/* ══════════════════════════════════════════════════════════
   Theme: Cosmos
   ══════════════════════════════════════════════════════════

   A deep-space dark theme with starfield background, glassmorphic card,
   tabbed link categories, and a polished dark UI.

   ══════════════════════════════════════════════════════════ */

:root {
  color-scheme: dark;

  --bg: #0b0e17;
  --ink: #e8e8ef;
  --accent: #7c5bf5;
  --accent-hover: #9b7dff;
  --card: rgba(18, 22, 42, 0.82);
  --card-hover: rgba(26, 31, 56, 0.92);
  --border: rgba(124, 91, 245, 0.12);
  --shadow: rgba(0, 0, 0, 0.5);
  --link-hover: rgba(124, 91, 245, 0.08);
  --muted: #6b6e82;

  /* cosmos-specific */
  --cosmos-card-bg: rgba(20, 24, 46, 0.75);
  --cosmos-link-bg: rgba(22, 27, 52, 0.7);
  --cosmos-tab-active-bg: rgba(232, 163, 58, 0.12);
  --cosmos-tab-active-color: #e8a33a;
  --cosmos-star-glow: rgba(160, 180, 255, 0.6);
  --cosmos-rp-bg: rgba(22, 27, 52, 0.55);
}

/* ── Starfield background ──────────────────────────────── */

body {
  background: linear-gradient(180deg, #0b0e17 0%, #131831 45%, #0d1020 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  opacity: 0;
  animation: cosmosFadeIn 800ms ease-out 0.15s forwards;
}

@keyframes cosmosFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Star layer 1 — tiny (1px) ─────────────────────────── */

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background:
    radial-gradient(1px 1px at  5%  8%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 12% 22%, #dde4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 20% 46%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 28% 68%, #c8d4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 35% 15%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 42% 88%, #e8ecff 50%, transparent 100%),
    radial-gradient(1px 1px at 50% 35%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 58% 72%, #dde4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 65% 52%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 72% 10%, #c8d4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 80% 92%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 88% 38%, #e8ecff 50%, transparent 100%),
    radial-gradient(1px 1px at 95% 60%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 18% 55%, #dde4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 45% 95%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 68% 82%, #c8d4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 85% 25%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at  3% 42%, #e8ecff 50%, transparent 100%),
    radial-gradient(1px 1px at 53% 77%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 74% 48%, #dde4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 39% 64%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at  9% 89%, #c8d4ff 50%, transparent 100%),
    radial-gradient(1px 1px at 92% 17%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 24% 33%, #e8ecff 50%, transparent 100%),
    radial-gradient(1px 1px at 61%  5%, #fff 50%, transparent 100%);
  opacity: 0.8;
  animation: cosmosTwinkle1 6s ease-in-out infinite alternate;
}

/* ── Star layer 2 — larger (2px) ───────────────────────── */

body::after {
  background:
    radial-gradient(2px 2px at 10% 15%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(2.5px 2.5px at 25% 50%, #fff 40%, transparent 100%),
    radial-gradient(2px 2px at 40% 80%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(2.5px 2.5px at 55% 25%, #fff 40%, transparent 100%),
    radial-gradient(2px 2px at 70% 65%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(2.5px 2.5px at 85% 40%, #fff 40%, transparent 100%),
    radial-gradient(2px 2px at 15% 90%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(2.5px 2.5px at 48% 55%, #fff 40%, transparent 100%),
    radial-gradient(2px 2px at 77% 19%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(1.5px 1.5px at 33%  7%, #fff 40%, transparent 100%),
    radial-gradient(2px 2px at 59% 93%, var(--cosmos-star-glow) 40%, transparent 100%),
    radial-gradient(1.5px 1.5px at 91% 73%, #fff 40%, transparent 100%);
  opacity: 0.6;
  animation: cosmosTwinkle2 8s ease-in-out infinite alternate;
}

@keyframes cosmosTwinkle1 {
  0%   { opacity: 0.55; }
  50%  { opacity: 0.85; }
  100% { opacity: 0.65; }
}

@keyframes cosmosTwinkle2 {
  0%   { opacity: 0.45; }
  50%  { opacity: 0.7; }
  100% { opacity: 0.5; }
}

/* ── Card — glassmorphic dark panel ────────────────────── */

.card {
  position: relative;
  z-index: 1;
  max-width: 580px;
  background: var(--cosmos-card-bg);
  border: 1px solid rgba(124, 91, 245, 0.1);
  border-radius: 24px;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 40px 36px;
  animation: cosmosCardIn 700ms cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

@keyframes cosmosCardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Avatar ────────────────────────────────────────────── */

.avatar-wrapper {
  position: relative;
  width: 120px;
  margin: 0 auto 1rem;
}

.profile-avatar {
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px rgba(124, 91, 245, 0.25);
}

.qr-avatar-btn {
  border-color: var(--cosmos-card-bg);
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(124, 91, 245, 0.4);
}

.qr-avatar-btn:hover {
  box-shadow: 0 4px 18px rgba(124, 91, 245, 0.5);
}

/* ── Name ──────────────────────────────────────────────── */

h1 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

/* ── Subtitle / bio ────────────────────────────────────── */

.subtitle {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* ── Fedi handle ───────────────────────────────────────── */

.fedi-handle-hero {
  color: var(--muted);
  font-size: 0.85rem;
}

.fedi-handle-hero [data-fedi-address] {
  color: var(--accent);
}

.copy-fedi-btn {
  color: var(--accent);
}

/* ── Category headings (visible in non-tabbed mode) ───── */

h2 {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

h2::before,
h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ════════════════════════════════════════════════════════
   Tabbed Categories
   ════════════════════════════════════════════════════════ */

