/* Vocab Cards Shared Styles - Roots of Reason */

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

:root {
  /* Roots of Reason Palette */
  --sage-dark: #0f2f1d;
  --sage-green: #265c2f;
  --sage-light: #4a7c59;
  --sage-lighter: #6b8861;

  /* Warm neutrals */
  --parchment: #faf7ef;
  --cream: #f5f1e8;
  --cream-dark: #ede6d6;
  --ink: #2d3a2d;
  --body: #3a4a3a;

  /* Canvas (for code words) */
  --canvas-bg: #1a2420;
  --canvas-controls: #252e28;
  --canvas-grid: #2a3530;

  /* Focal colors */
  --focal-red: #e85a5a;
  --focal-yellow: #f0c850;
  --focal-green: #4abe60;
  --focal-blue: #5aa8e8;

  /* Category colors */
  --spanish-primary: #c45a2c;
  --spanish-light: #e8a066;
  --spanish-bg: #fdf6f0;

  --lesson10-primary: #3a6ea5;
  --lesson10-light: #7fa8d1;
  --lesson10-bg: #f0f5fa;

  --lesson5-primary: #7a5c8a;
  --lesson5-light: #a888bb;

  --lesson11-primary: #2a7a5a;
  --lesson11-light: #5aaa8a;

  --family-primary: #8a6a4a;
  --family-light: #baa07a;

  --science-primary: #4a6a8a;
  --science-light: #7a9aba;

  --ela-primary: #6a5a7a;
  --ela-light: #9a8aaa;

  /* Fonts */
  --font-display: 'Palatino Linotype', Palatino, Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-gentium: 'Gentium Plus', Georgia, serif;
  --font-mono: 'SF Mono', Monaco, Consolas, monospace;
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.65;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--sage-dark);
  border-bottom: 2px solid var(--sage-green);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--parchment);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-logo:hover { color: #fff; }

.header-nav {
  display: flex;
  gap: 24px;
}

.header-link {
  font-family: var(--font-gentium);
  font-size: 0.95rem;
  color: rgba(250, 247, 239, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}

.header-link:hover { color: #fff; }

/* ===== TAB NAVIGATION (Links) ===== */
.tab-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 16px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-link {
  padding: 12px 20px;
  background: var(--cream-dark);
  color: var(--body);
  font-family: var(--font-gentium);
  font-size: 0.95rem;
  border-radius: 8px 8px 0 0;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid transparent;
  border-bottom: none;
}

.tab-link:hover {
  background: var(--parchment);
}

.tab-link.active {
  background: var(--parchment);
  font-weight: 600;
  border-color: var(--cream-dark);
}

/* Active tab colors by category */
.tab-link.active[data-cat="code"] { color: var(--sage-green); }
.tab-link.active[data-cat="lesson5"] { color: var(--lesson5-primary); }
.tab-link.active[data-cat="lesson9"] { color: var(--spanish-primary); }
.tab-link.active[data-cat="lesson10"] { color: var(--lesson10-primary); }
.tab-link.active[data-cat="lesson11"] { color: var(--lesson11-primary); }
.tab-link.active[data-cat="family"] { color: var(--family-primary); }
.tab-link.active[data-cat="science"] { color: var(--science-primary); }
.tab-link.active[data-cat="ela"] { color: var(--ela-primary); }

/* ===== PAGE CONTENT ===== */
.page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px 60px;
  background: var(--parchment);
  min-height: calc(100vh - 100px);
}

.page-header {
  text-align: center;
  margin-bottom: 24px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--sage-green);
  margin-bottom: 4px;
}

.page-subtitle {
  font-family: var(--font-gentium);
  font-size: 1rem;
  color: var(--body);
  font-style: italic;
}

/* Title colors by category */
.page-title.code { color: var(--sage-green); }
.page-title.lesson5 { color: var(--lesson5-primary); }
.page-title.spanish { color: var(--spanish-primary); }
.page-title.lesson10 { color: var(--lesson10-primary); }
.page-title.lesson11 { color: var(--lesson11-primary); }
.page-title.family { color: var(--family-primary); }
.page-title.science { color: var(--science-primary); }
.page-title.ela { color: var(--ela-primary); }

/* ===== CARDS GRID ===== */
.cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

/* ===== FLIP CARDS ===== */
.flip-card {
  width: 340px;
  height: 240px;
  perspective: 1000px;
  cursor: pointer;
  position: relative;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}

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

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.flip-card-front {
  background: linear-gradient(135deg, var(--parchment) 0%, var(--cream) 100%);
  border: 2px solid var(--cream-dark);
}

