/* MT Generator — Design System v2 (session 53)
 *
 * SOTA 2026: warm neutrals, layered shadows, DM Sans + Inter,
 * navy primary (#1E3A5F), micro-interactions, progressive disclosure.
 * Audit: KB_05, UX-001→UX-018, SOTA research agent.
 *
 * Constraints: WCAG AA contrast, 44px touch targets, responsive,
 * vanilla CSS (no preprocessor), single file.
 */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Brand */
  --color-primary: #1E3A5F;
  --color-primary-hover: #15304F;
  --color-primary-light: #E8EEF4;
  --color-primary-muted: #5A7FA0;

  /* Accent */
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-light: #EFF6FF;

  /* Backgrounds */
  --color-bg: #FAFAF8;
  --color-bg-secondary: #F5F3F0;
  --color-bg-card: #FFFFFF;

  /* Text */
  --color-text: #1A1A1A;
  --color-text-secondary: #5A5A5A;
  --color-text-tertiary: #8B8B8B;
  --color-text-inverse: #FFFFFF;

  /* Borders */
  --color-border: #E5E2DF;
  --color-border-hover: #D0CDC9;

  /* Semantic */
  --color-success: #059669;
  --color-success-light: #ECFDF5;
  --color-warning: #D97706;
  --color-warning-light: #FFFBEB;
  --color-error: #DC2626;
  --color-error-light: #FEF2F2;

  /* Typography */
  --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows (layered, Josh Comeau pattern) */
  --shadow-sm: 0 1px 2px rgba(30,58,95,0.06), 0 1px 3px rgba(30,58,95,0.1);
  --shadow-md: 0 2px 4px rgba(30,58,95,0.06), 0 4px 8px rgba(30,58,95,0.08), 0 8px 16px rgba(30,58,95,0.06);
  --shadow-lg: 0 4px 8px rgba(30,58,95,0.04), 0 8px 16px rgba(30,58,95,0.06), 0 16px 32px rgba(30,58,95,0.08);
  --shadow-focus: 0 0 0 3px rgba(37,99,235,0.25);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 350ms ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ---------- Header + Navigation ---------- */
header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

nav { display: flex; gap: var(--space-1); }

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-bg-secondary);
}

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.card h2 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 1px 2px rgba(30,58,95,0.15);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: 0 2px 4px rgba(30,58,95,0.2);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-secondary);
  border-color: var(--color-border-hover);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-text-inverse);
}

.btn-danger:hover:not(:disabled) {
  background: #B91C1C;
  transform: translateY(-1px);
}

.btn-small {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  min-height: 32px;
}

.btn-large {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus);
}

/* Button with spinner */
.btn-loading { position: relative; color: transparent !important; }
.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: var(--space-4); }

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

input[type="text"], input[type="password"], input[type="email"],
textarea, select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--color-bg-card);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.checkbox-group label { margin-bottom: 0; }

/* ---------- Drop Zone ---------- */
.drop-area {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-6);
  text-align: center;
  cursor: pointer;
  background: var(--color-bg-secondary);
  transition: all var(--transition-normal);
  margin-bottom: var(--space-4);
}

.drop-icon {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-4);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast), transform var(--transition-normal);
}

.drop-label {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.drop-sublabel {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.drop-area:hover,
.drop-area.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

.drop-area:hover .drop-icon,
.drop-area.dragover .drop-icon {
  color: var(--color-accent);
  transform: translateY(-4px);
}

/* ---------- Upload Card Layout (3-zone flow: drop → files → action) ---------- */

.upload-file-list {
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.upload-file-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.upload-file-list .file-item:last-child {
  margin-bottom: 0;
}

.upload-file-list .btn-small {
  margin-top: var(--space-3);
}

.upload-action-bar {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-6);
}

/* ---------- Activity Journal (SOTA Labor Illusion) ---------- */

.activity-journal {
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.activity-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

.activity-icon {
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  font-size: var(--text-base);
  line-height: 1.4;
}

.activity-step-done .activity-icon {
  color: var(--color-success);
}

.activity-step-running .activity-icon {
  color: var(--color-accent);
  animation: pulse 1.5s ease-in-out infinite;
}

.activity-step-pending .activity-icon {
  color: var(--color-text-tertiary);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.activity-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.activity-label {
  font-weight: 500;
  color: var(--color-text);
}

.activity-step-pending .activity-label {
  color: var(--color-text-tertiary);
}

.activity-detail {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.activity-elapsed {
  flex-shrink: 0;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* ---------- File List ---------- */
.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  background: var(--color-bg-card);
}

.file-check {
  color: var(--color-success);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.file-name {
  flex: 1;
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
  min-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.file-type-select {
  width: auto;
  min-width: 80px;
  min-height: 36px;
  font-size: var(--text-sm);
}

.btn-remove {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-remove:hover {
  color: var(--color-error);
  background: var(--color-error-light);
}

