/* ==============================================================================
   OSF-REPORTS :: Sovereign Reports Studio & Tri-Modal Embedding Design System
   Standard: PRT-0040 / PRT-0060 / PRT-A2UI-PRETEXT / Rule 25 / Rule 43 / Rule 68
   Authority: CEO Lead (PSN-0012) & TypeSafe Jev (JEV-0001) & Superpowers (PSN-0030)
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* HSL Tailored Dark Theme */
  --bg-primary: #0a0e17;
  --bg-surface: #111726;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(26, 38, 64, 0.95);
  --bg-glass: rgba(13, 19, 33, 0.85);
  --bg-drawer: #0d1322;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);
  --border-glow: rgba(56, 189, 248, 0.15);

  --accent-cyan: #00f0ff;
  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-violet: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --grade-aplus: #10b981;
  --grade-a: #38bdf8;
  --grade-b: #a855f7;
  --grade-c: #f59e0b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 0 25px -5px rgba(56, 189, 248, 0.25);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Override */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-glass: rgba(248, 250, 252, 0.9);
  --bg-drawer: #ffffff;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-active: rgba(14, 165, 233, 0.5);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--border-subtle);
}

/* Base resets for container */
.osf-reports-root {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Pre-text Header Layout (Fixed Height / Zero Layout Jitter) */
.reports-header-bar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.brand-logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

.brand-wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #f8fafc 30%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.25);
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Metric / Stat Tiles */
.reports-stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 20px 24px 8px;
}

.stat-tile {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-tile:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-subtext {
  font-size: 0.75rem;
  color: var(--grade-aplus);
  font-weight: 500;
}

/* Control Bar (Search, Filters, 3-Way Toggle) */
.reports-control-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 24px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 64px;
  z-index: 40;
}

.search-box-wrapper {
  flex: 1;
  min-width: 260px;
  max-width: 480px;
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 16px 8px 38px;
  font-size: 0.875rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.filters-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
}

.filter-select:hover, .filter-select:focus {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

/* 3-Way View Toggle Contract */
.view-toggle-group {
  display: flex;
  background: var(--bg-surface);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

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

.toggle-btn.active {
  background: var(--accent-blue);
  color: #04101e;
  font-weight: 600;
  box-shadow: 0 1px 6px rgba(56, 189, 248, 0.4);
}

/* Main Content Surface */
.reports-main-surface {
  flex: 1;
  padding: 24px;
  position: relative;
}

/* View Mode 1: Tile View (Default) */
.view-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.report-tile-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.report-tile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--grade-aplus));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.report-tile-card:hover::before {
  opacity: 1;
}

.tile-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tile-id-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.tile-grade-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 4px;
}

.grade-A-plus {
  background: rgba(16, 185, 129, 0.15);
  color: var(--grade-aplus);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.grade-A {
  background: rgba(56, 189, 248, 0.15);
  color: var(--grade-a);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.grade-B {
  background: rgba(168, 85, 247, 0.15);
  color: var(--grade-b);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* 2-Line Clamped Title (PRT-A2UI-PRETEXT) */
.tile-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.8em;
}

.tile-summary {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tile-bottom-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tile-project-tag {
  font-family: var(--font-mono);
  background: var(--bg-surface);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.rule43-indicator {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* View Mode 2: List View */
.view-list {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.list-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.list-table th {
  background: var(--bg-surface);
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

.list-table td {
  padding: 14px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.list-row {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.list-row:hover {
  background-color: var(--bg-card-hover);
}

/* View Mode 3: Hierarchy / Index DAG View */
.view-hierarchy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hierarchy-group {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hierarchy-header {
  padding: 14px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.hierarchy-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hierarchy-count-pill {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.hierarchy-items-list {
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hierarchy-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.hierarchy-item-row:hover {
  background: var(--bg-card-hover);
}

/* Side Reading Drawer (Full Report Viewer Modal) */
.report-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.report-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.report-drawer {
  width: 100%;
  max-width: 820px;
  background: var(--bg-drawer);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.6);
}

.report-drawer-overlay.open .report-drawer {
  transform: translateX(0);
}

.drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
}

.drawer-body {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
  line-height: 1.65;
  color: var(--text-primary);
}

.drawer-close-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drawer-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Markdown rendering in drawer */
.drawer-body h1, .drawer-body h2, .drawer-body h3 {
  color: #ffffff;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.drawer-body pre {
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.drawer-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.drawer-body th, .drawer-body td {
  padding: 10px 14px;
  border: 1px solid var(--border-subtle);
  text-align: left;
}

.drawer-body th {
  background: var(--bg-surface);
}

/* Compact Embed Mode Overrides */
[data-hide-header="true"] .reports-header-bar {
  display: none !important;
}

[data-hide-stats="true"] .reports-stats-strip {
  display: none !important;
}

[data-hide-filters="true"] .reports-control-bar {
  display: none !important;
}

[data-hide-drawer="true"] .report-drawer-overlay {
  display: none !important;
}