/* ==========================================================================
   ORI TOEIC SHARED WEB ENGINE — GOAL COACH V1 & MOTIVATION SYSTEM (CSS)
   Visual System: macOS-inspired Blue + Green + White + Slate Neutrals
   Strictly Zero Purple/Pink • Subtle Shadows • Generous Touch Targets (>=44px)
   Mobile First • 0 Horizontal Overflow
   ========================================================================== */

/* 1. COMPACT HOME DASHBOARD CARD */
.goal-coach-card {
  max-width: 1280px;
  margin: 0 auto 30px;
  padding: 22px 24px;
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-lg, 16px);
  box-shadow: var(--shadow-card, 0 1px 3px rgba(15, 23, 42, 0.04));
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-sizing: border-box;
  width: 100%;
}

.coach-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.coach-card-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.coach-card-icon {
  font-size: 24px;
  background: var(--blue-soft, #f0f9ff);
  border: 1px solid var(--blue-border, #bae6fd);
  color: var(--blue-primary, #0284c7);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md, 12px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.coach-card-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--blue-primary, #0284c7);
  text-transform: uppercase;
}

.coach-card-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.coach-card-badges-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-full, 9999px);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pill-target {
  background: var(--blue-soft, #f0f9ff);
  border: 1px solid var(--blue-border, #bae6fd);
  color: var(--blue-primary, #0284c7);
}

.pill-score {
  background: var(--green-soft, #ecfdf5);
  border: 1px solid var(--green-border, #a7f3d0);
  color: var(--green-primary, #059669);
}

.pill-score-unset {
  background: var(--surface-subtle, #f1f5f9);
  border: 1px solid var(--border, #e2e8f0);
  color: var(--text-muted, #64748b);
}

.pill-countdown {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #b45309;
}

/* 2. METRICS 4-COLUMN GRID */
.coach-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.coach-metric-box {
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 12px 14px;
  text-align: center;
}

.coach-metric-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  line-height: 1.2;
}

.coach-metric-lbl {
  font-size: 12px;
  color: var(--text-secondary, #475569);
  font-weight: 500;
  margin-top: 3px;
}

/* 3. TODAY BAR CHECKMARKS */
.coach-today-bar {
  background: var(--blue-soft, #f0f9ff);
  border: 1px solid var(--blue-border, #bae6fd);
  border-radius: var(--radius-md, 10px);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.coach-today-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-primary, #0284c7);
  white-space: nowrap;
}

.coach-today-items {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.today-check-item {
  font-size: 12px;
  font-weight: 600;
  color: var(--navy-800, #0f172a);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e2e8f0);
  padding: 3px 8px;
  border-radius: var(--radius-sm, 6px);
}

.today-check-item.done {
  color: var(--green-primary, #059669);
  border-color: var(--green-border, #a7f3d0);
  background: var(--green-soft, #ecfdf5);
}

/* 4. ACTIONS ROW */
.coach-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-coach-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm, 8px);
  background: var(--green-primary, #059669);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  min-height: 44px;
  box-shadow: 0 1px 3px rgba(5, 150, 105, 0.2);
  transition: var(--transition-fast, 150ms ease);
}

.btn-coach-primary:hover {
  background: var(--green-hover, #047857);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.btn-coach-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm, 8px);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border-strong, #cbd5e1);
  color: var(--navy-800, #0f172a);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition-fast, 150ms ease);
}

.btn-coach-secondary:hover {
  background: var(--surface-subtle, #f1f5f9);
  border-color: var(--navy-800, #0f172a);
}

.btn-coach-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm, 8px);
  background: var(--blue-soft, #f0f9ff);
  border: 1px solid var(--blue-border, #bae6fd);
  color: var(--blue-primary, #0284c7);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  margin-left: auto;
  transition: var(--transition-fast, 150ms ease);
}

.btn-coach-share:hover {
  background: var(--blue-subtle, #e0f2fe);
  border-color: var(--blue-primary, #0284c7);
}

/* 5. MODAL STYLES */
.goal-coach-modal {
  background: var(--surface, #ffffff);
  border-radius: var(--radius-lg, 16px);
  max-width: 760px;
  width: 94%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px -8px rgba(15, 23, 42, 0.24);
  border: 1px solid var(--border, #e2e8f0);
  overflow: hidden;
  animation: modalEnter 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.goal-coach-modal-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border, #e2e8f0);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: var(--surface-translucent, rgba(255, 255, 255, 0.95));
}

