/* ═══════════════════════════════════════════════════════════════
   Digital Garden · planner.css v2.0
   Study Planner — all styles use garden.css CSS variables
   ═══════════════════════════════════════════════════════════════ */

/* ─── Planner Layout ────────────────────────────────────────── */
.planner-app {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  min-height: 100vh;
}

.planner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-body);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  margin-left: -2rem;
  margin-right: -2rem;
}

@media (max-width: 640px) {
  .planner-header {
    margin-left: -1rem;
    margin-right: -1rem;
    padding: 1rem;
  }
}

.planner-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
  flex-shrink: 0;
}

.planner-brand:hover {
  border-color: #a78bfa;
  color: #a78bfa;
}

.planner-title-center {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.planner-brand-icon {
  font-size: 1.5rem;
}

.planner-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wizard-prog.card-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
}

.card-tip {
  margin-top: 2rem;
  margin-bottom: 2rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px dashed var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  font-weight: 600;
  line-height: 1.6;
}

/* ─── Step Wizard Progress ──────────────────────────────────── */
.wizard-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2.5rem;
  padding: 0 1rem;
}

.wizard-step-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  background: transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
  cursor: default;
}

.wizard-step-indicator .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--bg-elevated);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.wizard-step-indicator.active {
  color: var(--text-primary);
}

.wizard-step-indicator.active .step-num {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  color: #fff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.wizard-step-indicator.done .step-num {
  background: #10b981;
  color: #fff;
}

.wizard-step-indicator.done {
  color: var(--text-secondary);
}

.wizard-connector {
  width: 40px;
  height: 2px;
  background: var(--border-color);
  transition: background 0.3s ease;
}

.wizard-connector.done {
  background: #10b981;
}

@media (max-width: 640px) {
  .wizard-step-indicator span:not(.step-num) {
    display: none;
  }

  .wizard-connector {
    width: 24px;
  }

  .wizard-step-indicator {
    padding: 0.4rem;
  }
}

/* ─── Step Sections ─────────────────────────────────────────── */
.step {
  display: none;
  animation: stepFadeIn 0.4s ease;
}

.step.active {
  display: block;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-title {
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* ─── Step 1: Plan Type Cards ───────────────────────────────── */
.plan-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.plan-type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 4px 6px -1px var(--shadow-sm);
}

.plan-type-card:hover {
  border-color: #a78bfa;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(167, 139, 250, 0.15);
}

.plan-type-card.selected {
  border-color: var(--brand-500);
  background: linear-gradient(to bottom right, #f5f3ff, #ede9fe);
  box-shadow: 0 12px 20px -5px rgba(124, 58, 237, 0.2);
}

.plan-type-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--brand-500);
}

.plan-type-title {
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.plan-type-name-en {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-family: 'Inter', sans-serif;
}

.plan-type-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .plan-type-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Step 2: Course Setup ──────────────────────────────────── */
.course-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.course-block {
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s ease;
}

.course-block.active-course {
  border-color: var(--border-hover);
}

.course-block-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.course-block-header:hover {
  background: var(--bg-elevated);
}

.course-toggle {
  width: 44px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.course-toggle::after {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  position: absolute;
  top: 1px;
  left: 1px;
  transition: all 0.3s ease;
}

.course-toggle.on {
  background: #a78bfa;
  border-color: #a78bfa;
}

.course-toggle.on::after {
  transform: translateX(20px);
  background: #fff;
}

.course-block-title {
  flex: 1;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
}

.course-block-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.course-block-body {
  padding: 0 1.5rem 1.5rem;
  display: none;
}

.course-block.active-course .course-block-body {
  display: block;
}

.course-field {
  margin-bottom: 1.25rem;
}

.course-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.course-field input[type="date"] {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  cursor: pointer;
  position: relative;
}

/* Make internal calendar click area expand to cover the whole input */
.course-field input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  color: transparent;
  cursor: pointer;
}

.course-field input[type="date"]:focus {
  outline: none;
  border-color: #a78bfa;
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15);
}

/* Module checkboxes */
.module-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.module-check {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
  user-select: none;
}

.module-check.checked {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #a78bfa;
}

/* Self-rating */
.rating-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.rating-module-label {
  min-width: 40px;
  font-weight: 800;
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.rating-options {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.rating-option {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
  white-space: nowrap;
}

.rating-option:hover {
  border-color: #a78bfa;
}

.rating-option.selected {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #a78bfa;
}

