/* ═══════════════════════════════════════
   MVT — Ma Vitrine Tranquille
   Identité : Coral #E07850 / #C45A3A
   ═══════════════════════════════════════ */

:root {
  --bg: #111118;
  --bg-card: #1a1a26;
  --bg-card-hover: #222234;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --text-sub: #888898;
  --text-dim: #555566;
  --accent: #E07850;
  --accent-dark: #C45A3A;
  --accent-light: #F0A888;
  --accent-glow: rgba(224, 120, 80, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
}

/* ═══ Steps ═══ */

.step {
  display: none;
  animation: fadeIn 0.3s ease;
}

.step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══ Header ═══ */

.step-header {
  margin-bottom: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.logo span {
  color: var(--accent);
}

.step-subtitle {
  font-size: 15px;
  color: var(--text-sub);
}

.back-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 15px;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 8px;
  font-family: inherit;
  transition: opacity var(--transition);
}

.back-btn:hover {
  opacity: 0.7;
}

/* ═══ Phone Grid ═══ */

.phone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.phone-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.phone-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 20px var(--accent-glow);
}

.phone-card-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

.phone-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.phone-card-res {
  font-size: 12px;
  color: var(--text-dim);
}

/* ═══ Angle Grid ═══ */

.angle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.angle-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
}

.angle-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 20px var(--accent-glow);
}

.angle-card-preview {
  width: 48px;
  height: 80px;
  background: var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.angle-card-info {
  flex: 1;
}

.angle-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.angle-card-desc {
  font-size: 12px;
  color: var(--text-dim);
}

/* ═══ Mockup Workspace ═══ */

.mockup-workspace {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.canvas-container {
  position: relative;
  background: repeating-conic-gradient(#1e1e2e 0% 25%, #16161e 0% 50%) 50% / 20px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

#mockup-canvas {
  display: block;
  max-width: 100%;
  max-height: 70vh;
}

/* ═══ Drop Zone ═══ */

.drop-zone {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.drop-zone.hidden {
  display: none;
}

.drop-zone:hover {
  background: var(--accent-glow);
}

.drop-zone.dragover {
  background: var(--accent-glow);
  border: 2px dashed var(--accent);
}

.drop-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.drop-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.drop-sub {
  font-size: 13px;
  color: var(--text-dim);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ═══ Actions ═══ */

.mockup-actions {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 500px;
}

.upload-btn {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-sub);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}

.upload-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.upload-btn input[type="file"] {
  display: none;
}

.export-btn {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.export-btn:hover:not(:disabled) {
  filter: brightness(1.1);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.export-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ═══ Responsive ═══ */

@media (max-width: 600px) {
  .app {
    padding: 14px;
  }

  .phone-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .phone-card {
    padding: 14px;
  }

  .angle-grid {
    grid-template-columns: 1fr;
  }

  .mockup-actions {
    flex-direction: column;
  }
}