/* ==========================================================================
   AUREO LAB — Design System & Stylesheet (v1.0)
   Brand Identity: Negro Aureo (#121210), Oro (#9D7A3E), Crema (#F0E8D5), Blanco (#FFFFFF)
   Typography: Georgia, Playfair Display & Inter
   ========================================================================== */

:root {
  /* Brand Color Tokens */
  --color-negro: #121210;
  --color-negro-soft: #1E1E1A;
  --color-oro: #9D7A3E;
  --color-oro-light: #B8904D;
  --color-oro-pale: #F3EBDD;
  --color-oro-glow: rgba(157, 122, 62, 0.15);
  --color-crema: #F0E8D5;
  --color-crema-light: #F9F7F2;
  --color-blanco: #FFFFFF;
  --color-border: #E5DEC9;
  --color-border-subtle: #EDE7D8;
  --color-text-primary: #121210;
  --color-text-secondary: #57534E;
  --color-text-muted: #8C857B;

  /* Evidence Levels */
  --ev-a: #15803D; /* Level A: Direct evidence (Green) */
  --ev-a-bg: #DCFCE7;
  --ev-b: #0284C7; /* Level B: Reasonable evidence (Blue) */
  --ev-b-bg: #E0F2FE;
  --ev-c: #D97706; /* Level C: Reasoned argument (Amber) */
  --ev-c-bg: #FEF3C7;
  --ev-d: #B45309; /* Level D: Expert opinion (Bronze) */
  --ev-d-bg: #FEEBC8;

  /* Typography */
  --font-serif: "Georgia", "Playfair Display", 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --max-width: 1400px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(18, 18, 16, 0.05);
  --shadow-md: 0 4px 12px rgba(18, 18, 16, 0.08);
  --shadow-lg: 0 12px 32px rgba(18, 18, 16, 0.12);
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--color-crema-light);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   1. CINEMATIC CLAUDE INTRO (10–15s Viewport Video Experience)
   ========================================================================== */

.intro-section {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #0A0A08;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-hero-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 45%, #181714 0%, #090907 100%);
  overflow: hidden;
}

.intro-ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  height: min(76vh, 720px);
  width: calc(min(76vh, 720px) * 9 / 16);
  aspect-ratio: 9 / 16;
  transform: translate(-50%, -50%) scale(1.18);
  background: radial-gradient(circle at center, rgba(157, 122, 62, 0.52) 0%, rgba(217, 56, 30, 0.24) 40%, transparent 75%);
  filter: blur(55px);
  pointer-events: none;
  z-index: 1;
}

.intro-video-container {
  position: relative;
  height: min(72vh, 680px);
  width: calc(min(72vh, 680px) * 9 / 16);
  aspect-ratio: 9 / 16;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.16);
  background: #000000;
  z-index: 2;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.intro-video-element,
.intro-kinetic-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #FAF7F2;
}

.intro-center-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.intro-center-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.intro-play-badge {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(18, 18, 16, 0.82);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(157, 122, 62, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  transform: scale(1);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-play-badge:hover {
  transform: scale(1.1);
  border-color: var(--color-oro);
}

.intro-play-icon {
  font-size: 28px;
  margin-left: 4px;
  color: #FAF8F5;
}

.intro-end-card {
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 10, 0.94);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  animation: fadeInEndCard 0.35s ease forwards;
}

@keyframes fadeInEndCard {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.end-card-inner {
  text-align: center;
  max-width: 620px;
  padding: 32px;
}

.end-card-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--color-oro);
  margin-bottom: 12px;
}

.end-card-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
  margin-bottom: 12px;
}

.end-card-sub {
  font-size: 14px;
  color: #A1A1AA;
  line-height: 1.5;
  margin-bottom: 28px;
}

.end-card-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.end-card-btn {
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.end-card-btn.primary {
  background: var(--color-oro);
  color: #FFFFFF;
  border: 1px solid var(--color-oro);
  box-shadow: 0 8px 24px rgba(157, 122, 62, 0.4);
}