.rating-option[data-rating="excellent"].selected {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  color: #10b981;
}

.rating-option[data-rating="weak"].selected {
  background: rgba(244, 63, 94, 0.15);
  border-color: #f43f5e;
  color: #f43f5e;
}

.rating-option[data-rating="not_studied"].selected {
  background: rgba(107, 114, 128, 0.15);
  border-color: var(--gray-500);
  color: var(--gray-500);
}

/* ─── Step 3: Session Config ────────────────────────────────── */
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
}

.config-card {
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.config-card-title {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.config-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.config-option {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.config-option:hover {
  border-color: #a78bfa;
}

.config-option.selected {
  border-color: #a78bfa;
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
}

/* Rest days */
.rest-day-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rest-day-check {
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
  user-select: none;
}

.rest-day-check.checked {
  background: rgba(244, 63, 94, 0.1);
  border-color: #f43f5e;
  color: #f43f5e;
}

/* Busy dates */
.busy-dates-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.busy-date-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.busy-date-tag .remove-busy {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.busy-date-tag .remove-busy:hover {
  color: #f43f5e;
}

/* Feasibility Summary */
.feasibility-summary {
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.feasibility-title {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.feasibility-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.feasibility-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feasibility-stat-icon {
  font-size: 1.1rem;
}

.feasibility-stat-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.feasibility-stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  color: var(--text-primary);
}

.feasibility-status {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.9rem;
  text-align: center;
}

.feasibility-status.comfortable {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.feasibility-status.feasible {
  background: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

.feasibility-status.tight {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.feasibility-status.critical {
  background: rgba(244, 63, 94, 0.1);
  color: #f43f5e;
}

/* ─── Step 4: Plan Display ──────────────────────────────────── */
.plan-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.plan-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.plan-header-left h2 {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 0.2rem;
}

.plan-header-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Strategy bar — clean, readable */
.plan-strategy-bar {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border-inline-start: 3px solid #a78bfa;
}

.plan-strategy-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.plan-header-strategy {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

.plan-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* Base action button */
.plan-action-btn {
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* PDF — red */
.plan-action-btn.btn-pdf {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.25);
}

.plan-action-btn.btn-pdf:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  transform: translateY(-1px);
}

/* Regenerate — purple */
.plan-action-btn.btn-regenerate {
  background: rgba(124, 58, 237, 0.12);
  color: #a78bfa;
  border-color: rgba(124, 58, 237, 0.25);
}

.plan-action-btn.btn-regenerate:hover {
  background: rgba(124, 58, 237, 0.2);
  border-color: #a78bfa;
  transform: translateY(-1px);
}

/* New Plan — amber/yellow (matches garden.css f59e0b) */
.plan-action-btn.btn-new-plan {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.25);
}

.plan-action-btn.btn-new-plan:hover {
  background: rgba(245, 158, 11, 0.22);
  border-color: #f59e0b;
  transform: translateY(-1px);
}

/* Week section */
.week-section {
  margin-bottom: 2.5rem;
}

.week-label {
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--brand-600);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Day section */
.day-section {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 6px -1px var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.day-section:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px var(--shadow-base);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.day-label {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.day-section.today-section .day-label,
.day-section.today-section .day-progress-count {
  color: var(--text-primary);
  /* Fix contrast in dark mode for today box */
}

.day-status {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.day-status.today {
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
}

.day-status.completed {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.day-status.upcoming {
  color: var(--text-muted);
}

.session-badge,
.card-session-badge {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.session-badge.easy,
.card-session-badge.easy {
  background: #10b981;
  color: #ffffff;
  border-color: #059669;
}

.session-badge.medium,
.card-session-badge.medium {
  background: #f59e0b;
  color: #ffffff;
  border-color: #d97706;
}

.session-badge.hard,
.card-session-badge.hard {
  background: #f43f5e;
  color: #ffffff;
  border-color: #e11d48;
}

.session-badge.critical,
.card-session-badge.critical {
  background: #9f1239;
  color: #ffffff;
  border-color: #881337;
}

/* ─── List View Completed Session Styling ──────────────────── */
.session-card.completed {
  background: var(--bg-elevated) !important;
  border-color: var(--border-color) !important;
  box-shadow: none !important;
}

/* Grayscale inner text/badges */
.session-card.completed>*:not(.session-actions) {
  filter: grayscale(1);
  opacity: 0.6;
}