.goal-coach-modal-head h2 {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  line-height: 1.3;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm, 8px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast, 150ms ease);
}

.modal-close-btn:hover {
  background: var(--surface-subtle, #f1f5f9);
  color: var(--navy-900, #0b1329);
}

.goal-coach-modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.goal-coach-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border, #e2e8f0);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  background: var(--surface-soft, #f8fafc);
}

/* 6. GOAL SETUP MODAL SPECIFICS */
.setup-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setup-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-900, #0b1329);
}

.setup-note {
  font-size: 12px;
  color: var(--text-muted, #64748b);
  margin-top: 2px;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.preset-option-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 10px);
  cursor: pointer;
  transition: var(--transition-fast, 150ms ease);
}

.preset-option-card:hover {
  border-color: var(--blue-border, #bae6fd);
  background: var(--blue-soft, #f0f9ff);
}

.preset-option-card.active {
  border-color: var(--blue-primary, #0284c7);
  background: var(--blue-soft, #f0f9ff);
}

.preset-option-card input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--blue-primary, #0284c7);
  margin-top: 2px;
  flex-shrink: 0;
}

.preset-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-900, #0b1329);
}

.preset-tagline {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-primary, #0284c7);
  margin-top: 2px;
}

.preset-desc {
  font-size: 12px;
  color: var(--text-secondary, #475569);
  margin-top: 4px;
  line-height: 1.4;
}

.form-control {
  padding: 10px 14px;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--border-strong, #cbd5e1);
  background: var(--surface, #ffffff);
  font-size: 14px;
  color: var(--navy-900, #0b1329);
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
}

.form-control:focus {
  outline: none;
  border-color: var(--blue-primary, #0284c7);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.focus-selector-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.focus-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm, 8px);
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800, #0f172a);
  min-height: 44px;
  transition: var(--transition-fast, 150ms ease);
}

.focus-pill:hover {
  border-color: var(--blue-border, #bae6fd);
  background: var(--blue-soft, #f0f9ff);
}

.focus-pill.active {
  border-color: var(--blue-primary, #0284c7);
  background: var(--blue-soft, #f0f9ff);
  color: var(--blue-primary, #0284c7);
}

.focus-pill input[type="radio"] {
  display: none;
}

/* 7. TODAY PLAN MODAL SPECIFICS */
.plan-summary-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface-soft, #f8fafc);
  border-radius: var(--radius-sm, 8px);
  font-size: 13px;
  color: var(--navy-900, #0b1329);
}

.today-modules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.today-module-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--border, #e2e8f0);
  background: var(--surface, #ffffff);
  transition: var(--transition-fast, 150ms ease);
}

.today-module-row.completed {
  background: var(--green-soft, #ecfdf5);
  border-color: var(--green-border, #a7f3d0);
}

.module-check {
  font-size: 18px;
  font-weight: 800;
  color: var(--green-primary, #059669);
  width: 28px;
  text-align: center;
}

.module-time {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-primary, #0284c7);
  background: var(--blue-soft, #f0f9ff);
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.module-content {
  flex: 1;
}

.module-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-900, #0b1329);
}

.module-detail {
  font-size: 12px;
  color: var(--text-secondary, #475569);
  margin-top: 2px;
}

.btn-module-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-sm, 8px);
  background: var(--blue-primary, #0284c7);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  min-height: 44px;
  white-space: nowrap;
}

.btn-module-action.btn-done {
  background: var(--surface, #ffffff);
  border: 1px solid var(--green-border, #a7f3d0);
  color: var(--green-primary, #059669);
}

.plan-insight-box {
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 10px);
  padding: 12px 16px;
}

/* 8. PART DIAGNOSTIC MODAL SPECIFICS */
.diag-top-priority-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--blue-soft, #f0f9ff);
  border: 1px solid var(--blue-border, #bae6fd);
  border-radius: var(--radius-md, 12px);
  padding: 14px 18px;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.diagnostic-card {
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diag-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diag-part-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
}

.diag-title {
  font-size: 12px;
  color: var(--text-muted, #64748b);
  font-weight: 600;
}

.diag-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-sm, 8px);
  padding: 8px 10px;
}

.diag-metric {
  font-size: 11px;
  color: var(--text-secondary, #475569);
}

.diag-metric .lbl {
  color: var(--text-muted, #64748b);
}

.diag-metric .val {
  color: var(--navy-900, #0b1329);
  margin-left: 2px;
}

.diag-note {
  font-size: 12px;
  color: var(--navy-800, #0f172a);
  line-height: 1.4;
  min-height: 34px;
}

