/* ==========================================================================
   YDT English Study Tools — World-Class Educational Platform Stylesheet
   Palette: Warm Ivory Canvas (#FAF7F2), Crisp White (#FFFFFF), 
            Literary Deep Ink (#1C2228, #101417), Controlled Terracotta (#B84A39)
   Inspired by: Brilliant.org, Apple Books, Linear & NYT Educational Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Page Container & Editorial Header
   -------------------------------------------------------------------------- */
.study-tool-page {
  max-width: 74rem;
  margin-inline: auto;
  margin-bottom: var(--space-12);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.study-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding-bottom: var(--space-6);
  border-bottom: 1.5px solid var(--color-line);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.study-header-main {
  flex: 1 1 30rem;
}

.study-kicker {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.study-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-reading);
  font-size: clamp(1.85rem, 3.8vw, 2.65rem);
  font-weight: 800;
  color: var(--color-ink-deep);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.study-subtitle {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 58ch;
}

.study-header-badge {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-ink-deep) 100%);
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(28, 34, 40, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.study-step-number {
  font-family: var(--font-ui);
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1;
}

.study-step-label {
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-border);
  margin-top: 2px;
}

/* Quick Metrics Row */
.study-quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.quick-stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 1rem 1.25rem;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.quick-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
  border-color: var(--color-accent-border);
}

.quick-stat-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--color-surface);
  font-size: 1.25rem;
  box-shadow: 0 2px 6px rgba(28, 34, 40, 0.06);
}

.quick-stat-data {
  display: flex;
  flex-direction: column;
}

.quick-stat-num {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  font-weight: 850;
  color: var(--color-ink-deep);
  line-height: 1.2;
}

.quick-stat-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
}

/* Educational Hero Callout */
.study-hero-banner {
  display: flex;
  gap: var(--space-4);
  padding: 1.35rem 1.65rem;
  background: var(--color-paper-warm);
  border-left: 4.5px solid var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-8);
  box-shadow: 0 1px 4px rgba(28, 34, 40, 0.03);
}

.hero-banner-accent-mark {
  font-size: 1.6rem;
  flex: 0 0 auto;
  line-height: 1.2;
}

.hero-banner-content {
  flex: 1 1 auto;
}

.hero-banner-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-reading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-ink-deep);
}

.hero-banner-text {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--color-ink);
}

.hero-banner-text strong {
  color: var(--color-accent-deep);
}

.hero-banner-text em {
  color: var(--color-ink-deep);
  font-weight: 600;
}

.study-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: var(--space-8) 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-line);
  font-family: var(--font-reading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-ink-deep);
}

.study-section-desc {
  margin: -0.5rem 0 var(--space-5);
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   2. Parts of Speech — 8 Modern Educational Cards
   -------------------------------------------------------------------------- */
.pos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.pos-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.pos-card:hover {
  transform: translateY(-3px);
  border-color: rgba(184, 74, 57, 0.35);
  box-shadow: var(--shadow-md);
}

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

.pos-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  background: var(--color-accent-light);
  color: var(--color-accent-deep);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-accent-border);
}

.pos-card-tr {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-muted);
}

.pos-card-title {
  margin: 0.25rem 0 0.5rem;
  font-family: var(--font-reading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-ink-deep);
}

.pos-role-box {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  background: rgba(28, 34, 40, 0.03);
  border-left: 3px solid var(--color-brand);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.pos-role-tag {
  font-weight: 800;
  color: var(--color-brand);
  white-space: nowrap;
}

.pos-definition {
  margin: 0 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-ink);
}

/* Example Box: Pure Editorial Typography, No Monospace Terminal */
.pos-example-box {
  padding: 0.85rem 1rem;
  background: var(--color-paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line-subtle);
  margin-bottom: var(--space-4);
}

.pos-example-heading {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.3rem;
}

.pos-example-en {
  font-family: var(--font-reading);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--color-ink-deep);
  font-weight: 600;
}

.pos-example-tr {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 0.35rem;
  line-height: 1.45;
}

/* YDT Strategy Callout at the bottom of the card */
.pos-ydt-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.75rem 0.9rem;
  background: var(--color-gold-soft);
  border: 1px solid #F6DFBA;
  border-radius: var(--radius-md);
  margin-top: auto;
}

.pos-tip-icon {
  font-size: 1.1rem;
  line-height: 1;
  flex: 0 0 auto;
}

.pos-tip-body {
  font-family: var(--font-ui);
  font-size: 0.79rem;
  line-height: 1.5;
  color: #7A490F;
}

.pos-tip-body strong {
  font-weight: 850;
  color: #5C3507;
}

/* --------------------------------------------------------------------------
   3. Syntax Comparison — English SVO vs Turkish SOV
   -------------------------------------------------------------------------- */
.pos-syntax-contrast {
  margin-block: var(--space-8);
  padding: clamp(1.25rem, 3vw, 2.25rem);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.syntax-arch-diagram {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--space-4);
  margin-block: var(--space-4) var(--space-6);
}