.end-card-btn.primary:hover {
  background: #FFFFFF;
  color: #121210;
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.end-card-btn.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #E4E4E7;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.end-card-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* Controls Overlay */
.intro-controls-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 36px;
  pointer-events: none;
  z-index: 10;
}

.intro-controls-overlay > * {
  pointer-events: auto;
}

.intro-top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.intro-brand-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(18, 18, 16, 0.84);
  backdrop-filter: blur(14px);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.intro-brand-tag .brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-oro);
  box-shadow: 0 0 10px var(--color-oro);
}

.intro-brand-tag .brand-sub {
  color: #A1A1AA;
  font-weight: 400;
}

.intro-top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.intro-pill-btn {
  background: rgba(18, 18, 16, 0.84);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.intro-pill-btn:hover {
  background: #FFFFFF;
  color: #121210;
  border-color: #FFFFFF;
  transform: translateY(-1px);
}

.intro-pill-btn.sound-btn.active {
  border-color: var(--color-oro);
  color: #F0E8D5;
}

.intro-pill-btn.enter-btn {
  background: var(--color-oro);
  color: #FFFFFF;
  border-color: var(--color-oro);
}

.intro-pill-btn.enter-btn:hover {
  background: #FFFFFF;
  color: #121210;
  border-color: #FFFFFF;
}

/* Bottom Controls */
.intro-bottom-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 90vw;
  max-width: 680px;
  margin: 0 auto;
  background: rgba(18, 18, 16, 0.88);
  backdrop-filter: blur(16px);
  padding: 12px 22px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
}

.intro-scrub-track {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  cursor: pointer;
  transition: height 0.15s ease;
}

.intro-scrub-track:hover {
  height: 10px;
}

.intro-scrub-buffer {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background: rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  pointer-events: none;
}

.intro-scrub-progress {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #D9381E, #9D7A3E, #EAB308);
  border-radius: 4px;
  pointer-events: none;
}

.intro-scrub-handle {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.15s ease;
  pointer-events: none;
}

.intro-scrub-track:hover .intro-scrub-handle {
  transform: translate(-50%, -50%) scale(1);
}

.intro-scrub-time-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  background: #121210;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  white-space: nowrap;
}

.intro-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.intro-left-controls,
.intro-right-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.intro-btn-action {
  background: transparent;
  border: none;
  color: #E4E4E7;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.intro-btn-action:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.intro-btn-action.icon-only {
  font-size: 15px;
  padding: 6px 8px;
}

.intro-timecode {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #A1A1AA;
}

.speed-selector {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #E4E4E7;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.speed-selector:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
}

.intro-btn-primary {
  background: var(--color-oro);
  color: #FFFFFF;
  border: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(157, 122, 62, 0.35);
}

.intro-btn-primary:hover {
  background: #FFFFFF;
  color: #121210;
  transform: translateY(-1px);
}

/* ==========================================================================
   2. AUREO KNOWLEDGE PORTAL (/admin)
   ========================================================================== */

.portal-header {
  position: sticky;
  top: 0;
  background: rgba(240, 232, 213, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding: 14px 32px;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo-img {
  height: 38px;
  width: auto;
}

.brand-portal-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--color-negro);
  border-left: 1px solid var(--color-border);
  padding-left: 14px;
}

.header-center {
  flex: 1;
  max-width: 540px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-box input {
  width: 100%;
  padding: 10px 80px 10px 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-blanco);
  font-size: 14px;
  color: var(--color-negro);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 3px rgba(18, 18, 16, 0.04);
}

.search-box input:focus {
  border-color: var(--color-oro);
  box-shadow: 0 0 0 3px var(--color-oro-glow);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 15px;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 4px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.search-clear-btn:hover {
  color: var(--color-negro);
}

.search-kbd-hint {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  background: var(--color-crema-light);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-vault {
  background: #FAF7F2;
  color: var(--color-negro);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 2px rgba(18, 18, 16, 0.04);
}
.status-vault .status-dot {
  background: var(--color-oro);
}