.diag-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.btn-diag-practice {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 6px;
  background: var(--blue-primary, #0284c7);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  min-height: 44px;
}

.btn-diag-edit {
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--surface, #ffffff);
  border: 1px solid var(--border-strong, #cbd5e1);
  color: var(--navy-800, #0f172a);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}

/* Badge classes */
.badge-mastered {
  background: var(--green-soft, #ecfdf5);
  color: var(--green-primary, #059669);
  border: 1px solid var(--green-border, #a7f3d0);
}

.badge-almost {
  background: var(--blue-soft, #f0f9ff);
  color: var(--blue-primary, #0284c7);
  border: 1px solid var(--blue-border, #bae6fd);
}

.badge-progress {
  background: #fefce8;
  color: #a16207;
  border: 1px solid #fef08a;
}

.badge-priority {
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecdd3;
}

.badge-unstarted {
  background: var(--surface-subtle, #f1f5f9);
  color: var(--text-muted, #64748b);
  border: 1px solid var(--border, #e2e8f0);
}

/* 9. DAILY WIN POPUP & WEEKLY CELEBRATION */
.daily-win-modal {
  background: var(--surface, #ffffff);
  border-radius: var(--radius-lg, 18px);
  max-width: 500px;
  width: 90%;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.25);
  border: 1px solid var(--border, #e2e8f0);
  animation: modalEnter 200ms cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.win-icon-burst {
  font-size: 42px;
  line-height: 1;
}

.win-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  letter-spacing: -0.3px;
}

.win-subtitle {
  font-size: 13px;
  color: var(--text-secondary, #475569);
}

.win-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 12px 8px;
}

.win-stat-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--blue-primary, #0284c7);
}

.win-stat-lbl {
  font-size: 11px;
  color: var(--text-muted, #64748b);
  margin-top: 2px;
}

.win-feedback-quote {
  font-size: 13px;
  color: var(--navy-900, #0b1329);
  background: var(--green-soft, #ecfdf5);
  border: 1px solid var(--green-border, #a7f3d0);
  padding: 10px 14px;
  border-radius: 8px;
  text-align: left;
}

.weekly-metrics-hero {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.weekly-metric-item {
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 16px;
  text-align: center;
}

.weekly-metric-item .val {
  font-size: 28px;
  font-weight: 800;
  color: var(--green-primary, #059669);
}

.weekly-metric-item .lbl {
  font-size: 12px;
  color: var(--text-muted, #64748b);
  margin-top: 4px;
}

/* 10. ACHIEVEMENT SHARE MODAL */
.achievement-share-modal {
  background: var(--surface, #ffffff);
  border-radius: var(--radius-lg, 16px);
  max-width: 680px;
  width: 94%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px -8px rgba(15, 23, 42, 0.24);
  border: 1px solid var(--border, #e2e8f0);
  overflow: hidden;
  animation: modalEnter 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.share-card-types {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.type-pill {
  padding: 8px 14px;
  border-radius: var(--radius-full, 9999px);
  background: var(--surface-soft, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  color: var(--navy-800, #0f172a);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition-fast, 150ms ease);
}

.type-pill:hover {
  background: var(--blue-soft, #f0f9ff);
  border-color: var(--blue-border, #bae6fd);
}

.type-pill.active {
  background: var(--blue-primary, #0284c7);
  border-color: var(--blue-primary, #0284c7);
  color: #ffffff;
}

.share-privacy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: var(--surface-soft, #f8fafc);
  border-radius: 8px;
}

.share-preview-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
  background: var(--surface-subtle, #f1f5f9);
  border-radius: var(--radius-md, 12px);
}

.zalo-instruction-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 10px 14px;
  border-radius: 8px;
}

/* Generic modal action buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-sm, 8px);
  background: var(--blue-primary, #0284c7);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition-fast, 150ms ease);
}

.btn-primary:hover {
  background: var(--blue-hover, #0369a1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--radius-sm, 8px);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border-strong, #cbd5e1);
  color: var(--navy-800, #0f172a);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition-fast, 150ms ease);
}