/* Override purely for the Actions container to keep it immune */
.session-card.completed .session-actions {
  filter: none;
  opacity: 1;
}

.session-card.completed .session-badge {
  background: rgba(107, 114, 128, 0.15) !important;
  color: var(--text-muted) !important;
  border-color: var(--border-color) !important;
}

/* Ensure Undo button remains fully styled */
.session-card.completed .session-complete-btn {
  background: rgba(244, 63, 94, 0.1) !important;
  border-color: #f43f5e !important;
  color: #f43f5e !important;
}

.session-difficulty,
.card-diff-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
}

.session-course {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.session-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.session-details span {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.session-link-alert {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  font-size: 0.8rem;
  color: #a78bfa;
  font-weight: 600;
}

.session-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.session-action-btn {
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.session-action-btn:hover {
  border-color: #a78bfa;
  color: #a78bfa;
}

.session-complete-btn {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10b981;
  color: #10b981;
}

.session-complete-btn:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #10b981;
}

/* ─── List View: Day Type Borders (Plan C) ──────────────────── */
.day-section[data-day-type="study"] {
  border-right: 4px solid var(--border-color);
}

.day-section[data-day-type="golden_review"] {
  border-right: 4px solid #6366f1;
}

.day-section[data-day-type="exam"] {
  border-right: 4px solid #f43f5e;
}

.day-section[data-day-type="mixed"] {
  border-right: 4px solid #3b82f6;
}

.day-section[data-day-type="light_review"] {
  border-right: 4px solid #a78bfa;
}

[dir="ltr"] .day-section[data-day-type] {
  border-left-width: 4px;
  border-right-width: 1px;
}

/* Day header layout for badges */
.day-label-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.day-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.day-progress-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
}

/* Past day dimming */
.day-section.past-section {
  opacity: 0.45;
  transition: opacity 0.3s ease;
}

.day-section.past-section:hover {
  opacity: 0.85;
}

/* Today section highlight */
.day-section.today-section {
  border-color: #a78bfa;
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.3), 0 10px 25px -5px rgba(167, 139, 250, 0.2);
  background: linear-gradient(to bottom right, var(--bg-body), rgba(167, 139, 250, 0.05));
}

/* Snooze button in list view */
.session-snooze-btn {
  background: rgba(251, 191, 36, 0.1);
  border-color: #e8c872;
  color: #e8c872;
}

.session-snooze-btn:hover {
  background: rgba(251, 191, 36, 0.2);
  border-color: #f59e0b;
  color: #f59e0b;
}

.session-snooze-btn .snooze-warning {
  color: #f43f5e;
  font-size: 0.7rem;
  font-weight: 800;
}

/* Card view snooze button */
.card-snooze-btn {
  margin-top: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid #e8c872;
  background: rgba(251, 191, 36, 0.1);
  color: #e8c872;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.card-snooze-btn:hover {
  background: rgba(251, 191, 36, 0.2);
}

.card-snooze-btn .snooze-warning {
  color: #f43f5e;
  font-size: 0.7rem;
  font-weight: 800;
  margin-inline-start: 0.3rem;
}

/* ─── Loading Screen ────────────────────────────────────────── */
.loading-screen {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}

.loading-screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 55vh;
}

.loading-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.loading-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.loading-bar {
  width: 100%;
  max-width: 340px;
  height: 8px;
  background: #e5e7eb;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-pill);
  margin: 0 auto 1.5rem;
  overflow: hidden;
}
[data-theme="dark"] .loading-bar,
.dark .loading-bar {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.06);
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #a78bfa, #7c3aed);
  border-radius: var(--radius-pill);
  transition: width 1.2s ease-out;
}

.loading-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  min-height: 260px;
}

/* ── New loading stages box ── */
.loading-stages-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  max-width: 320px;
  margin: 0 auto 1rem;
}

.loading-stage {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: all 0.3s;
}

.loading-stage-icon {
  flex-shrink: 0;
  width: 1.6rem;
  text-align: center;
  font-size: 1rem;
}

.loading-stage-label {
  flex: 1;
  font-weight: 600;
}

.loading-stage--active {
  color: var(--text-primary);
  font-weight: 700;
  background: rgba(167, 139, 250, 0.06);
  border: 1px solid rgba(167, 139, 250, 0.12);
}