.category-tabs {
  display: flex !important;
  justify-content: center;
  gap: 6px;
  margin: 0 0 20px;
  padding: 4px;
  background: rgba(15, 18, 35, 0.5);
  border-radius: 16px;
  border: 1px solid rgba(124, 91, 245, 0.08);
}

.category-tab {
  padding: 8px 20px;
  border-radius: 12px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 220ms ease;
  white-space: nowrap;
  font-family: inherit;
}

.category-tab:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.category-tab.active {
  background: var(--cosmos-tab-active-bg);
  color: var(--cosmos-tab-active-color);
  font-weight: 600;
}

/* Hide non-active tab panels */
.category[data-tab-panel] {
  display: none;
}

.category[data-tab-panel].active {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Hide the h2 heading inside tab panels (tab bar is the label) */
.category[data-tab-panel] h2 {
  display: none;
}

/* ── Link cards ────────────────────────────────────────── */

.link-card {
  background: var(--cosmos-link-bg);
  border: 1px solid rgba(124, 91, 245, 0.08);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: none;
  transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.link-card:hover {
  background: var(--card-hover);
  border-color: rgba(124, 91, 245, 0.22);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 91, 245, 0.12);
}

/* Subtle left accent on hover */
.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: bottom;
  border-radius: 0 2px 2px 0;
}

.link-card:hover::before {
  transform: scaleY(1);
}

/* Right-side dash indicator */
.link-card::after {
  content: '—';
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.85rem;
  opacity: 0.4;
  transition: opacity 200ms;
}

.link-card:hover::after {
  opacity: 0.7;
}

/* Icon styling */
.link-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(124, 91, 245, 0.15);
  padding: 6px;
  filter: invert(1) brightness(1.1);
}

.link-content strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.link-content p {
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── Boost badge ───────────────────────────────────────── */

.boost-badge {
  background: none;
  color: var(--accent);
  opacity: 0.4;
  padding: 0;
  box-shadow: none;
}

.boost-badge:hover {
  opacity: 0.7;
}

/* ── Verified badge ────────────────────────────────────── */

.verified-badge {
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════
   Badges
   ══════════════════════════════════════════════════════════ */

.badges-section {
  border-top-color: rgba(124, 91, 245, 0.1);
}

.badges-heading {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.badge-card {
  background: var(--cosmos-link-bg);
  border-color: rgba(124, 91, 245, 0.08);
  border-radius: 14px;
}

.badge-card:hover {
  box-shadow: 0 6px 20px rgba(124, 91, 245, 0.12);
}

.badge-title {
  color: var(--ink);
}

.badge-date {
  color: var(--muted);
}

/* ══════════════════════════════════════════════════════════
   Recent Posts — timeline style
   ══════════════════════════════════════════════════════════ */

.recent-posts-section {
  border-top-color: rgba(124, 91, 245, 0.1);
}

.recent-posts-heading {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.rp-card {
  background: var(--cosmos-rp-bg);
  border: 1px solid rgba(124, 91, 245, 0.06);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-direction: row;
  transition: all 220ms ease;
}

.rp-card:hover {
  background: rgba(26, 31, 56, 0.7);
  border-color: rgba(124, 91, 245, 0.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.rp-header {
  flex-shrink: 0;
  margin-bottom: 0;
  min-width: 70px;
}

.rp-date {
  font-size: 0.72rem;
  color: var(--muted);
  background: rgba(124, 91, 245, 0.08);
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  font-weight: 500;
}

.rp-content {
  font-size: 0.85rem;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  -webkit-line-clamp: 2;
}

.rp-content a {
  color: var(--accent);
}

.rp-cw summary {
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════
   Info Section / Footer
   ══════════════════════════════════════════════════════════ */

.info-section {
  border-top-color: rgba(124, 91, 245, 0.08);
}

.info-section p,
.info-section a {
  color: var(--muted);
  font-size: 0.82rem;
}

.info-section a:hover {
  color: var(--accent);
}

.fedi-handle {
  color: var(--muted);
}

.fedi-note {
  color: var(--muted);
  opacity: 0.7;
  font-size: 0.78rem;
}

/* ── Share / QR buttons ────────────────────────────────── */

.share-btn {
  background: var(--cosmos-link-bg);
  border: 1px solid rgba(124, 91, 245, 0.15);
  color: var(--ink);
  border-radius: 12px;
  font-size: 0.82rem;
  backdrop-filter: blur(12px);
}

.share-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 91, 245, 0.3);
}

/* ── QR Modal ──────────────────────────────────────────── */

.qr-modal {
  background: rgba(20, 24, 46, 0.95);
  border: 1px solid rgba(124, 91, 245, 0.15);
  backdrop-filter: blur(24px);
}

.qr-title {
  color: var(--ink);
}

.qr-close {
  color: var(--muted);
}

.qr-url {
  color: var(--muted);
}

.qr-download-btn {
  border-color: var(--accent);
  color: var(--accent);
}

.qr-download-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ══════════════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
  .card {
    padding: 28px 20px;
    border-radius: 18px;
  }

  h1 {
    font-size: 1.6rem;
  }

  .category-tabs {
    gap: 4px;
    padding: 3px;
  }

  .category-tab {
    padding: 6px 14px;
    font-size: 0.82rem;
  }

  .rp-card {
    flex-direction: column;
    gap: 6px;
  }

  .rp-header {
    min-width: auto;
  }

  .link-card::after {
    display: none;
  }
}

/* ── Reduced motion ────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
    opacity: 1;
  }

  body::before,
  body::after {
    animation: none;
    opacity: 0.6;
  }

  .card {
    animation: none;
  }

  .link-card,
  .rp-card,
  .badge-card {
    transition: none;
  }
}