:root {
  --bg: #050810;
  --bg-2: #0c1220;
  --fg: #e8eef9;
  --muted: #8a96b0;
  --accent: #00d4ff;
  --accent-2: #7c5cff;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --glow: 0 0 30px rgba(0, 212, 255, 0.15);
  color-scheme: dark;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: radial-gradient(ellipse at top, var(--bg-2), var(--bg));
  color: var(--fg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(124, 92, 255, 0.18), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.15), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

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

/* Public + login */
.public .hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.logo {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 200;
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px rgba(0, 212, 255, 0.25);
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.15); }
}

/* Search bar */
.search {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 999px;
  padding: 0.45rem;
  width: 100%;
  max-width: 620px;
  box-shadow: var(--glow);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.35);
}
.search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font-size: 1.05rem;
  padding: 0.65rem 1.1rem;
  font-family: inherit;
  min-width: 0;
}
.search input::placeholder { color: var(--muted); }
.search button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s;
}
.search button:hover { transform: scale(1.05); }
.search button:active { transform: scale(0.96); }

.search.compact {
  max-width: 520px;
  padding: 0.3rem;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}
.search.compact input { font-size: 0.95rem; padding: 0.4rem 0.9rem; }
.search.compact button { width: 2rem; height: 2rem; font-size: 0.95rem; }

/* Login */
.login-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  position: fixed;
  top: 1.5rem;
  right: 1.75rem;
  z-index: 5;
  transition: color 0.2s;
}
.login-link:hover { color: var(--accent); }

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  width: 100%;
  max-width: 320px;
}
.login-form input {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.7rem;
  padding: 0.85rem 1rem;
  color: var(--fg);
  font-size: 1rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}
.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}
.login-form button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  padding: 0.85rem 1rem;
  border-radius: 0.7rem;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: 0.05em;
  transition: transform 0.15s, box-shadow 0.2s;
}
.login-form button:hover {
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}
.login-form button:active { transform: scale(0.98); }
.login-form .error {
  color: #ff6e8a;
  font-size: 0.85rem;
  text-align: center;
  margin-top: 0.25rem;
}

/* App layout */
.app .topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem 0.75rem;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(5, 8, 16, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.topbar .logout {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}
.topbar .logout button {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--muted);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: color 0.2s, border-color 0.2s;
}
.topbar .logout button:hover { color: var(--fg); border-color: rgba(255, 255, 255, 0.18); }

.tabs {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  position: relative;
  z-index: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
  justify-content: center;
  flex-wrap: wrap;
}
.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 2px; }

.tab {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.2s;
}
.tab em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}
.tab:hover { color: var(--fg); border-color: rgba(255, 255, 255, 0.18); }
.tab.active {
  color: white;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.18), rgba(124, 92, 255, 0.18));
  border-color: rgba(0, 212, 255, 0.55);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.18);
}
.tab.active em {
  background: rgba(0, 212, 255, 0.2);
  color: var(--fg);
}

.content {
  padding: 0.5rem 1.5rem 4rem;
  max-width: 1600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}

.section { margin-top: 1.5rem; }
.section-header {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.7rem;
  padding-left: 0.25rem;
  border-left: 2px solid var(--accent);
  padding-left: 0.75rem;
}

.card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.85rem;
  text-decoration: none;
  color: var(--fg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 10px 32px rgba(0, 212, 255, 0.15);
}
.card:hover::before { opacity: 1; }

.favicon {
  width: 32px;
  height: 32px;
  border-radius: 0.4rem;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.04);
  object-fit: contain;
  padding: 2px;
  position: relative;
  z-index: 1;
}
.meta {
  min-width: 0;
  flex: 1;
  position: relative;
  z-index: 1;
}
.title {
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.desc {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.18rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 4rem 1rem;
  font-size: 0.95rem;
}

/* Mobile */
@media (max-width: 600px) {
  .app .topbar { padding: 0.7rem 0.75rem; }
  .topbar .logout { right: 0.75rem; }
  .search.compact { max-width: calc(100% - 3rem); }
  .tabs { padding: 0.75rem; gap: 0.4rem; justify-content: flex-start; }
  .content { padding: 0.25rem 0.85rem 2rem; }
  .grid { grid-template-columns: 1fr; gap: 0.6rem; }
  .login-link { top: 1rem; right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}