.status-connected {
  background: var(--ev-a-bg);
  color: var(--ev-a);
  border: 1px solid #BBF7D0;
}
.status-connected .status-dot { background: var(--ev-a); }

.status-warning {
  background: var(--ev-c-bg);
  color: var(--ev-c);
  border: 1px solid #FDE68A;
}
.status-warning .status-dot { background: var(--ev-c); }

.status-fallback {
  background: #E2E8F0;
  color: #334155;
  border: 1px solid #CBD5E1;
}
.status-fallback .status-dot { background: #64748B; }

.header-btn {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-blanco);
  border: 1px solid var(--color-border);
  color: var(--color-negro);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.header-btn:hover {
  background: var(--color-negro);
  color: var(--color-blanco);
  border-color: var(--color-negro);
}

/* ==========================================================================
   2.5. PORTAL HERO SPOTLIGHT
   ========================================================================== */

.portal-hero-strip {
  background: linear-gradient(180deg, #F5EFE3 0%, #FAF7F2 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 22px 32px;
}

.portal-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.portal-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-oro);
}

.portal-hero-badge .hero-spark-icon {
  font-size: 13px;
}

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

.portal-hero-text {
  max-width: 720px;
}

.portal-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 27px);
  font-weight: 700;
  color: var(--color-negro);
  margin-bottom: 6px;
  line-height: 1.25;
}

.portal-hero-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.portal-hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.portal-hero-play-btn {
  background: var(--color-negro);
  color: #FFFFFF;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  border: 1px solid var(--color-negro);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(18, 18, 16, 0.25);
  transition: all var(--transition-fast);
}

.portal-hero-play-btn:hover {
  background: var(--color-oro);
  border-color: var(--color-oro);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(157, 122, 62, 0.35);
}

.portal-hero-play-btn .play-icon {
  font-size: 11px;
}

.portal-hero-source-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.portal-hero-source-link:hover {
  color: var(--color-oro);
}

/* ==========================================================================
   3. STATS STRIP & METRICS
   ========================================================================== */

.metrics-strip {
  background: #FAF7F2;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 32px;
}

.metrics-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  padding-right: 16px;
  border-right: 1px solid var(--color-border-subtle);
}

.metric-item:last-child {
  border-right: none;
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--color-oro);
  line-height: 1;
}

.metric-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-negro);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 6px;
}

.metric-desc {
  font-size: 11.5px;
  color: var(--color-text-muted);
  margin-top: 3px;
  line-height: 1.35;
}

/* ==========================================================================
   4. NAVIGATION TABS
   ========================================================================== */

.tabs-nav-bar {
  background: var(--color-crema);
  border-bottom: 1px solid var(--color-border);
  padding: 0 32px;
}

.tabs-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tabs-inner::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  padding: 14px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.nav-tab.active {
  color: var(--color-negro);
  border-bottom-color: var(--color-oro);
  font-weight: 700;
}

.tab-icon {
  font-size: 14px;
}

.tab-count-badge {
  background: rgba(18, 18, 16, 0.08);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  color: var(--color-negro);
}

.nav-tab.active .tab-count-badge {
  background: var(--color-oro-pale);
  color: #7A5722;
}

/* ==========================================================================
   5. PORTAL MAIN CONTAINER & FILTERS (Cognitive Architecture)
   ========================================================================== */

.portal-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px;
}

.filters-wrapper {
  background: var(--color-blanco);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--color-text-muted);
  min-width: 105px;
  flex-shrink: 0;
}

.filter-chips-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-crema-light);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-chip:hover {
  background: var(--color-crema);
  color: var(--color-negro);
}

.filter-chip.active {
  background: var(--color-negro);
  color: var(--color-blanco);
  border-color: var(--color-negro);
}

.filter-row-secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-wrap: wrap;
}