.loading-stage--done {
  color: var(--text-secondary);
  opacity: 0.7;
}

.loading-stage--done .loading-stage-icon {
  color: #22c55e;
}

/* ── Loading status (time-based message) ── */
.loading-status {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  min-height: 1.5em;
  margin: 0.75rem 0 0.25rem;
  transition: opacity 0.3s;
}

/* ── Warning pill ── */
.loading-warning-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1.25rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #d97706;
  font-weight: 700;
  font-size: 0.8rem;
}

.loading-timer {
  font-family: 'Inter', 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-top: 0.75rem;
}

.loading-tip {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
  max-width: 380px;
  text-align: center;
  line-height: 1.7;
  transition: opacity 0.4s ease;
  margin-top: 0.75rem;
  min-height: 2.5em;
}

/* ── Multi-Chunk Progress Indicator ── */
.loading-chunk-progress {
  margin-top: 1.25rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(167, 139, 250, 0.06);
  border: 1px solid rgba(167, 139, 250, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  animation: chunkSlideIn 0.4s ease;
}

@keyframes chunkSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chunk-label {
  font-size: 0.9rem;
  font-weight: 800;
  color: #a78bfa;
}

.chunk-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.chunk-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.chunk-dot.filled {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  color: #10b981;
}

.chunk-dot.active {
  background: rgba(167, 139, 250, 0.2);
  border-color: #a78bfa;
  color: #a78bfa;
  animation: chunkPulse 1.5s ease-in-out infinite;
}

@keyframes chunkPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(167, 139, 250, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(167, 139, 250, 0); }
}

.chunk-note {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.08);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  color: #f59e0b;
}

/* Plan warnings display */
.plan-warnings {
  margin-bottom: 1.5rem;
}

.plan-warning-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.loading-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  animation: robotBounce 1.5s ease-in-out infinite;
}

@keyframes robotBounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

/* ─── Navigation Buttons ────────────────────────────────────── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.btn-primary {
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  border-color: #a78bfa;
  color: #a78bfa;
}

/* ─── Continue / New Prompt ──────────────────────────────────── */
.continue-prompt {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.continue-prompt h2 {
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.continue-prompt p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.continue-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── Error / Info Message ──────────────────────────────────── */
.error-box {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #f43f5e;
  font-weight: 700;
  font-size: 0.9rem;
  display: none;
  margin-bottom: 1rem;
  text-align: center;
}

.error-box.visible {
  display: block;
}

.error-box.info-box {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.3);
  color: #a78bfa;
}

/* ─── Plan Source Label ─────────────────────────────────────── */
.plan-source-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  margin-bottom: 0.4rem;
}

.plan-source-label.ai {
  background: rgba(167, 139, 250, 0.12);
  color: #a78bfa;
}

.plan-source-label.local {
  background: rgba(107, 114, 128, 0.12);
  color: #6b7280;
}

.plan-source-label.smart_local {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

/* ─── Step 3: Generate Buttons Layout ──────────────────────── */
.step-nav-generate {
  flex-wrap: wrap;
}

.generate-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-local-gen {
  border-color: rgba(16, 185, 129, 0.4);
  color: #10b981;
}

.btn-local-gen:hover {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

@media (max-width: 640px) {
  .generate-buttons {
    flex-direction: column;
    width: 100%;
  }

  .step-nav-generate {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }

  .step-nav-generate .btn-secondary:first-child {
    align-self: flex-start;
  }
}

/* ─── Today Banner (for index.html) ─────────────────────────── */
.today-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-xl);
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  margin-bottom: 2rem;
  cursor: pointer;
  transition: all 0.3s;
}

.today-banner:hover {
  background: rgba(167, 139, 250, 0.12);
  transform: translateY(-2px);
}

.today-banner-icon {
  font-size: 1.5rem;
}

.today-banner-text {
  flex: 1;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.today-banner-action {
  font-size: 0.8rem;
  font-weight: 800;
  color: #a78bfa;
}

/* ─── View Mode Toggle ─────────────────────────────────────── */
.view-mode-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.view-mode-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.view-mode-btn:hover {
  border-color: #a78bfa;
  color: #a78bfa;
}

.view-mode-btn.active {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #a78bfa;
}

/* ─── 3D Card View ─────────────────────────────────────────── */
.card-3d-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

.card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 480px;
}

.card-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.card-3d-toggle {
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-3d-toggle:hover {
  border-color: #a78bfa;
  color: #a78bfa;
}

/* No-3D mode: just use display toggling without any perspective */
.card-3d-scene.no-3d {
  perspective: none !important;
}

