/* ============================================================
   Theme engine — four selectable themes, switched via
   [data-theme] on <html>. Every theme defines the same set of
   custom properties so components never need theme-specific CSS.
   ============================================================ */

:root,
[data-theme="neon"] {
  --bg: radial-gradient(circle at 20% 0%, #1b1035 0%, #0a0a14 55%, #060608 100%);
  --bg-solid: #0a0a14;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(160, 130, 255, 0.35);
  --card-hover-border: rgba(0, 255, 224, 0.7);
  --text: #f2f0ff;
  --text-dim: #a7a3c9;
  --accent: #b892ff;
  --accent-2: #35f0d0;
  --font: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 18px;
  --shadow: 0 0 0 rgba(0, 0, 0, 0);
  --glow: 0 0 24px rgba(184, 146, 255, 0.35);
  --input-bg: rgba(255, 255, 255, 0.06);
  --chip-bg: rgba(184, 146, 255, 0.15);
  --btn-grad: linear-gradient(135deg, #b892ff, #35f0d0);
  --btn-text: #0a0a14;
}

[data-theme="glass"] {
  --bg: linear-gradient(135deg, #ffdde1 0%, #a1c4fd 45%, #c2e9fb 100%);
  --bg-solid: #cfe6ff;
  --card-bg: rgba(255, 255, 255, 0.35);
  --card-border: rgba(255, 255, 255, 0.55);
  --card-hover-border: rgba(255, 255, 255, 0.9);
  --text: #1d2330;
  --text-dim: #4a5468;
  --accent: #6a5cff;
  --accent-2: #ff7ab8;
  --font: "Poppins", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 22px;
  --shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  --glow: 0 8px 32px rgba(106, 92, 255, 0.25);
  --input-bg: rgba(255, 255, 255, 0.5);
  --chip-bg: rgba(106, 92, 255, 0.15);
  --btn-grad: linear-gradient(135deg, #6a5cff, #ff7ab8);
  --btn-text: #ffffff;
}

[data-theme="minimal"] {
  --bg: #ffffff;
  --bg-solid: #ffffff;
  --card-bg: #ffffff;
  --card-border: #e6e6e6;
  --card-hover-border: #111111;
  --text: #111111;
  --text-dim: #666666;
  --accent: #0057ff;
  --accent-2: #0057ff;
  --font: "Inter", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, monospace;
  --radius: 10px;
  --shadow: none;
  --glow: none;
  --input-bg: #fafafa;
  --chip-bg: #eef2ff;
  --btn-grad: none;
  --btn-solid: #111111;
  --btn-text: #ffffff;
}

[data-theme="terminal"] {
  --bg: #000000;
  --bg-solid: #000000;
  --card-bg: #050705;
  --card-border: #1f4d1f;
  --card-hover-border: #33ff33;
  --text: #33ff33;
  --text-dim: #1f8f1f;
  --accent: #33ff33;
  --accent-2: #66ff99;
  --font: "JetBrains Mono", ui-monospace, monospace;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 4px;
  --shadow: none;
  --glow: 0 0 10px rgba(51, 255, 51, 0.5);
  --input-bg: #001400;
  --chip-bg: #0a2a0a;
  --btn-grad: none;
  --btn-solid: #062906;
  --btn-text: #33ff33;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  transition: background 0.4s ease, color 0.4s ease;
}

body { padding-bottom: 4rem; }

a { color: inherit; }

[data-theme="terminal"] * { letter-spacing: 0.02em; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1rem;
}

header.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

header.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 0.4rem;
  background: var(--btn-grad, none);
  -webkit-background-clip: var(--btn-grad, none) text;
  background-clip: var(--btn-grad, none) text;
}
[data-theme="neon"] header.hero h1,
[data-theme="glass"] header.hero h1 {
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 0 18px rgba(184, 146, 255, 0.35));
}
[data-theme="terminal"] header.hero h1::before { content: "> "; }
[data-theme="terminal"] header.hero h1::after {
  content: "_";
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

header.hero p { color: var(--text-dim); font-size: 1.05rem; margin: 0; }

.toolbar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.search {
  flex: 1;
  min-width: 220px;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
}
.search:focus { border-color: var(--accent); box-shadow: var(--glow); }

.tag-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.chip {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text);
  font-size: 0.8rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-mono);
}
.chip.active { border-color: var(--accent); color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text);
  transform: translateY(0);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  opacity: 0;
  animation: rise 0.5s ease forwards;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--card-hover-border);
  box-shadow: var(--glow), var(--shadow);
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.card .thumb {
  height: 140px;
  border-radius: calc(var(--radius) - 6px);
  background: var(--btn-grad, var(--chip-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--btn-text, var(--accent));
  overflow: hidden;
}
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }

.card h3 { margin: 0; font-size: 1.15rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; line-height: 1.4; flex: 1; }

.card .tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.card .tags span {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.card .visit {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.card:hover .visit { color: var(--accent-2); }

.empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-dim);
}

footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
footer a { color: var(--accent); text-decoration: none; }

/* ---------- Admin-specific ---------- */

.panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.6rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(14px);
}

.panel h2 { margin-top: 0; }

.field { margin-bottom: 1rem; }
.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
}
.field input, .field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: calc(var(--radius) - 8px);
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  outline: none;
}
.field textarea { resize: vertical; min-height: 70px; }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: var(--glow); }

.btn {
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--btn-grad, var(--btn-solid, var(--accent)));
  color: var(--btn-text);
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-2px); opacity: 0.95; }
.btn:active { transform: translateY(0); }
.btn.secondary {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
}
.btn.danger { background: #ff5470; color: #fff; }
.btn.small { padding: 0.45rem 0.9rem; font-size: 0.8rem; }

.row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--card-border);
}
.item-row:last-child { border-bottom: none; }
.item-row .meta { flex: 1; min-width: 0; }
.item-row .meta strong { display: block; }
.item-row .meta span { color: var(--text-dim); font-size: 0.82rem; word-break: break-all; }

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}
.theme-swatch {
  border-radius: calc(var(--radius) - 4px);
  padding: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.theme-swatch.selected { border-color: var(--accent); }
.theme-swatch .preview {
  height: 50px;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.login-wrap {
  max-width: 380px;
  margin: 6rem auto;
  text-align: center;
}
.login-wrap .panel { text-align: left; }

.msg { font-size: 0.85rem; margin-top: 0.5rem; }
.msg.error { color: #ff5470; }
.msg.ok { color: var(--accent-2); }

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.top-nav a { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-dim); text-decoration: none; }
.top-nav a:hover { color: var(--accent); }