.filter-subgroup {
  display: flex;
  align-items: center;
  gap: 10px;
}

.domain-select-wrapper {
  position: relative;
}

.domain-dropdown {
  background: var(--color-crema-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 7px 18px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-negro);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.domain-dropdown:focus {
  border-color: var(--color-oro);
  box-shadow: 0 0 0 3px var(--color-oro-glow);
}

.ev-chip-a.active { background: #15803D; border-color: #15803D; }
.ev-chip-b.active { background: #0284C7; border-color: #0284C7; }
.ev-chip-c.active { background: #D97706; border-color: #D97706; }
.ev-chip-d.active { background: #B45309; border-color: #B45309; }

.filter-quick-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-chip {
  background: var(--color-crema-light);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.quick-chip:hover {
  background: var(--color-crema);
  color: var(--color-negro);
  border-color: var(--color-border);
}

.quick-chip.active {
  background: var(--color-oro);
  color: #FFFFFF;
  border-color: var(--color-oro);
}

.quick-chip-count {
  font-size: 10px;
  opacity: 0.85;
  background: rgba(0, 0, 0, 0.08);
  padding: 1px 6px;
  border-radius: 8px;
}

.quick-chip.active .quick-chip-count {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.clear-filters-btn {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  margin-left: auto;
  transition: all var(--transition-fast);
}

.clear-filters-btn:hover {
  background: #DC2626;
  color: #FFFFFF;
  border-color: #DC2626;
}

.filter-results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.filter-tip {
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   6. KNOWLEDGE CARDS GRID
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 22px;
}

.knowledge-card {
  background: var(--color-blanco);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
}

.knowledge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-oro);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.card-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.badge-cat-conceptos {
  background: var(--color-oro-pale);
  color: #7A5722;
}

.badge-cat-modelos_mentales {
  background: #E0E7FF;
  color: #3730A3;
}

.badge-cat-aplicaciones {
  background: #D1FAE5;
  color: #065F46;
}

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

.badge-cat-fuentes {
  background: #F1F5F9;
  color: #475569;
}

.evidence-pill {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.ev-a { background: var(--ev-a-bg); color: var(--ev-a); }
.ev-b { background: var(--ev-b-bg); color: var(--ev-b); }
.ev-c { background: var(--ev-c-bg); color: var(--ev-c); }
.ev-d { background: var(--ev-d-bg); color: var(--ev-d); }

.card-title {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.35;
  color: var(--color-negro);
  margin-bottom: 12px;
}

.card-excerpt {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 14px;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.domain-tag {
  font-size: 11px;
  background: var(--color-crema-light);
  color: var(--color-text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.card-meta-links {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-oro);
  display: flex;
  align-items: center;
  gap: 4px;
}

.empty-state-card {
  grid-column: 1 / -1;
  background: var(--color-blanco);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 60px 20px;
  text-align: center;
}

.empty-reset-btn {
  margin-top: 16px;
  background: var(--color-negro);
  color: #FFFFFF;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.empty-reset-btn:hover {
  background: var(--color-oro);
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

/* ==========================================================================
   7. DEEP READER DRAWER
   ========================================================================== */

.reader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(18, 18, 16, 0.45);
  backdrop-filter: blur(4px);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.reader-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.reader-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(840px, 92vw);
  height: 100vh;
  background: var(--color-blanco);
  box-shadow: -8px 0 32px rgba(18, 18, 16, 0.2);
  z-index: 501;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.reader-drawer.active {
  transform: translateX(0);
}

.reader-drawer-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  background: var(--color-crema-light);
}

.reader-header-left {
  flex: 1;
}

.reader-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reader-btn-back,
.reader-btn-close {
  background: var(--color-blanco);
  border: 1px solid var(--color-border);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-negro);
  transition: all var(--transition-fast);
}

.reader-btn-back:hover,
.reader-btn-close:hover {
  background: var(--color-negro);
  color: var(--color-blanco);
}

.reader-btn-action {
  background: var(--color-oro-pale);
  color: #7A5722;
  border: 1px solid var(--color-oro);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reader-btn-action:hover {
  background: var(--color-oro);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(157, 122, 62, 0.25);
}

