/* ============================================
   SALVe V3 — Dark Liturgical Theme
   ============================================ */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2333;
  --bg-card-hover: #212a3d;
  --bg-input: #0d1117;

  --gold: #d4af37;
  --gold-light: #e8c84a;
  --gold-dark: #b8962e;
  --gold-glow: rgba(212, 175, 55, 0.15);

  --text-primary: #e6e6e6;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;

  --border: #2d3748;
  --border-light: #3d4a5f;

  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;
  --info: #58a6ff;

  --radius: 0px;
  --radius-sm: 0px;

  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', -apple-system, sans-serif;

  --transition: 0.2s ease;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
}

.liturgical-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(212, 175, 55, 0.02) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(212, 175, 55, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo h1 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gold);
  line-height: 1.2;
}

.subtitle {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 4px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin: 24px 0;
  transition: border-color var(--transition);
}

.card:hover {
  border-color: var(--border-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.card-body {
  padding: 20px;
}

.badge {
  font-size: 0.65rem;
  padding: 3px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.success-badge {
  color: var(--success);
  border-color: var(--success);
}

/* Upload Zone */
.upload-card .card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drop-zone {
  border: 2px dashed var(--border);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--gold);
  background: var(--gold-glow);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.upload-icon {
  opacity: 0.6;
}

.drop-zone.dragover .upload-icon {
  opacity: 1;
}

.drop-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.drop-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.drop-zone-preview {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
}

.drop-zone-preview img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.preview-info {
  flex: 1;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-info span:first-child {
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
}

.preview-info span:last-child {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-icon:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--gold);
  color: var(--bg-primary);
  border-color: var(--gold);
}

.btn-primary:hover:not(:disabled) {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-gold {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}

.btn-gold:hover {
  background: var(--gold-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.btn-loader {
  display: inline-flex;
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Results / Comparison */
.comparison-view {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: start;
}

.comparison-panel {
  border: 1px solid var(--border);
  overflow: hidden;
}

.panel-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-input);
}

.panel-label h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.panel-label span {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.panel-image {
  position: relative;
  background: var(--bg-primary);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-image img {
  max-width: 100%;
  max-height: 400px;
  display: block;
}

.panel-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 17, 23, 0.8);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.comparison-divider {
  display: flex;
  align-items: center;
  padding: 20px 0;
}

.result-stats {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border);
  background: var(--bg-input);
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gold);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-bar {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

/* Error */
.error-card {
  border-color: var(--error);
}

.error-message {
  font-size: 0.85rem;
  color: var(--error);
  margin-bottom: 16px;
  padding: 12px;
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid var(--error);
}

/* Footer */
.footer {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer .container {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ── V3 SALVe ─────────────────────────────────────────────── */

.v3-phase-indicator {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.v3-phase {
  font-size: 0.65rem;
  padding: 2px 6px;
  border: 1px solid rgba(156,124,87,0.3);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.v3-info strong {
  color: #9c7c57;
}

/* ============================================
   Pipeline Controls Panel
   ============================================ */

.pipeline-controls {
  margin: 1rem 0;
}

.pipeline-controls-header {
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #d4af37;
  letter-spacing: 0.12em;
  border-bottom: 1px solid rgba(212,175,55,0.2);
  margin-bottom: 0.5rem;
}

.pipeline-stage {
  border: 1px solid rgba(212,175,55,0.1);
  border-radius: 3px;
  margin-bottom: 0.4rem;
  overflow: hidden;
  background: rgba(20,20,30,0.3);
}

.pipeline-stage-header {
  padding: 0.45rem 0.7rem;
  background: rgba(20,20,30,0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #b8962e;
  user-select: none;
  transition: background 0.15s;
}

.pipeline-stage-header:hover {
  background: rgba(212,175,55,0.08);
  color: #d4af37;
}

.stage-hint {
  margin-left: auto;
  font-size: 0.6rem;
  color: #5c4a1e;
  font-style: italic;
  font-family: var(--font-mono);
}

.stage-caret {
  font-size: 0.6rem;
  width: 12px;
  text-align: center;
  color: #8b6914;
}

.pipeline-stage-body {
  padding: 0.5rem 0.7rem;
  display: none;
}

.pipeline-stage.open .pipeline-stage-body {
  display: block;
}

.slider-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.3rem 0;
  font-size: 0.78rem;
}

.slider-group label {
  width: 105px;
  color: #b8a88a;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  flex-shrink: 0;
}