.flip-card-back {
  background: #fff;
  border: 2px solid var(--cream-dark);
  transform: rotateY(180deg);
  justify-content: flex-start;
  padding-top: 20px;
}

.emoji-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}

.flip-card-word {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.2;
}

.flip-card-pronunciation {
  font-family: var(--font-gentium);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--body);
  margin-bottom: 12px;
}

.flip-card-hint {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sage-lighter);
  margin-top: auto;
  opacity: 0.7;
}

.flip-card-definition {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 10px;
}

.flip-card-example {
  font-family: var(--font-gentium);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--body);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--cream-dark);
  width: 100%;
}

.flip-card-fact {
  font-size: 0.8rem;
  background: rgba(0,0,0,0.03);
  padding: 6px;
  border-radius: 6px;
  margin-top: auto;
  width: 100%;
  color: var(--sage-dark);
}

.flip-card-fact strong {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 2px;
}

/* ===== CATEGORY-SPECIFIC CARD STYLES ===== */

/* Lesson 5 */
.lesson5-card .flip-card-front {
  background: linear-gradient(135deg, #faf5ff 0%, #f0e5f5 100%);
  border-color: #d8c8e0;
}
.lesson5-card .flip-card-word { color: var(--lesson5-primary); }
.lesson5-card .flip-card-back { border-color: #d8c8e0; }
.lesson5-card .flip-card-fact { background: #f5f0fa; color: #5a4070; }

/* Spanish/Lesson 9 */
.spanish-card .flip-card-front {
  background: linear-gradient(135deg, #fffbf7 0%, #ffeadd 100%);
  border-color: #e8cca6;
}
.spanish-card .flip-card-word { color: var(--spanish-primary); }
.spanish-card .flip-card-back { border-color: #e8cca6; }
.spanish-card .flip-card-fact { background: #fff0e0; color: #8a4020; }

/* Lesson 10 */
.lesson10-card .flip-card-front {
  background: linear-gradient(135deg, #f5f9ff 0%, #e1ecfa 100%);
  border-color: #bcd4ed;
}
.lesson10-card .flip-card-word { color: var(--lesson10-primary); }
.lesson10-card .flip-card-back { border-color: #bcd4ed; }
.lesson10-card .flip-card-fact { background: #eef6ff; color: #2a507a; }

/* Lesson 11 */
.lesson11-card .flip-card-front {
  background: linear-gradient(135deg, #f0faf5 0%, #ddf0e8 100%);
  border-color: #b8d8c8;
}
.lesson11-card .flip-card-word { color: var(--lesson11-primary); }
.lesson11-card .flip-card-back { border-color: #b8d8c8; }
.lesson11-card .flip-card-fact { background: #e8f5f0; color: #2a5a4a; }

/* Family (Lessons 15-16) */
.family-card .flip-card-front {
  background: linear-gradient(135deg, #fdf8f2 0%, #f5e8d8 100%);
  border-color: #e0cbb0;
}
.family-card .flip-card-word { color: var(--family-primary); }
.family-card .flip-card-back { border-color: #e0cbb0; }
.family-card .flip-card-fact { background: #f8f0e5; color: #6a5040; }

/* Science */
.science-card .flip-card-front {
  background: linear-gradient(135deg, #f2f6fa 0%, #dde8f2 100%);
  border-color: #b0c8d8;
}
.science-card .flip-card-word { color: var(--science-primary); }
.science-card .flip-card-back { border-color: #b0c8d8; }
.science-card .flip-card-fact { background: #e8f0f5; color: #3a5a70; }

/* ELA/Social */
.ela-card .flip-card-front {
  background: linear-gradient(135deg, #f8f5fa 0%, #ebe5f0 100%);
  border-color: #c8c0d0;
}
.ela-card .flip-card-word { color: var(--ela-primary); }
.ela-card .flip-card-back { border-color: #c8c0d0; }
.ela-card .flip-card-fact { background: #f0eaf5; color: #5a4a6a; }

/* ===== INTERACTIVE CODE CARDS ===== */
.card {
  background: var(--parchment);
  border-radius: 10px;
  padding: 20px;
  width: 370px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  border: 1px solid var(--cream-dark);
}

.card-header {
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--sage-green);
  letter-spacing: -0.01em;
}

.card-pronunciation {
  font-family: var(--font-gentium);
  font-size: 0.85rem;
  color: var(--sage-light);
  font-style: italic;
}