.reader-title {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-negro);
  line-height: 1.25;
  margin-bottom: 12px;
}

.reader-meta-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.meta-item {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-crema);
  font-weight: 600;
}

.reader-body-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  line-height: 1.7;
}

.reader-section {
  margin-bottom: 32px;
}

.reader-sec-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-negro);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.reader-sec-body p {
  margin-bottom: 16px;
  color: #262626;
  font-size: 15px;
}

.wikilink-btn {
  background: var(--color-oro-pale);
  color: #7A5722;
  border: 1px solid #DFBE79;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition-fast);
  margin: 0 2px;
}

.wikilink-btn:hover {
  background: var(--color-oro);
  color: #FFFFFF;
}

.reader-relations-section {
  background: var(--color-crema-light);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.reader-wikilinks-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.reader-drawer-footer {
  padding: 16px 32px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-crema-light);
}

/* ==========================================================================
   8. GRAPH NETWORK VIEW (Interactive D3 Visualization)
   ========================================================================== */

.graph-view-wrapper {
  position: relative;
  background: #FAF8F5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 760px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.graph-toolbar-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  z-index: 20;
  flex-wrap: wrap;
}

.graph-canvas-container {
  position: relative;
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 550px;
  overflow: hidden;
  background: #FAF8F5;
}

.graph-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.graph-search-box {
  position: relative;
}

.graph-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.graph-search-input {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  padding: 8px 16px 8px 34px;
  border-radius: var(--radius-full);
  font-size: 13px;
  outline: none;
  width: 240px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.graph-search-input:focus {
  border-color: var(--color-oro);
  width: 280px;
  box-shadow: 0 0 0 3px var(--color-oro-glow);
}

.graph-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 320px;
  max-height: 280px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  padding: 6px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.search-result-item:hover {
  background: var(--color-crema);
}

.result-cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.result-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.result-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-negro);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-meta {
  font-size: 10.5px;
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.search-no-results {
  padding: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
}

.graph-category-filters {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.graph-cat-btn {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.graph-cat-btn:hover {
  color: var(--color-negro);
}

.graph-cat-btn.active {
  background: var(--color-negro);
  color: #FFFFFF;
}

.graph-actions-group {
  display: flex;
  gap: 6px;
}

.graph-control-btn {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-negro);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.graph-control-btn.icon-only {
  padding: 7px 12px;
  font-size: 14px;
}

.graph-control-btn:hover {
  background: var(--color-negro);
  color: #FFFFFF;
  border-color: var(--color-negro);
}

.graph-control-btn.active {
  background: var(--color-oro);
  color: #FFFFFF;
  border-color: var(--color-oro);
}

.graph-node-tooltip {
  position: absolute;
  width: 280px;
  background: rgba(18, 18, 16, 0.94);
  backdrop-filter: blur(14px);
  color: #FFFFFF;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
  z-index: 30;
  transition: opacity 0.15s ease;
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.tooltip-cat-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  color: #FFFFFF;
}

.tooltip-ev-badge {
  font-size: 10px;
  font-weight: 700;
  color: #A3E635;
  background: rgba(163, 230, 53, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}

.tooltip-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
  color: #FFFFFF;
}

.tooltip-connections {
  font-size: 11px;
  color: #D4AF37;
  font-weight: 600;
  margin-bottom: 10px;
}

.tooltip-domains {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tooltip-domain-tag {
  font-size: 10px;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: #E2E8F0;
}

.tooltip-action-hint {
  font-size: 10.5px;
  color: #A1A1AA;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 8px;
}

.graph-legend {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  z-index: 20;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  transition: background 0.15s;
}

.legend-item:hover {
  background: var(--color-crema);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ==========================================================================
   9. SOURCES & LEARNING VIEWS
   ========================================================================== */

.sources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

.source-card {
  background: var(--color-blanco);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.source-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 12px;
}