/* ─── Completed Session Styling & Animation ────────────────── */
@keyframes sessionCompletePulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(16, 185, 129, 0);
  }

  50% {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    border-color: #10b981;
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(16, 185, 129, 0);
  }
}

.card-3d-inner.completed .card-3d-front {
  background: var(--bg-elevated) !important;
  border-color: var(--border-color) !important;
  box-shadow: none !important;
}

/* Apply grayscale/opacity to everything inside EXCEPT the done button */
.card-3d-inner.completed .card-3d-front>*:not(.card-session-done-btn) {
  filter: grayscale(1);
  opacity: 0.6;
}

/* Explicitly style the Undo button to stand out */
.card-3d-inner.completed .card-session-done-btn {
  background: rgba(244, 63, 94, 0.1) !important;
  border-color: #f43f5e !important;
  color: #f43f5e !important;
}

.card-3d-inner.completed .card-session-badge {
  background: rgba(107, 114, 128, 0.15) !important;
  color: var(--text-muted) !important;
  border-color: var(--border-color) !important;
}

.card-3d-inner.completed .card-diff-fill {
  background: var(--text-muted) !important;
}

.card-3d-inner.completed .card-diff-label {
  background: transparent !important;
  color: var(--text-muted) !important;
  border-color: var(--border-color) !important;
}

.session-card.completed-animate,
.completed-animate .card-3d-front,
.completed-animate .sc-front {
  animation: sessionCompletePulse 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) forwards !important;
}

.card-3d-inner.completed-animate .card-3d-front::after,
.session-card.completed-animate::after,
.sc-card.completed-animate .sc-front::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.5);
  font-size: 5rem;
  font-weight: 900;
  color: #10b981;
  opacity: 0;
  z-index: 50;
  text-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
  animation: checkmarkStamp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  pointer-events: none;
}

@keyframes checkmarkStamp {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0;
  }

  40% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 1;
  }

  80% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }

  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

.card-3d-scene.no-3d .card-3d-inner {
  transform-style: flat !important;
}

.card-3d-scene.no-3d .card-3d-inner.flipped {
  transform: none !important;
}

.card-3d-scene.no-3d .card-3d-face {
  backface-visibility: visible !important;
  -webkit-backface-visibility: visible !important;
}

.card-3d-scene.no-3d .card-3d-inner.flipped .card-3d-front {
  display: none;
}

.card-3d-scene.no-3d .card-3d-inner:not(.flipped) .card-3d-back {
  display: none;
}

.card-3d-scene.no-3d .card-3d-back {
  position: relative;
  transform: none;
}

.card-3d-scene {
  width: 100%;
  max-width: 480px;
  height: 360px;
  perspective: 1200px;
}

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

.card-3d-inner.flipped {
  transform: rotateY(180deg);
}

[dir="ltr"] .card-3d-inner.flipped {
  transform: rotateY(-180deg);
}

.card-3d-face {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
}

.card-3d-front {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  box-shadow: 0 4px 6px -1px var(--shadow-sm);
  background-image: radial-gradient(circle at top right, rgba(167, 139, 250, 0.05) 0%, transparent 60%);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.3s ease;
}

.card-3d-inner:hover .card-3d-front {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-sm);
  border-color: rgba(167, 139, 250, 0.4);
}

.card-session-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.card-3d-back {
  background: var(--bg-card);
  border: 1px solid #a78bfa;
  transform: rotateY(180deg);
  gap: 0.5rem;
  overflow-y: auto;
  box-shadow: 0 10px 30px -10px var(--shadow-base);
  background-image: radial-gradient(circle at top right, rgba(167, 139, 250, 0.05) 0%, transparent 60%);
}

[dir="ltr"] .card-3d-back {
  transform: rotateY(-180deg);
}

.card-day-label {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 420px;
  gap: 0.5rem;
}

.card-day-label.today {
  color: #a78bfa;
}

.card-today-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(167, 139, 250, 0.12);
  color: #a78bfa;
  white-space: nowrap;
  flex-shrink: 0;
}



.card-session-badge.easy {
  background: #10b981;
  color: #ffffff;
  border: 1px solid #059669;
}

.card-session-badge.medium {
  background: #f59e0b;
  color: #ffffff;
  border: 1px solid #d97706;
}

.card-session-badge.hard {
  background: #f43f5e;
  color: #ffffff;
  border: 1px solid #e11d48;
}