/* ---------- Progress Bar ---------- */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-4) 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #60A5FA, var(--color-accent));
  background-size: 200% 100%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.progress-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ---------- Spinner ---------- */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ---------- Info Box ---------- */
.info-box {
  background: var(--color-accent-light);
  border-color: #BFDBFE;
  color: #1E40AF;
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-rc {
  background: #DBEAFE;
  color: #1E40AF;
}

.badge-bonus {
  background: var(--color-success-light);
  color: #166534;
}

.badge-cctp {
  background: #FEF3C7;
  color: #92400E;
}

.badge-review {
  background: #DBEAFE;
  color: #1E40AF;
}

/* ---------- Info Trigger (inline ? button) ---------- */
.info-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  margin-left: var(--space-1);
  vertical-align: middle;
  border: 1px solid #BFDBFE;
  transition: all var(--transition-fast);
}

.info-trigger:hover,
.info-trigger:focus {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.drop-hint {
  font-size: var(--text-xs);
  color: #1E40AF;
  background: var(--color-accent-light);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-2);
  line-height: 1.5;
  text-align: left;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Project List ---------- */
.project-badges {
  display: flex;
  gap: var(--space-1);
  flex-shrink: 0;
}

.project-time {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---------- Error / Success ---------- */
.error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.success {
  color: var(--color-success);
  font-size: var(--text-sm);
}

/* ---------- Hidden ---------- */
.hidden { display: none !important; }

/* ---------- Stepper (UX-001) ---------- */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--space-3) 0;
  margin: 0 calc(-1 * var(--space-4));
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  margin-bottom: var(--space-6);
  position: sticky;
  top: 52px; /* just below the sticky header */
  z-index: 99;
  background: rgba(250,250,248,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  font-weight: 500;
  white-space: nowrap;
}

.step-number {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.step.active .step-number {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.step.done .step-number {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text-inverse);
}

.step.active .step-label { color: var(--color-text); }
.step.done .step-label { color: var(--color-success); }

.step-connector {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin: 0 var(--space-2);
  min-width: 20px;
  max-width: 60px;
}

.step-connector.done { background: var(--color-success); }

/* Checkmark SVG in done steps */
.step.done .step-number svg { display: block; }

/* Clickable completed steps */
.step-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
}
.step-link:hover .step-label { text-decoration: underline; }

/* ---------- Project Header ---------- */
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.project-header h2 { margin: 0; }

/* ---------- Metadata Grid ---------- */
.metadata-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.meta-item {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.meta-item strong { color: var(--color-text); }

/* ---------- Criteria List ---------- */
.criteria-list {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.criteria-item {
  background: var(--color-accent-light);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-size: var(--text-xs);
  color: #1E40AF;
  font-weight: 500;
}

/* ---------- Section Cards (Dashboard) ---------- */
.section-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.section-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.section-name {
  flex: 1;
  font-weight: 500;
  font-size: var(--text-sm);
  min-width: 200px;
}

.section-weight {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-weight: 600;
}

.section-source {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.section-actions-inline { display: flex; gap: 4px; }

/* Icon buttons */
.btn-icon {
  width: 36px; height: 36px;
  min-width: 36px; min-height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  cursor: pointer;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-icon:hover { background: var(--color-bg-secondary); }

.btn-icon-danger { color: var(--color-error); border-color: #FECACA; }
.btn-icon-danger:hover { background: var(--color-error-light); }

/* Section instruction */
.section-instr-toggle {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
}

.section-instruction {
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  resize: vertical;
  font-family: var(--font-body);
}

/* Save indicator */
.save-indicator {
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: 400;
  margin-left: var(--space-2);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: slide-up 0.4s cubic-bezier(0.16,1,0.3,1);
}

@keyframes slide-up {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.toast .btn-primary { padding: var(--space-1) var(--space-4); font-size: var(--text-xs); }
.toast .btn-remove { color: #9CA3AF; }

/* ---------- Review Banner (Dashboard) ---------- */
.review-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  background: var(--color-success-light, #ECFDF5);
  border: 1px solid var(--color-success, #10B981);
  border-radius: var(--radius-md);
}

.review-banner span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* ---------- Review Page ---------- */
.section-review-card {
  margin-bottom: var(--space-3);
  transition: box-shadow 0.3s ease;
}

/* Flash green confirmation after inline regeneration (7.5.4d) */
.section-flash-success {
  box-shadow: 0 0 0 2px var(--color-success), var(--shadow-md) !important;
}

.section-review-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.section-review-header h3 {
  flex: 1;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  min-width: 200px;
}

.section-wordcount {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* Instruction badge visible on collapsed header (7.5.3e) */
.section-instr-badge {
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
  padding: 1px var(--space-2);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.section-text {
  white-space: pre-wrap;
  font-size: var(--text-sm);
  line-height: 1.7;
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin: var(--space-3) 0;
  max-height: 400px;
  overflow-y: auto;
}