.source-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-negro);
}

.source-count-badge {
  font-size: 11px;
  background: var(--color-oro-pale);
  color: #7A5722;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.source-items-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-item-chip {
  font-size: 12px;
  background: var(--color-crema-light);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-negro);
  transition: all var(--transition-fast);
  text-align: left;
}

.source-item-chip:hover {
  background: var(--color-oro);
  color: #FFFFFF;
  border-color: var(--color-oro);
}

/* Flashcards Grid */
.learning-header {
  margin-bottom: 24px;
}

.learning-header h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--color-negro);
}

.flashcards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.flashcard {
  height: 260px;
  perspective: 1000px;
  cursor: pointer;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.flashcard-front {
  background: var(--color-blanco);
}

.flashcard-back {
  background: var(--color-crema);
  transform: rotateY(180deg);
}

.flashcard-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-oro);
  letter-spacing: 0.8px;
}

.flashcard-q {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-negro);
  margin-top: 8px;
}

.flashcard-hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.flashcard-action {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-oro);
  text-align: right;
}

.flashcard-back-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-negro);
  margin-bottom: 8px;
}

.flashcard-a {
  font-size: 13.5px;
  color: #262626;
  line-height: 1.45;
  flex: 1;
}

.flashcard-open-btn {
  background: var(--color-negro);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  margin-top: 12px;
  align-self: flex-start;
}

/* ==========================================================================
   10. SUPABASE MODAL
   ========================================================================== */

.supabase-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(18, 18, 16, 0.5);
  backdrop-filter: blur(6px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.supabase-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.supabase-modal-card {
  background: var(--color-blanco);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 90vw;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.supabase-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.sql-code-block {
  background: #18181B;
  color: #F4F4F5;
  padding: 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 16px 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

.btn-primary {
  background: var(--color-oro);
  color: #FFFFFF;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-negro);
}

.btn-secondary {
  border: 1px solid var(--color-border);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .portal-header { padding: 12px 16px; }
  .portal-main { padding: 16px; }
  .header-inner { flex-wrap: wrap; }
  .header-center { order: 3; max-width: 100%; width: 100%; }
  .metrics-strip { padding: 14px 16px; }
  .tabs-nav-bar { padding: 0 16px; }
}

/* ==========================================================================
   COGNITIVE MASTERY & RETENTION SYSTEM (THE BRIDGE & STATUS ENGINE)
   ========================================================================== */

/* Header Progress Pill */
.mastery-summary-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-negro);
  transition: all var(--transition-fast);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.mastery-summary-pill:hover {
  background: var(--color-oro-pale);
  border-color: var(--color-oro);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(157, 122, 62, 0.12);
}

.mastery-pill-icon {
  font-size: 14px;
}

.mastery-pill-streak {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FFEDD5;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

/* Filter Mastery Chips */
.chip-unexplored { border-color: #D6D3D1; color: #78716C; }
.chip-read { border-color: #BAE6FD; color: #0369A1; }
.chip-contrasted { border-color: #FDE68A; color: #B45309; }
.chip-applied { border-color: #E9D5FF; color: #7E22CE; }

/* Card Mastery Status Badges */
.card-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-mastery-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: all var(--transition-fast);
}

.mastery-badge-unexplored {
  background: #F5F5F4;
  color: #78716C;
  border: 1px solid #E7E5E4;
}

.mastery-badge-read {
  background: #F0F9FF;
  color: #0369A1;
  border: 1px solid #BAE6FD;
}

.mastery-badge-contrasted {
  background: #FFFBEB;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.mastery-badge-applied {
  background: linear-gradient(135deg, #FEFCE8 0%, #FEF08A 100%);
  color: #854D0E;
  border: 1px solid #CA8A04;
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(202, 138, 4, 0.15);
}

.knowledge-card.card-is-applied {
  border-color: #D4AF37;
  background: linear-gradient(180deg, #FFFFFF 0%, #FCFBF7 100%);
  box-shadow: 0 4px 16px rgba(157, 122, 62, 0.1);
}

