/* ===== VARIABLES ===== */
:root {
  --bg: #1e1e1e;
  --bg2: #262626;
  --bg3: #323234;
  --bg-elevated: #2c2c2e;
  --border: #3d3d40;
  --text: #f5f5f7;
  --text2: #98989d;
  --accent: #0a84ff;
  --accent2: #409cff;
  --success: #32d74b;
  --danger: #ff453a;
  --danger-dim: rgba(255,69,58,0.16);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 16px 48px rgba(0,0,0,0.45);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.3);
  --font: 'Fredoka', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', Menlo, Consolas, monospace;
  --tl-red: #ff5f57;
  --tl-yellow: #febc2e;
  --tl-green: #28c840;
}

[data-theme="light"] {
  --bg: #f5f5f7;
  --bg2: #ffffff;
  --bg3: #eeeef0;
  --bg-elevated: #ffffff;
  --border: #d8d8dc;
  --text: #1d1d1f;
  --text2: #6e6e73;
  --accent: #0071e3;
  --accent2: #0077ed;
  --shadow: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.08);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}
.icon { width: 16px; height: 16px; flex-shrink: 0; }

/* ===== NAVBAR (macOS titlebar) ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0 1.4rem;
  height: 56px;
  background: color-mix(in srgb, var(--bg2) 78%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.traffic-lights { display: flex; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot-red { background: var(--tl-red); }
.dot-yellow { background: var(--tl-yellow); }
.dot-green { background: var(--tl-green); }
.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  flex: 1;
}
.brand-icon { width: 19px; height: 19px; color: var(--accent); }
.brand-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-actions { display: flex; align-items: center; gap: 8px; }

/* ===== BUTTONS ===== */
.btn-icon {
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.btn-icon:hover { background: var(--bg3); color: var(--text); }
.btn-icon .icon { width: 18px; height: 18px; }
.btn-outline {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px 22px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--accent2); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.6; cursor: default; transform: none; }
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--font);
  transition: background 0.15s;
}
.btn-secondary:hover { background: var(--border); }
.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s;
}
.btn-danger:hover { opacity: 0.85; }
.btn-danger-outline {
  background: none;
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s;
}
.btn-danger-outline:hover { background: var(--danger-dim); }
.btn-back {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.92rem;
  font-family: var(--font);
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 1.2rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.15s;
}
.btn-back:hover { opacity: 0.7; }
.btn-copy {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.full-width { width: 100%; }

/* ===== PAGES ===== */
.page { display: none; max-width: 1040px; margin: 0 auto; padding: 2.2rem 1.5rem 4rem; }
.page.active { display: block; }
#pageDetail.page { max-width: 1180px; }

/* ===== HERO ===== */
.hero { text-align: center; padding: 3rem 0 2rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 600; line-height: 1.2; margin-bottom: 0.9rem; letter-spacing: -0.02em; }
.accent { color: var(--accent); }
.hero p { color: var(--text2); font-size: 1.08rem; }

/* ===== SEARCH (Spotlight-style) ===== */
.search-bar-wrap { position: relative; margin: 1.5rem 0 2.2rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--text2); pointer-events: none; }
.search-bar-wrap input {
  width: 100%;
  padding: 13px 18px 13px 44px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.98rem;
  font-family: var(--font);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-bar-wrap input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.search-bar-wrap input::placeholder { color: var(--text2); }

/* ===== SNIPPET GRID ===== */
.snippet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem;
}
.snippet-card {
  position: relative;
  background: var(--bg2);
  border: 1.5px solid var(--card-accent, var(--border));
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.snippet-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.card-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* Uploader byline: name + verified badge + spider badge */
.byline {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text2);
}
.byline-name { color: var(--text); }
.badge-verified { width: 14px; height: 14px; flex-shrink: 0; }
.badge-spider { width: 14px; height: 14px; flex-shrink: 0; color: #1d1d1f; }
[data-theme="light"] .badge-spider { color: #3a3a3c; }
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-preview {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text2);
  background: var(--bg3);
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  height: 60px;
  overflow: hidden;
  white-space: pre;
  text-overflow: ellipsis;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}
.badge-lang {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.meta-item {
  font-size: 0.78rem;
  color: var(--text2);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.meta-item .icon { width: 13px; height: 13px; }

/* ===== LOADING ===== */
.loading-spinner {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--text2);
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== EMPTY / ERROR STATE ===== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text2);
}
.empty-state .empty-icon {
  width: 44px; height: 44px;
  margin: 0 auto 1rem;
  color: var(--text2);
  opacity: 0.6;
}
.empty-state h3 { font-size: 1.15rem; margin-bottom: 0.4rem; color: var(--text); font-weight: 600; }

/* ===== DETAIL PAGE / CODE WINDOW ===== */
.detail-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.6rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.detail-header h2 { font-size: 1.35rem; font-weight: 600; margin: 0.35rem 0 0.55rem; letter-spacing: -0.01em; }
.detail-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.detail-actions { display: flex; align-items: center; gap: 8px; }
.code-window { background: var(--bg-elevated); }
.code-window-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.detail-card pre {
  margin: 0;
  overflow-x: auto;
  font-size: 0.92rem;
  line-height: 1.7;
  font-family: var(--mono);
}
.detail-card pre code {
  font-family: var(--mono) !important;
  background: transparent !important;
  padding: 1.8rem 2rem !important;
  display: block;
  min-width: max-content;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
  max-width: 420px;
  animation: fadeUp 0.22s ease;
  box-shadow: var(--shadow);
}
.modal-titlebar { display: flex; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--border); background: var(--bg-elevated); }
.modal h3, .modal .modal-sub, .modal .form-group, .modal .error-msg, .modal .modal-actions { padding-left: 2rem; padding-right: 2rem; }
.modal h3 { padding-top: 1.6rem; font-size: 1.15rem; font-weight: 600; margin-bottom: 0.3rem; }
.modal .modal-actions { padding-bottom: 1.8rem; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-sub { color: var(--text2); font-size: 0.87rem; margin-bottom: 1.3rem; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 1rem; }

/* ===== FORM ===== */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 0.94rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}
.form-group textarea { font-family: var(--mono); resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent); }
.form-group select option { background: var(--bg2); }
.error-msg { color: var(--danger); font-size: 0.85rem; min-height: 1.2em; margin-bottom: 0.5rem; }

/* ===== ADMIN PAGE ===== */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.admin-header h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
.admin-sub { color: var(--text2); font-size: 0.9rem; margin-top: 4px; }
.admin-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.admin-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 9px;
}
.admin-card h3 .icon { color: var(--accent); }
.admin-snippet-list { display: flex; flex-direction: column; gap: 10px; }
.admin-snippet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  gap: 1rem;
  flex-wrap: wrap;
}
.admin-item-info { flex: 1; min-width: 0; }
.admin-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-item-meta { font-size: 0.78rem; color: var(--text2); margin-top: 3px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font);
  z-index: 999;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  white-space: nowrap;
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .navbar { padding: 0 1rem; gap: 0.8rem; }
  .traffic-lights { display: none; }
  .page { padding: 1.2rem 1rem 3rem; }
  .hero { padding: 2rem 0 1.5rem; }
  .detail-header { flex-direction: column; }
  .admin-header { flex-direction: column; align-items: flex-start; }
  .btn-outline span, .btn-danger-outline span, .btn-copy span { display: none; }
}