-link:hover {
  color: var(--text);
}

.private-card h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 2.8rem);
  letter-spacing: -0.05em;
}

.private-intro {
  margin: 0.55rem 0 1.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.private-list {
  display: grid;
  gap: 10px;
}

.private-link {
  display: grid;
  min-height: 74px;
  padding: 11px 14px 11px 11px;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: 14px;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  font-size: 0.92rem;
  font-weight: 680;
}

.private-link .icon-box {
  width: 42px;
  height: 42px;
}

.private-link > i:last-child {
  color: var(--muted);
  font-size: 0.74rem;
}

.private-footer {
  display: flex;
  margin-top: 1.5rem;
  padding-top: 1rem;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
}

@media (max-width: 560px) {
  .profile-shell,
  .private-shell {
    align-items: start;
    padding: 12px;
  }

  .profile-card,
  .private-card {
    margin-block: 8px;
    border-radius: 22px;
  }

  .profile-header {
    justify-items: center;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .avatar-wrap {
    width: 104px;
    height: 104px;
  }

  .focus-list {
    justify-content: center;
  }

  .section-tab {
    padding-inline: 0.4rem;
    font-size: 0.78rem;
  }

  .link-card {
    min-height: 64px;
    padding-right: 10px;
    gap: 8px;
    grid-template-columns: 36px minmax(0, 1fr) auto;
    font-size: 0.8rem;
  }

  .icon-box {
    width: 36px;
    height: 36px;
  }

  .tool-card {
    min-height: 96px;
    padding-inline: 10px;
    font-size: 0.73rem;
  }
}

@media (max-width: 360px) {
  .section-tab i {
    display: none;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}