.card-session-badge.critical {
  background: #9f1239;
  color: #ffffff;
  border: 1px solid #881337;
}

.card-course-name {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.card-course-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.card-difficulty {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 100%;
  max-width: 280px;
}

.card-diff-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.card-diff-label {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
  white-space: nowrap;
  border: 1px solid transparent;
}

.card-diff-label.easy {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
}

.card-diff-label.medium {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.3);
}

.card-diff-label.hard {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
  border-color: rgba(244, 63, 94, 0.3);
}

.card-diff-label.critical {
  background: rgba(159, 18, 57, 0.15);
  color: #9f1239;
  border-color: rgba(159, 18, 57, 0.3);
}

.card-diff-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.4s ease;
}

.card-diff-fill.easy {
  background: #10b981;
}

.card-diff-fill.medium {
  background: #f59e0b;
}

.card-diff-fill.hard {
  background: #f43f5e;
}

.card-diff-fill.critical {
  background: #9f1239;
}

.card-tip {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 480px;
  align-self: center;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  margin-top: 1rem;
}

[dir="rtl"] .card-tip {
  border-left: none;
  border-right: 3px solid var(--brand-500);
}

.card-flip-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 0.2s;
}



/* Card Back */
.card-back-title {
  font-weight: 900;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

.card-back-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.card-back-section {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 0.75rem;
}

.card-back-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* Card Navigation */
.card-nav {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.card-nav-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.card-nav-btn:hover:not(:disabled) {
  border-color: #a78bfa;
  color: #a78bfa;
}

.card-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.card-nav-btn.card-done-btn {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10b981;
  color: #10b981;
}

.card-nav-btn.card-done-btn:hover {
  background: rgba(16, 185, 129, 0.2);
}

/* ─── Per-Session 3D Card Styles ──────────────────────────── */

/* Hide 3D toggle on desktop — always 3D on desktop */
.card-3d-toggle {
  display: none;
}

/* Day Header (above session cards) */
.card-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 620px;
}

.card-day-label-group {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  text-align: start;
}

.card-day-date {
  display: none;
  /* Hide duplicated date on cards as requested */
}

.card-day-header.today {
  border-color: #a78bfa;
  background: rgba(167, 139, 250, 0.08);
}

.card-day-text {
  font-weight: 900;
  font-size: 1rem;
  color: var(--text-primary);
}

.card-day-header .card-today-badge {
  display: inline-block;
  margin-inline-start: 0.5rem;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
  font-size: 0.75rem;
  font-weight: 800;
}

/* ─── Day-Type Badges ──────────────────────────────────────── */
.day-type-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-top: 0.15rem;
}

.exam-badge {
  background: rgba(244, 63, 94, 0.12);
  color: #f43f5e;
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.golden-badge {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.review-badge {
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

/* Day header tint for special day types */
.card-day-header.day-type-exam {
  border-color: rgba(244, 63, 94, 0.4);
  background: rgba(244, 63, 94, 0.06);
}

.card-day-header.day-type-golden {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.06);
}

/* ─── Snooze Button (Phase 2) ──────────────────────────────── */
.card-snooze-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: #e8c872;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  margin-top: 0.25rem;
}

.card-snooze-btn:hover {
  background: rgba(251, 191, 36, 0.2);
  border-color: #e8c872;
  transform: translateY(-1px);
}

.snooze-warning {
  color: #f43f5e;
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

/* ─── Course Progress Bars (Phase 3) ───────────────────────── */
.course-progress-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

.course-progress-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.course-progress-name {
  min-width: 100px;
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-progress-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-elevated);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.course-progress-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #a78bfa, #818cf8);
  transition: width 0.4s ease;
}

.course-progress-fill.near-exam {
  background: linear-gradient(90deg, #f59e0b, #f97316);
}

.course-progress-fill.exam-passed {
  background: linear-gradient(90deg, #10b981, #059669);
}

.course-progress-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .course-progress-item {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .course-progress-name {
    min-width: 80px;
    font-size: 0.75rem;
  }

  .course-progress-bar {
    flex-basis: 100%;
    order: 3;
  }
}

/* ═══ Session Cards — garden.css flashcard engine ══════════════
   Mirrors .flashcard-scene / .flashcard-card / .flashcard-face
   pattern for identical 3D behaviour across the project.
   ════════════════════════════════════════════════════════════════ */