.btn-secondary:hover {
  background: var(--surface-subtle, #f1f5f9);
}

/* 11. RESPONSIVE BREAKPOINTS (1440, 768, 390) */
@media (max-width: 768px) {
  .goal-coach-card {
    padding: 18px 16px;
  }
  .coach-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .btn-coach-share {
    margin-left: 0;
    width: 100%;
  }
  .diag-top-priority-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .coach-card-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-coach-primary,
  .btn-coach-secondary,
  .btn-coach-share {
    width: 100%;
  }
  .coach-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .goal-coach-modal-body {
    padding: 16px;
  }
  .goal-coach-modal-footer {
    padding: 12px 16px;
    flex-direction: column-reverse;
  }
  .goal-coach-modal-footer button {
    width: 100%;
  }
}

/* ==========================================================================
   PART PRACTICE SELECTION MODAL — UX & USABILITY V2
   Responsive 80-88vw / 80-88vh on Desktop • Near-fullscreen on Tablet/Mobile
   Strict Blue + Green + White Palette • Touch Targets >= 44px
   ========================================================================== */
.modal.part-practice-modal {
  background: var(--surface, #ffffff);
  border-radius: var(--radius-lg, 16px);
  width: 86vw;
  max-width: 1240px;
  height: 86vh;
  max-height: 880px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px -15px rgba(11, 19, 41, 0.22);
  border: 1px solid var(--border, #e2e8f0);
  overflow: hidden;
  box-sizing: border-box;
  margin: auto;
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .modal.part-practice-modal {
    animation: modalEnter 180ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
}

.part-practice-header {
  padding: 18px 28px 16px;
  border-bottom: 1px solid var(--border, #e2e8f0);
  background: var(--surface, #ffffff);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  gap: 16px;
}

.part-practice-title-group h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.25;
  margin: 0;
}

.part-practice-title-group p {
  font-size: 13px;
  color: var(--text-secondary, #475569);
  margin: 4px 0 0 0;
  line-height: 1.4;
}

.part-practice-header .modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted, #64748b);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm, 8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast, 150ms ease);
}

.part-practice-header .modal-close-btn:hover {
  background: var(--surface-subtle, #f1f5f9);
  color: var(--navy-900, #0b1329);
}

.part-practice-presets-bar {
  padding: 12px 28px;
  background: var(--surface-soft, #f8fafc);
  border-bottom: 1px solid var(--border, #e2e8f0);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.part-practice-presets-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-900, #0b1329);
  white-space: nowrap;
}

.part-practice-presets-scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.part-preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  min-height: 44px;
  height: 44px;
  border-radius: var(--radius-full, 9999px);
  background: var(--surface, #ffffff);
  border: 1.5px solid var(--border-strong, #cbd5e1);
  color: var(--navy-900, #0b1329);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms ease;
  user-select: none;
}

.part-preset-chip .preset-icon {
  font-size: 14px;
}

.part-preset-chip .preset-title {
  font-weight: 700;
}

.part-preset-chip .preset-tag {
  background: var(--surface-subtle, #f1f5f9);
  color: var(--text-secondary, #475569);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  transition: all 150ms ease;
}

.part-preset-chip:hover {
  background: var(--blue-soft, #f0f9ff);
  border-color: var(--blue-primary, #0284c7);
  color: var(--blue-primary, #0284c7);
}

.part-preset-chip.active {
  background: var(--green-soft, #ecfdf5);
  border-color: var(--green-primary, #059669);
  color: var(--green-primary, #059669);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.15);
}

.part-preset-chip.active .preset-tag {
  background: #d1fae5;
  color: #047857;
}

.part-preset-chip:active {
  transform: scale(0.98);
}

.part-practice-body {
  padding: 22px 28px;
  overflow-y: auto;
  flex: 1;
  background: var(--surface-soft, #f8fafc);
}

.part-practice-columns-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.part-practice-section-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.part-practice-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px;
}

.part-practice-section-header .section-badge-icon {
  font-size: 18px;
}

.part-practice-section-header .section-badge-info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: 100%;
}

.part-practice-section-header h3 {
  font-size: 13px;
  font-weight: 800;
  color: var(--navy-900, #0b1329);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin: 0;
}

.part-practice-section-header span {
  font-size: 12px;
  color: var(--text-muted, #64748b);
  font-weight: 600;
}

.part-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.part-practice-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface, #ffffff);
  border: 1.5px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  cursor: pointer;
  transition: all 160ms cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  min-height: 84px;
  box-sizing: border-box;
}