.slider-group input[type="range"] {
  flex: 1;
  accent-color: #d4af37;
  height: 4px;
  cursor: pointer;
}

.slider-group select {
  flex: 1;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 0.2rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.slider-value {
  width: 55px;
  text-align: right;
  color: #9c7c57;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  flex-shrink: 0;
}

/* ============================================
   Larger Phase Thumbnails
   ============================================ */

.phase-thumb {
  width: 220px;
  height: 160px;
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.phase-thumb:hover {
  border-color: rgba(212,175,55,0.6);
  box-shadow: 0 0 8px rgba(212,175,55,0.1);
}

.phase-thumb-active {
  border-color: #d4af37 !important;
  box-shadow: 0 0 12px rgba(212,175,55,0.2);
}

.phase-thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3px 6px;
  background: rgba(0,0,0,0.75);
  font-size: 0.7rem;
  color: #d4af37;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ============================================
   Process Descriptions (How It Works)
   ============================================ */

.process-explain {
  margin-top: 1.25rem;
  border-top: 1px solid rgba(212,175,55,0.2);
  padding-top: 1rem;
}

.process-explain-header {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #b8962e;
  cursor: pointer;
  padding: 0.4rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  transition: color 0.15s;
}

.process-explain-header:hover {
  color: #d4af37;
}

.process-explain-body {
  display: none;
  margin-top: 0.6rem;
}

.process-explain.open .process-explain-body {
  display: block;
}

.process-step {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  padding: 0.45rem 0.6rem;
  border-left: 2px solid rgba(212,175,55,0.15);
  transition: border-color 0.2s;
}

.process-step:hover {
  border-left-color: rgba(212,175,55,0.4);
}

.process-step-num {
  color: #d4af37;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  flex-shrink: 0;
  width: 22px;
}

.process-step-title {
  color: #c4a44c;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin-bottom: 0.1rem;
  letter-spacing: 0.04em;
}

.process-step-desc {
  color: #8a7a5a;
  font-size: 0.7rem;
  line-height: 1.45;
}

/* ============================================
   Phase Zoom Controls
   ============================================ */

.phase-zoom-controls {
  position: absolute;
  bottom: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(0,0,0,0.8);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 3px;
  padding: 2px 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.phase-preview:hover .phase-zoom-controls,
.phase-preview:focus-within .phase-zoom-controls {
  opacity: 1;
}

.phase-zoom-btn {
  background: none;
  border: 1px solid rgba(212,175,55,0.2);
  color: #b8a88a;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 2px;
  transition: all 0.15s;
  line-height: 1;
}

.phase-zoom-btn:hover {
  background: rgba(212,175,55,0.15);
  color: #d4af37;
  border-color: rgba(212,175,55,0.4);
}

.phase-zoom-level {
  color: #9c7c57;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  min-width: 36px;
  text-align: center;
}

.phase-zoom-full {
  margin-left: 4px;
  border-left: 1px solid rgba(212,175,55,0.3);
  padding-left: 8px;
}

/* ============================================
   Lightbox Overlay
   ============================================ */

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.92);
  overflow: hidden;
}

.lightbox-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: grab;
}

.lightbox-content.grabbing {
  cursor: grabbing;
}

.lightbox-content img {
  display: block;
  transform-origin: center center;
  image-rendering: auto;
  max-width: none;
  max-height: none;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform 0.1s ease-out;
}

.lightbox-controls {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(20,20,30,0.95);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 6px;
  padding: 6px 12px;
}

.lightbox-btn {
  background: rgba(212,175,55,0.1);
  border: 1px solid rgba(212,175,55,0.25);
  color: #b8a88a;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 3px;
  transition: all 0.15s;
  line-height: 1;
}

.lightbox-btn:hover {
  background: rgba(212,175,55,0.2);
  color: #d4af37;
  border-color: rgba(212,175,55,0.5);
}

.lightbox-label {
  color: #9c7c57;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  min-width: 40px;
  text-align: center;
  padding: 0 6px;
}

.lightbox-close {
  margin-left: 8px;
  border-left: 1px solid rgba(212,175,55,0.3);
  padding-left: 12px;
  background: rgba(180,60,60,0.15);
  border-color: rgba(180,60,60,0.3);
}

.lightbox-close:hover {
  background: rgba(180,60,60,0.3);
  color: #e88;
  border-color: rgba(180,60,60,0.5);
}