.knowledge-card.card-is-applied::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #9D7A3E, #D4AF37, #9D7A3E);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Reader Mastery Toolbar & Stepper */
.reader-mastery-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 28px;
  background: #FAF7F0;
  border-bottom: 1px solid var(--color-border);
  gap: 16px;
  flex-wrap: wrap;
}

.reader-mastery-stepper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stepper-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stepper-buttons {
  display: flex;
  background: #EDE7D8;
  padding: 3px;
  border-radius: var(--radius-full);
  gap: 3px;
}

.step-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: #57534E;
  background: transparent;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.step-btn:hover {
  color: var(--color-negro);
  background: rgba(255,255,255,0.6);
}

.step-btn.active {
  background: #FFFFFF;
  color: var(--color-negro);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.step-btn[data-step="read"].active {
  background: #0284C7;
  color: #FFFFFF;
}

.step-btn[data-step="contrasted"].active {
  background: #D97706;
  color: #FFFFFF;
}

.step-btn[data-step="applied"].active {
  background: linear-gradient(135deg, #9D7A3E 0%, #B8904D 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(157, 122, 62, 0.3);
}

.reader-estimate-pill {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* The Bridge: El Consejo AUREO Reflection Box */
.reader-consejo-box {
  margin: 32px 0 16px 0;
  padding: 24px;
  background: linear-gradient(180deg, #FCFBF8 0%, #F8F5EE 100%);
  border: 1px solid var(--color-oro-pale);
  border-left: 4px solid var(--color-oro);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(157, 122, 62, 0.06);
}

.consejo-box-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
}

.consejo-title-wrap h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-negro);
}

.consejo-title-wrap p {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 3px;
  line-height: 1.45;
}

.consejo-lenses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.consejo-lens-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.consejo-lens-chip:hover {
  border-color: var(--color-oro);
  background: #FAF7F0;
}

.consejo-lens-chip.selected {
  background: #FEF3C7;
  border-color: #D97706;
  color: #92400E;
  font-weight: 700;
}

.consejo-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--color-negro);
  background: #FFFFFF;
  resize: vertical;
  min-height: 85px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.consejo-textarea:focus {
  border-color: var(--color-oro);
  box-shadow: 0 0 0 3px rgba(157, 122, 62, 0.12);
}

.consejo-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.consejo-save-btn {
  background: var(--color-oro);
  color: #FFFFFF;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.consejo-save-btn:hover {
  background: var(--color-negro);
  transform: translateY(-1px);
}

/* Mastery Modal Styles */
.mastery-modal-card {
  max-width: 680px;
  width: 90vw;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.mastery-modal-title-wrap .mastery-modal-eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-oro);
  display: block;
  margin-bottom: 4px;
}

.mastery-rank-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, #FAF7F0 0%, #F3EDE0 100%);
  border: 1px solid var(--color-oro-pale);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin: 20px 0;
}

.rank-badge-wrap {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 2px 8px rgba(157, 122, 62, 0.15);
  flex-shrink: 0;
}

.rank-tier-eyebrow {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-oro);
  letter-spacing: 0.5px;
}

.rank-tier-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-negro);
  margin: 2px 0;
}

.rank-tier-desc {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.mastery-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 20px 0;
}

@media (max-width: 600px) {
  .mastery-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

.mastery-metric-box {
  background: #FAF9F6;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.mastery-box-val {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-negro);
  font-family: var(--font-serif);
}

.mastery-box-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: 3px;
}

.circulo-access-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #181816;
  color: #FFFFFF;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  gap: 16px;
}

.circulo-banner-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.circulo-lock-icon {
  font-size: 22px;
}

.circulo-badge-status {
  background: rgba(255,255,255,0.15);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.mastery-modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* Toast Notifications */
.aureo-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--color-negro);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  font-size: 13.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.aureo-toast.active {
  transform: translateY(0);
  opacity: 1;
}

.aureo-toast .toast-icon {
  font-size: 16px;
}