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

/* ─── THEMES ─────────────────────────────────────────── */

html[data-theme="glass"] {
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-hover-border: rgba(255, 255, 255, 0.3);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --card-hover-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  --card-radius: 16px;
  --text: #f0f0f0;
  --text-muted: rgba(255, 255, 255, 0.45);
  --btn-bg: rgba(255, 255, 255, 0.08);
  --btn-border: rgba(255, 255, 255, 0.15);
  --btn-hover-border: rgba(255, 255, 255, 0.35);
  --btn-radius: 999px;
  --font: system-ui, -apple-system, sans-serif;
}

html[data-theme="dark"] {
  --card-bg: #141414;
  --card-border: #252525;
  --card-hover-border: #7c3aed;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --card-hover-shadow: 0 8px 30px rgba(124, 58, 237, 0.2);
  --card-radius: 12px;
  --text: #e8e8e8;
  --text-muted: #555;
  --btn-bg: #1a1a1a;
  --btn-border: #333;
  --btn-hover-border: #7c3aed;
  --btn-radius: 8px;
  --font: system-ui, -apple-system, sans-serif;
}

html[data-theme="retro"] {
  --card-bg: #050505;
  --card-border: #00ff41;
  --card-hover-border: #00ffff;
  --card-shadow: 0 0 8px rgba(0, 255, 65, 0.15);
  --card-hover-shadow: 0 0 20px rgba(0, 255, 255, 0.25);
  --card-radius: 0px;
  --text: #00ff41;
  --text-muted: #005517;
  --btn-bg: transparent;
  --btn-border: #00ff41;
  --btn-hover-border: #00ffff;
  --btn-radius: 0px;
  --font: 'Courier New', Courier, monospace;
}

/* ─── BODY & BACKGROUND ──────────────────────────────── */

body {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  transition: color 0.3s ease;
  position: relative;
}

/* Glass: animated gradient background */
html[data-theme="glass"] body {
  background: #0d0a1e;
}

html[data-theme="glass"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 15%, rgba(124, 58, 237, 0.45) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 80%, rgba(6, 182, 212, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 10%, rgba(236, 72, 153, 0.3) 0%, transparent 40%),
    radial-gradient(ellipse at 20% 85%, rgba(16, 185, 129, 0.25) 0%, transparent 40%);
  z-index: -1;
  animation: bgPulse 8s ease infinite alternate;
}

@keyframes bgPulse {
  0%   { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(25deg) brightness(1.1); }
}

/* Dark: plain dark */
html[data-theme="dark"] body {
  background: #0a0a0a;
}

/* Retro: scanlines overlay */
html[data-theme="retro"] body {
  background: #000;
}

html[data-theme="retro"] body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 65, 0.015) 2px,
    rgba(0, 255, 65, 0.015) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ─── HEADER ─────────────────────────────────────────── */

header {
  padding: 2.5rem 2rem;
  position: relative;
  z-index: 1;
}

html[data-theme="glass"] header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

html[data-theme="dark"] header {
  border-bottom: 1px solid #1a1a1a;
}

html[data-theme="retro"] header {
  border-bottom: 2px solid #00ff41;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

html[data-theme="retro"] header h1::before { content: '> '; }
html[data-theme="retro"] header h1::after {
  content: '_';
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

header p {
  margin-top: 0.3rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ─── CONTROLS ───────────────────────────────────────── */

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#layout-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--btn-radius);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

#layout-toggle:hover {
  border-color: var(--btn-hover-border);
}

/* ─── THEME TOGGLE ───────────────────────────────────── */

#theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--btn-radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
  white-space: nowrap;
}

#theme-toggle:hover {
  border-color: var(--btn-hover-border);
}

/* ─── GRID ───────────────────────────────────────────── */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ─── CARD ───────────────────────────────────────────── */

.card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--card-shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme="glass"] .card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

html[data-theme="retro"] .card::before {
  content: '[ PROJECT ]';
  display: block;
  padding: 0.3rem 0.75rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
  letter-spacing: 0.1em;
}

/* retro ::before doesn't play well in row mode */
html[data-layout="row"][data-theme="retro"] .card::before {
  display: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow);
}

html[data-theme="retro"] .card:hover,
html[data-layout="row"] .card:hover {
  transform: none;
}

/* ─── MEDIA (image ou placeholder) ───────────────────── */

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  flex-shrink: 0;
}

/* Layout: band — hauteur réduite, même structure verticale */
html[data-layout="band"] .card img {
  height: 90px;
}

/* Layout: row — carré sur la gauche */
html[data-layout="row"] .card {
  flex-direction: row;
  align-items: stretch;
}

html[data-layout="row"] .card img {
  width: 90px;
  height: auto;
  min-height: 80px;
}

/* ─── PLACEHOLDER ────────────────────────────────────── */

.card-placeholder {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    hsl(var(--hue, 250), 55%, 22%) 0%,
    hsl(calc(var(--hue, 250) + 70), 60%, 16%) 50%,
    hsl(calc(var(--hue, 250) + 140), 50%, 20%) 100%
  );
  background-size: 300% 300%;
  animation: gradientShift 5s ease infinite alternate;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

html[data-theme="retro"] .card-placeholder {
  background: #000;
  border-bottom: 1px solid var(--card-border);
  animation: none;
}

/* band: hauteur réduite */
html[data-layout="band"] .card-placeholder {
  height: 90px;
}

/* row: carré à gauche */
html[data-layout="row"] .card-placeholder {
  width: 90px;
  height: auto;
  min-height: 80px;
  border-bottom: none;
}

html[data-layout="row"][data-theme="retro"] .card-placeholder {
  border-right: 1px solid var(--card-border);
}

.placeholder-initial {
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.18);
  text-transform: uppercase;
  user-select: none;
  letter-spacing: -0.02em;
}

html[data-layout="band"] .placeholder-initial {
  font-size: 2.5rem;
}

html[data-layout="row"] .placeholder-initial {
  font-size: 2rem;
}

html[data-theme="retro"] .placeholder-initial {
  font-size: 1rem;
  color: var(--text-muted);
}

html[data-theme="retro"] .placeholder-initial::before { content: '[ '; }
html[data-theme="retro"] .placeholder-initial::after  { content: ' ]'; }

/* ─── CARD BODY ──────────────────────────────────────── */

.card-body {
  padding: 1.25rem;
  flex: 1;
}

html[data-layout="row"] .card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-body h2 {
  font-size: 1rem;
  font-weight: 600;
}

html[data-theme="retro"] .card-body h2::before {
  content: '# ';
  color: var(--text-muted);
}

.card-body p {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── STATES ─────────────────────────────────────────── */

.loading, .error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--text-muted);
}

html[data-theme="retro"] .loading::before { content: '> '; }

.error { color: #ef4444; }
html[data-theme="retro"] .error { color: #ff0033; }