/* Section actions zone (7.5.3, 7.5.4) */
.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* Reset margin-top from dashboard context — here buttons are side by side */
.section-actions .section-instr-toggle {
  margin-top: 0;
}

.section-actions .section-instruction {
  flex-basis: 100%;
}

/* Inline error banner (7.5.4e) */
.section-error {
  flex-basis: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-error-light);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-sm);
  color: var(--color-error);
  font-size: var(--text-sm);
}

/* Review actions row (7.5.2, 7.5.5) */
.review-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* Global instruction zone (7.5.2) */
#global-instr-zone {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.global-instr-header label {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* Mini-journal for inline regeneration (7.5.4c) */
.mini-journal {
  flex-basis: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-top: var(--space-2);
}

.mini-journal-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 2px 0;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  transition: color 0.3s ease;
}

.mini-journal-step.running {
  color: var(--color-accent);
  font-weight: 500;
}

.mini-journal-step.running .activity-icon {
  animation: pulse 1.5s infinite;
}

.mini-journal-step.done {
  color: var(--color-success);
}

/* Coherence issues */
.coherence-item {
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-border);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.coherence-item.severity-elevee { border-left-color: var(--color-error); background: var(--color-error-light); }
.coherence-item.severity-moyenne { border-left-color: var(--color-warning); background: var(--color-warning-light); }
.coherence-item.severity-faible { border-left-color: var(--color-text-tertiary); background: var(--color-bg-secondary); }

/* ---------- Project List ---------- */
.project-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.project-row:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.project-link {
  flex: 1;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-link:hover { text-decoration: underline; }

.project-row .btn-icon-danger {
  width: auto;
  height: auto;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

/* ---------- Empty State (UX-002) ---------- */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--color-bg-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.empty-state-icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--color-text-tertiary);
  opacity: 0.5;
}

.empty-state-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 400px;
  margin: 0 auto var(--space-6);
  line-height: 1.65;
}

/* Empty state hero (7.10a) */
.empty-hero {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.empty-hero h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.empty-hero p {
  color: var(--color-text-secondary);
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Inline add section (7.10c) */
.inline-add-section {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-3);
}

/* ---------- Settings Tabs ---------- */

.settings-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border);
}

.settings-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.settings-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- Profile Settings (7.8.1) ---------- */

.profile-input {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.profile-input:focus {
  border-color: var(--color-accent);
  outline: none;
}

.profile-textarea {
  resize: vertical;
  min-height: 60px;
}

.profile-field-group {
  margin-bottom: var(--space-3);
}

.profile-field-inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.profile-field-inline .profile-label {
  min-width: 120px;
  flex-shrink: 0;
}

.profile-field-inline .profile-input {
  flex: 1;
}

.profile-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* String list (add/remove items) */
.profile-list-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.profile-list-row .profile-input { flex: 1; }

/* Object list items (references, certifications) */
.profile-obj-list { margin-top: var(--space-2); }

.profile-obj-item {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  background: var(--color-bg-secondary);
}

.profile-obj-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.profile-obj-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* Team config blocks */
.profile-team-config {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  background: var(--color-bg-secondary);
}

.profile-team-config h4 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- Review inline images (7.9) ---------- */

.review-image-wrapper {
  text-align: center;
  margin: var(--space-3) 0;
}

.review-inline-image {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.review-image-fallback {
  padding: var(--space-3);
  background: var(--color-warning-light);
  border: 1px dashed var(--color-warning);
  border-radius: var(--radius-sm);
  color: var(--color-warning);
  font-size: var(--text-sm);
  text-align: center;
}

/* ---------- Image Gallery (7.8.3) ---------- */

/* Search/filter bar for image gallery (S13) */
.image-filter-bar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.image-cat-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: var(--space-4) 0 var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.image-thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
}

.image-thumb-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-card);
  transition: box-shadow var(--transition-fast);
}

.image-thumb-card:hover { box-shadow: var(--shadow-md); }

.image-thumb {
  width: 100%;
  height: 140px;
  object-fit: contain;
  background: var(--color-bg-secondary);
  display: block;
  cursor: pointer;
}

.image-thumb-info {
  padding: var(--space-2);
}

.image-thumb-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--text-xs);
  color: var(--color-text);
}

.image-thumb-section {
  display: block;
  font-size: 10px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.image-thumb-card .btn { margin: var(--space-1) var(--space-2) var(--space-2); }

/* ---------- Modal (UX-007) ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fade-in 0.2s ease;
}

.modal-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .metadata-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .project-header { flex-direction: column; align-items: flex-start; }
  .toast { left: var(--space-4); right: var(--space-4); bottom: var(--space-4); }
  .stepper { flex-wrap: wrap; }
  .step-connector { min-width: 12px; }
  .drop-area { padding: var(--space-6) var(--space-4); }
  .profile-field-inline { flex-direction: column; align-items: flex-start; }
  .profile-field-inline .profile-label { min-width: unset; margin-bottom: var(--space-1); }
}