.part-practice-card:hover {
  border-color: #93c5fd;
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.part-practice-card.selected {
  border-color: var(--green-primary, #059669);
  border-width: 2px;
  background: var(--green-soft, #ecfdf5);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.12);
}

.part-card-chk-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding-top: 2px;
}

.part-card-chk-wrap input[type="checkbox"].part-select-chk {
  width: 22px;
  height: 22px;
  accent-color: var(--green-primary, #059669);
  cursor: pointer;
}

.part-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.part-card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.part-card-headings {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.part-badge-tag {
  background: var(--navy-900, #0b1329);
  color: #ffffff;
  font-weight: 800;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 0.3px;
  white-space: nowrap;
  transition: background 150ms ease;
}

.part-practice-card.selected .part-badge-tag {
  background: var(--green-primary, #059669);
}

.part-title-en {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-900, #0b1329);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.part-card-vn-desc {
  font-size: 12px;
  color: var(--text-secondary, #475569);
  font-weight: 500;
  line-height: 1.3;
}

.part-card-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted, #64748b);
  margin-top: 4px;
  flex-wrap: wrap;
}

.part-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.part-meta-item b {
  color: var(--navy-900, #0b1329);
  font-weight: 700;
}

.part-status-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full, 9999px);
  letter-spacing: 0.2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.part-status-pill.badge-mastered {
  background: #d1fae5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.part-status-pill.badge-almost {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.part-status-pill.badge-progress {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.part-status-pill.badge-unstarted {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.part-practice-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--border, #e2e8f0);
  background: var(--surface, #ffffff);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  gap: 16px;
  flex-wrap: wrap;
}

.part-selected-summary {
  display: flex;
  align-items: center;
  gap: 10px;
}

.part-selected-summary .summary-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-900, #0b1329);
}

.part-selected-badge {
  background: var(--green-soft, #ecfdf5);
  border: 1px solid var(--green-border, #a7f3d0);
  color: var(--green-primary, #059669);
  padding: 5px 14px;
  border-radius: var(--radius-full, 9999px);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.2px;
}

.part-practice-footer-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-start-practice {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  border-radius: var(--radius-sm, 8px);
  background: var(--green-primary, #059669);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  min-height: 48px;
  height: 48px;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
  transition: var(--transition-fast, 150ms ease);
}

.btn-start-practice:hover {
  background: var(--green-hover, #047857);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
  transform: translateY(-1px);
}

.btn-start-practice:active {
  transform: translateY(0);
}

.btn-cancel-practice {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: var(--radius-sm, 8px);
  background: var(--surface, #ffffff);
  border: 1.5px solid var(--border-strong, #cbd5e1);
  color: var(--navy-900, #0b1329);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  height: 48px;
  transition: var(--transition-fast, 150ms ease);
}

.btn-cancel-practice:hover {
  background: var(--surface-subtle, #f1f5f9);
}

/* Tablet & Mobile Breakpoints */
@media (max-width: 960px) {
  .modal.part-practice-modal {
    width: 94vw;
    height: 90vh;
    max-height: 90vh;
  }
  .part-practice-columns-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .part-practice-header {
    padding: 16px 20px;
  }
  .part-practice-presets-bar {
    padding: 10px 20px;
  }
  .part-practice-body {
    padding: 16px 20px;
  }
  .part-practice-footer {
    padding: 14px 20px;
  }
}

@media (max-width: 768px) {
  .overlay:has(.part-practice-modal) {
    padding: 0;
  }
  .modal.part-practice-modal {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    border: none;
  }
  .part-practice-header {
    padding: 14px 16px;
  }
  .part-practice-title-group h2 {
    font-size: 17px;
  }
  .part-practice-title-group p {
    font-size: 12px;
  }
  .part-practice-presets-bar {
    padding: 10px 16px;
    gap: 8px;
  }
  .part-practice-presets-scroll {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .part-practice-presets-scroll::-webkit-scrollbar {
    display: none;
  }
  .part-preset-chip {
    padding: 0 14px;
    font-size: 12px;
    min-height: 44px;
    height: 44px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .part-practice-body {
    padding: 14px 16px;
  }
  .part-practice-columns-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .part-practice-footer {
    padding: 14px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .part-selected-summary {
    justify-content: space-between;
  }
  .part-practice-footer-actions {
    flex-direction: column-reverse;
    gap: 8px;
  }
  .btn-start-practice,
  .btn-cancel-practice {
    width: 100%;
    min-height: 48px;
    height: 48px;
  }
}