.arch-card {
  padding: 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-line);
  box-shadow: 0 2px 6px rgba(28, 34, 40, 0.04);
}

.arch-card.en-arch {
  border-top: 4px solid var(--color-accent);
}

.arch-card.tr-arch {
  border-top: 4px solid var(--color-brand);
}

.arch-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.arch-flow {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.arch-pill {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
}

.arch-pill.s { background: #EEF8F1; color: #175232; border: 1px solid #C4E8D1; }
.arch-pill.v { background: #FDF0EE; color: #963829; border: 1px solid #F5C6BE; }
.arch-pill.o { background: #EEF5FC; color: #145082; border: 1px solid #C4DCF2; }

.arch-arrow {
  color: var(--color-muted);
  font-weight: 800;
  font-size: 0.85rem;
}

.arch-example {
  font-family: var(--font-reading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink-deep);
  margin: 0;
}

/* Comparison Points Table */
.syntax-comparison-table-wrap {
  overflow-x: auto;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-table-border-strong);
  box-shadow: var(--shadow-xs);
}

.syntax-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
}

.syntax-comparison-table th,
.syntax-comparison-table td {
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-table-border);
  font-size: 0.88rem;
  line-height: 1.6;
  text-align: left;
  vertical-align: top;
}

.syntax-comparison-table thead th {
  background: var(--color-paper-warm);
  color: var(--color-ink-deep);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-table-border);
  border-bottom: 2px solid var(--color-table-border-strong);
}

.syntax-comparison-table tbody tr:last-child th,
.syntax-comparison-table tbody tr:last-child td {
  border-bottom: 1px solid var(--color-table-border);
}

.syntax-comparison-table tbody tr:hover td {
  background: rgba(28, 34, 40, 0.02);
}

.syntax-aspect-cell {
  font-weight: 800;
  color: var(--color-ink-deep);
  white-space: nowrap;
}

.syntax-example-line {
  font-family: var(--font-reading);
  font-weight: 600;
  color: var(--color-ink-deep);
  display: block;
  margin-top: 0.25rem;
}

.syntax-trap-tag {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.35rem;
  color: var(--color-accent-deep);
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   4. POS Detective — Tactile Interactive Word Chips
   -------------------------------------------------------------------------- */
.pos-detective-box {
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.pos-detective-box h4 {
  margin: 0 0 0.35rem;
  font-family: var(--font-reading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-ink-deep);
}

.detective-instruction {
  margin: 0 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.detective-sentence {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  padding: 1.25rem;
  background: var(--color-paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  margin-bottom: var(--space-3);
}

.pos-word-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 0.55rem 0.85rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 1px 3px rgba(28, 34, 40, 0.04);
}

.pos-word-chip:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(184, 74, 57, 0.12);
}

.pos-word-chip.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(184, 74, 57, 0.3);
}

.pos-word-chip.active .pos-word-text {
  color: #FFFFFF;
}

.pos-word-chip.active .pos-word-type {
  color: #FFFFFF;
  opacity: 0.9;
}

.pos-word-text {
  font-family: var(--font-reading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink-deep);
  line-height: 1.2;
}

.pos-word-type {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-top: 2px;
}

.pos-word-explain {
  padding: 1rem 1.25rem;
  background: var(--color-paper-warm);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-ink);
  transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   5. Turkish Contrasts — 6 YDT Trap Cards
   -------------------------------------------------------------------------- */
.contrast-card {
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.contrast-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-3);
}

.contrast-card-title {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-ink-deep);
}

.contrast-trap-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 750;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-3);
}

.contrast-explanation {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   6. Sentence Parsing Studio (Cümle Çözümleme)
   -------------------------------------------------------------------------- */
.parsing-workspace {
  display: grid;
  gap: var(--space-6);
}

.parsing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.parsing-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.parsing-difficulty {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.parsing-difficulty[data-diff="Kolay"] { background: #EEF8F1; color: #175232; border: 1px solid #C4E8D1; }
.parsing-difficulty[data-diff="Orta"] { background: #FDF7EC; color: #8A4F13; border: 1px solid #F7DFC4; }
.parsing-difficulty[data-diff="Zor"] { background: #FDF0EE; color: #963829; border: 1px solid #F5C6BE; }

.parsing-sentence-display {
  font-family: var(--font-reading);
  font-size: 1.28rem;
  line-height: 2;
  padding: 1.25rem 1.5rem;
  background: var(--color-paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line-subtle);
  margin-bottom: var(--space-4);
  color: var(--color-ink-deep);
}

.parse-token {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  margin-inline: 0.12rem;
  border-bottom: 2.5px solid transparent;
  cursor: help;
  transition: background var(--transition-fast);
}

.parse-subject {
  background: rgba(32, 114, 69, 0.12);
  border-bottom-color: #207245;
  color: #175232;
  font-weight: 700;
}

.parse-verb {
  background: rgba(184, 74, 57, 0.12);
  border-bottom-color: var(--color-accent);
  color: var(--color-accent-deep);
  font-weight: 700;
}