.card-definition {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.7;
}

.key-idea {
  background: rgba(38, 92, 47, 0.12);
  color: var(--sage-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  border-left: 3px solid var(--sage-green);
  margin-left: 4px;
}

.card-definition em {
  font-style: italic;
  color: var(--sage-green);
}

.try-prompt {
  font-size: 0.9rem;
  color: var(--body);
  margin-bottom: 14px;
  padding-left: 2px;
}

.try-prompt strong {
  color: var(--sage-green);
  font-weight: 600;
}

.interactive-area {
  background: var(--canvas-bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(74, 124, 89, 0.3);
}

canvas {
  display: block;
  cursor: pointer;
}

.controls {
  padding: 12px 14px;
  background: var(--canvas-controls);
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  border-top: 1px solid rgba(74, 124, 89, 0.2);
}

.controls label {
  font-size: 0.85rem;
  color: var(--sage-lighter);
  font-weight: 500;
}

.controls input[type="range"] {
  width: 110px;
  accent-color: var(--sage-light);
  height: 5px;
}

.controls button {
  background: var(--sage-green);
  border: none;
  color: var(--parchment);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.15s;
}

.controls button:hover { background: var(--sage-dark); }
.controls button:active { transform: scale(0.98); }

.value-readout {
  font-family: var(--font-mono);
  background: rgba(74, 190, 96, 0.15);
  padding: 6px 10px;
  border-radius: 5px;
  font-size: 0.85rem;
  color: var(--focal-green);
  border: 1px solid rgba(74, 190, 96, 0.25);
}

/* XY Card special sizing */
.xy-card { width: 100%; max-width: 800px; }
.xy-definitions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.xy-box {
  padding: 12px 14px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--cream-dark);
}
.xy-box .label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.xy-box.x-box .label { color: var(--focal-red); }
.xy-box.y-box .label { color: #2d8a50; }
.xy-box.x-box { border-left: 4px solid var(--focal-red); }
.xy-box.y-box { border-left: 4px solid #2d8a50; }
.xy-box p {
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0;
  line-height: 1.6;
}

/* ===== SPECIAL ANIMATIONS ===== */

/* Stampede Shake */
@keyframes shake {
  0% { transform: translate(1px, 1px) rotate(0deg); }
  10% { transform: translate(-1px, -2px) rotate(-1deg); }
  20% { transform: translate(-3px, 0px) rotate(1deg); }
  30% { transform: translate(3px, 2px) rotate(0deg); }
  40% { transform: translate(1px, -1px) rotate(1deg); }
  50% { transform: translate(-1px, 2px) rotate(-1deg); }
  60% { transform: translate(-3px, 1px) rotate(0deg); }
  70% { transform: translate(3px, 1px) rotate(-1deg); }
  80% { transform: translate(-1px, -1px) rotate(1deg); }
  90% { transform: translate(1px, 2px) rotate(0deg); }
  100% { transform: translate(1px, -2px) rotate(-1deg); }
}
.shake-active .flip-card-inner { animation: shake 0.5s; }

/* Siesta Dark Mode */
.siesta-card.sleeping .flip-card-inner { filter: brightness(0.4); }

/* Mesa Visual */
.mesa-visual {
  width: 120px;
  height: 40px;
  background: #c45a2c;
  clip-path: polygon(15% 0%, 85% 0%, 100% 100%, 0% 100%);
  margin: 0 auto 10px;
}

/* Confetti for Fiesta */
.confetti-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pop 0.6s ease-out forwards;
  z-index: 10;
}
@keyframes pop {
  0% { transform: scale(0) translate(0,0); opacity: 1; }
  100% { transform: scale(1) translate(var(--tx), var(--ty)); opacity: 0; }
}

/* Lariat Spin */
@keyframes spin-lasso {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.lasso-visual {
  display: inline-block;
  font-size: 2.5rem;
  animation: spin-lasso 2s linear infinite;
}

/* ===== SECTION DIVIDER ===== */
.section-divider {
  width: 100%;
  text-align: center;
  margin: 30px 0 20px;
  font-family: var(--font-gentium);
  font-size: 1.1rem;
  color: var(--body);
  font-style: italic;
}

.section-divider::before,
.section-divider::after {
  content: '—';
  margin: 0 12px;
  color: var(--cream-dark);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .flip-card { width: 100%; max-width: 340px; }
  .card { width: 100%; max-width: 370px; }
  .tab-link { padding: 10px 14px; font-size: 0.85rem; }
  .xy-definitions { grid-template-columns: 1fr; }
}