/* ================================================================
   Transcend Media — Design Hub
   ================================================================ */

:root {
  --bg:      #09090b;
  --dark:    #111116;
  --card:    #18181c;
  --surface: rgba(255, 255, 255, 0.04);
  --text:    #f9f9fa;
  --muted:   #a1a1a8;
  --faint:   #5c5c66;
  --border:  rgba(255, 255, 255, 0.08);
  --accent:  #b050e8;
  --accent-light: #cf90f8;
  --accent-pale: #edd4ff;
  --accent-glow: rgba(176, 80, 232, 0.30);
  --accent-soft: rgba(176, 80, 232, 0.12);
  --accent-dim: rgba(176, 80, 232, 0.07);
  --accent-border: rgba(176, 80, 232, 0.22);
  --accent-alt: #e0609a;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 4px 24px -8px rgba(0,0,0,0.6), 0 1px 4px rgba(0,0,0,0.4);
  --glass-bg: rgba(17, 17, 22, 0.55);
  --glass-border: rgba(255, 255, 255, 0.06);
  --container: 1200px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

/* ── Top Bar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.topbar-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  box-shadow: 0 0 20px var(--accent-glow);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-nav a,
.topbar-nav button {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: none;
  transition: color var(--transition), background var(--transition);
}

.topbar-nav a:hover,
.topbar-nav button:hover {
  color: var(--text);
  background: var(--surface);
}

.topbar-nav a.active {
  color: var(--text);
  background: var(--accent-soft);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.breadcrumb a:hover { color: var(--text); }

.breadcrumb-sep {
  color: var(--faint);
  font-size: 0.75rem;
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* ── Page Header ── */
.page-header {
  padding: 48px 0 32px;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.page-subtitle {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 600px;
}

/* ── Project Grid (Dashboard) ── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  padding-bottom: 80px;
}

.project-card {
  position: relative;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-border);
  box-shadow: 0 20px 60px -12px rgba(0,0,0,0.5), 0 0 40px -20px var(--accent-glow);
}

.project-card-preview {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.project-card-preview iframe {
  width: 200%;
  height: 200%;
  transform: scale(0.5);
  transform-origin: top left;
  border: none;
  pointer-events: none;
}

.project-card-body {
  padding: 20px;
}

.project-card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.project-card-status.in-progress {
  background: var(--accent-soft);
  color: var(--accent-light);
}

.project-card-status.completed {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
}

.project-card-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.project-card-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-card-tagline {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.project-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--faint);
}

.project-card-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ── New Project Card ── */
.project-card-new {
  border: 2px dashed var(--border);
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 300px;
  transition: border-color var(--transition), background var(--transition);
}

.project-card-new:hover {
  border-color: var(--accent-border);
  background: var(--accent-dim);
  transform: none;
  box-shadow: none;
}

.project-card-new-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: var(--muted);
}

.project-card-new-label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ── Project Detail ── */
.project-detail { padding-bottom: 80px; }

.project-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.project-hero-info h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
}

.project-hero-info p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1.05rem;
}

.project-hero-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.btn:hover { transform: translateY(-1px); opacity: 0.92; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #fff;
  box-shadow: 0 8px 24px -6px var(--accent-glow);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

/* ── Tab Navigation ── */
.tabs {
  display: flex;
  gap: 4px;
  margin: 32px 0 28px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab {
  padding: 12px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.tab:hover { color: var(--text); }

.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ── Render Gallery ── */
.renders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.render-card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.render-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 12px 40px -8px rgba(0,0,0,0.4);
}

.render-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px -8px var(--accent-glow);
}

.render-preview {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.render-preview iframe {
  width: 200%;
  height: 200%;
  transform: scale(0.5);
  transform-origin: top left;
  border: none;
  pointer-events: none;
}

.render-preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 40%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}

.render-preview:hover .render-preview-overlay { opacity: 1; }

.render-expand-btn {
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
}

.render-body {
  padding: 18px;
}

.render-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.render-vibe {
  display: inline-flex;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--accent-dim);
  color: var(--accent-light);
  border: 1px solid var(--accent-border);
}

.render-desc {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.render-palette {
  display: flex;
  gap: 6px;
  margin-top: 14px;
}

.render-swatch {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.render-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.render-actions button {
  flex: 1;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
}

.render-actions button:hover {
  background: var(--accent-dim);
  border-color: var(--accent-border);
}

.render-actions button.btn-select {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent-light);
}

/* ── Design Flow Timeline ── */
.flow-timeline {
  position: relative;
  padding: 8px 0 8px 32px;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.flow-step {
  position: relative;
  padding: 20px 24px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius-sm);
}

.flow-step::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--dark);
}

.flow-step.completed::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.flow-step.active::before {
  background: var(--accent-alt);
  border-color: var(--accent-alt);
  box-shadow: 0 0 12px rgba(224, 96, 154, 0.3);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 12px rgba(224, 96, 154, 0.3); }
  50% { box-shadow: 0 0 20px rgba(224, 96, 154, 0.6); }
}

.flow-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.flow-step-title {
  font-weight: 700;
  font-size: 1rem;
}

.flow-step-badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.flow-step-badge.completed {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
}

.flow-step-badge.active {
  background: rgba(224, 96, 154, 0.12);
  color: #e0609a;
}

.flow-step-badge.pending {
  background: var(--surface);
  color: var(--faint);
}

.flow-step-desc {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.flow-step-date {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--faint);
}

/* ── Brief Panel ── */
.brief-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.brief-card {
  padding: 24px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius-sm);
}

.brief-card-full { grid-column: 1 / -1; }

.brief-card h3 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin-bottom: 14px;
}

.brief-card p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.brief-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brief-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.brief-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.brief-list.weaknesses li::before {
  background: var(--accent-alt);
}

.brief-palette-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.brief-palette-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--muted);
}

.brief-palette-chip-swatch {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Fullscreen Render View ── */
.render-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: none;
  flex-direction: column;
}

.render-fullscreen.open { display: flex; }

.render-fullscreen-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1;
}

.render-fullscreen-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.render-fullscreen-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.render-fullscreen-vibe {
  color: var(--muted);
  font-size: 0.82rem;
}

.render-fullscreen-actions {
  display: flex;
  gap: 8px;
}

.render-fullscreen-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  transition: background var(--transition);
}

.render-fullscreen-close:hover {
  background: rgba(255,255,255,0.1);
}

.render-fullscreen iframe {
  flex: 1;
  width: 100%;
  border: none;
}

/* ── Share Mode ── */
.share-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--accent-light);
  font-size: 0.78rem;
  font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { width: min(100% - 32px, var(--container)); }
  .project-grid { grid-template-columns: 1fr; }
  .renders-grid { grid-template-columns: 1fr; }
  .brief-grid { grid-template-columns: 1fr; }
  .project-hero { flex-direction: column; }
  .topbar-nav { display: none; }
  .page-header { padding: 32px 0 20px; }
  .tabs { margin: 20px 0 20px; }
}