.parse-object {
  background: rgba(29, 114, 184, 0.12);
  border-bottom-color: #1D72B8;
  color: #145082;
  font-weight: 700;
}

.parse-pronoun {
  background: var(--color-accent);
  color: #FFFFFF !important;
  font-weight: 850;
  box-shadow: 0 2px 6px rgba(184, 74, 57, 0.35);
}

.parse-antecedent {
  background: #FDF5EA;
  border: 1.5px dashed var(--color-gold);
  color: #8C5310;
  font-weight: 800;
}

.parsing-antecedent-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.85rem 1.15rem;
  background: var(--color-paper-warm);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  color: var(--color-ink-deep);
  margin-bottom: var(--space-4);
}

.parsing-antecedent-arrow {
  color: var(--color-accent);
  font-size: 1.3rem;
  line-height: 1;
}

.parsing-logic-note {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.parsing-tr-meaning {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--color-muted);
  font-style: italic;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-line);
}

/* --------------------------------------------------------------------------
   7. Active Recall Flashcards (Hatırlama Çalışmaları)
   -------------------------------------------------------------------------- */
.recall-container {
  display: grid;
  gap: var(--space-6);
}

.recall-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: 0.75rem 1.25rem;
  background: var(--color-paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}

.recall-filter-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.recall-chip {
  padding: 0.35rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 750;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.recall-chip:hover,
.recall-chip.active {
  background: var(--color-brand);
  color: #FFFFFF;
  border-color: var(--color-brand);
  box-shadow: 0 2px 6px rgba(28, 34, 40, 0.15);
}

.recall-card-wrapper {
  perspective: 1200px;
  min-height: 25rem;
  cursor: pointer;
}

.recall-card-inner {
  position: relative;
  width: 100%;
  min-height: 25rem;
  text-align: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

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

.recall-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
}

.recall-front {
  background: var(--color-surface);
  border-top: 5px solid var(--color-accent);
}

.recall-back {
  background: var(--color-paper);
  border-top: 5px solid var(--color-brand);
  transform: rotateY(180deg);
}

.recall-category-tag {
  display: inline-block;
  align-self: center;
  padding: 0.25rem 0.85rem;
  background: var(--color-accent-light);
  color: var(--color-accent-deep);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-accent-border);
}

.recall-prompt {
  font-family: var(--font-reading);
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  line-height: 1.55;
  color: var(--color-ink-deep);
  margin-block: auto;
  font-weight: 700;
}

.recall-tap-hint {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.recall-answer {
  font-family: var(--font-reading);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: var(--color-accent);
  margin: var(--space-2) 0;
}

.recall-explanation {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-ink);
  line-height: 1.6;
  text-align: left;
  background: var(--color-surface);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border-left: 3.5px solid var(--color-brand);
  border: 1px solid var(--color-line);
}

.recall-action-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.btn-recall-known {
  min-height: 46px;
  padding: 0.75rem 1.5rem;
  background: var(--color-success);
  color: #FFFFFF;
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
  box-shadow: 0 3px 10px rgba(32, 114, 69, 0.2);
}

.btn-recall-known:hover {
  background: #175232;
  transform: translateY(-2px);
}

.btn-recall-retry {
  min-height: 46px;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
  box-shadow: 0 3px 10px rgba(184, 74, 57, 0.2);
}

.btn-recall-retry:hover {
  background: var(--color-accent-deep);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   8. Personal Review List (Tekrar Listem)
   -------------------------------------------------------------------------- */
.review-list-page {
  display: grid;
  gap: var(--space-6);
}

.review-stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: var(--space-4);
}

.review-stat-item {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-xs);
}

.review-stat-item strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1.1;
}

.review-stat-item span {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 750;
}

.review-action-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: 0.75rem 1.25rem;
  background: var(--color-paper-warm);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.review-item-card {
  padding: 1.35rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 4.5px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  display: grid;
  gap: var(--space-3);
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.review-item-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.review-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.review-item-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-muted);
}

.btn-star-toggle {
  background: transparent;
  color: var(--color-gold);
  font-size: 1.35rem;
  padding: var(--space-1);
  line-height: 1;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.btn-star-toggle:hover {
  transform: scale(1.2);
}

.review-prompt {
  font-family: var(--font-reading);
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--color-ink-deep);
  margin: 0;
  font-weight: 600;
}

.review-answer-pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-light);
  color: var(--color-accent-deep);
  font-family: var(--font-ui);
  font-weight: 850;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  border: 1px solid var(--color-accent-border);
}

.review-empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--color-paper);
  border: 2px dashed var(--color-line);
  border-radius: var(--radius-lg);
}

.review-empty-state h3 {
  color: var(--color-brand);
  margin-bottom: var(--space-2);
  font-family: var(--font-reading);
}

.review-empty-state p {
  color: var(--color-muted);
  max-width: 36rem;
  margin-inline: auto;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  line-height: 1.6;
}