.session-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 620px;
}

/* ── Scene (perspective container) ── */
.sc-scene {
  perspective: 1500px;
  width: 100%;
  min-height: var(--sc-h, 280px);
}

/* ── Card (rotating element) ── */
.sc-card {
  display: grid;
  grid-template-areas: "card";
  width: 100%;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.5s ease;
  -webkit-transition: -webkit-transform 0.5s ease;
  cursor: pointer;
}

.sc-card.flipped {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

[dir="ltr"] .sc-card.flipped {
  transform: rotateY(-180deg);
  -webkit-transform: rotateY(-180deg);
}

/* ── Face (shared base) ── */
.sc-face {
  grid-area: card;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at top right, rgba(167, 139, 250, 0.05) 0%, transparent 60%);
}

.sc-face:hover {
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: 0 4px 12px var(--shadow-sm);
}

/* ── Front face ── */
.sc-front {
  z-index: 2;
  gap: 0.75rem;
}

/* ── Golden Review Card (front) ── */
.sc-front--golden {
  background: linear-gradient(145deg, #fefce8 0%, #fef9c3 40%, #ffffff 100%);
  border: 1.5px solid rgba(202, 138, 4, 0.25);
  gap: 0.5rem;
}
[data-theme="dark"] .sc-front--golden, .dark .sc-front--golden, [data-theme="night"] .sc-front--golden, .night .sc-front--golden, [data-theme="dim"] .sc-front--golden {
  background: linear-gradient(145deg, rgba(202, 138, 4, 0.06) 0%, rgba(161, 98, 7, 0.03) 100%);
  border-color: rgba(202, 138, 4, 0.18);
}

.golden-card-header { width: 100%; display: flex; justify-content: center; }
.golden-card-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.35rem 1rem; font-size: 0.85rem; font-weight: 800;
  color: #854d0e; background: rgba(202, 138, 4, 0.12);
  border: 1px solid rgba(202, 138, 4, 0.22); border-radius: var(--radius-pill);
}
[data-theme="dark"] .golden-card-badge, .dark .golden-card-badge, [data-theme="night"] .golden-card-badge, .night .golden-card-badge, [data-theme="dim"] .golden-card-badge {
  color: #e8c872; background: rgba(202, 138, 4, 0.1);
  border-color: rgba(202, 138, 4, 0.2);
}

.golden-card-course {
  font-size: 1.1rem; font-weight: 900; color: #854d0e;
  letter-spacing: 0.02em; margin-top: 0.25rem;
}
[data-theme="dark"] .golden-card-course, .dark .golden-card-course, [data-theme="night"] .golden-card-course, .night .golden-card-course, [data-theme="dim"] .golden-card-course { color: #e8c872; }

.golden-card-name { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.golden-card-modules { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }

.golden-card-msg {
  font-size: 0.85rem; font-weight: 600; color: #92400e;
  text-align: center; line-height: 1.6; padding: 0.5rem 0.75rem;
  background: rgba(202, 138, 4, 0.06); border-radius: var(--radius-sm);
}
[data-theme="dark"] .golden-card-msg, .dark .golden-card-msg, [data-theme="night"] .golden-card-msg, .night .golden-card-msg, [data-theme="dim"] .golden-card-msg {
  color: #d4b06a; background: rgba(202, 138, 4, 0.05);
}

.golden-review-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.5rem 1.2rem; font-size: 0.88rem; font-weight: 800;
  color: #854d0e; background: rgba(202, 138, 4, 0.1);
  border: 1.5px solid rgba(202, 138, 4, 0.25); border-radius: var(--radius-md);
  text-decoration: none; cursor: pointer; transition: all 0.2s;
}
.golden-review-btn:hover { background: rgba(202, 138, 4, 0.18); border-color: rgba(202, 138, 4, 0.4); }
[data-theme="dark"] .golden-review-btn, .dark .golden-review-btn, [data-theme="night"] .golden-review-btn, .night .golden-review-btn, [data-theme="dim"] .golden-review-btn {
  color: #e8c872; background: rgba(202, 138, 4, 0.08);
  border-color: rgba(202, 138, 4, 0.2);
}
[data-theme="dark"] .golden-review-btn:hover, .dark .golden-review-btn:hover, [data-theme="night"] .golden-review-btn:hover, .night .golden-review-btn:hover, [data-theme="dim"] .golden-review-btn:hover {
  background: rgba(202, 138, 4, 0.15); border-color: rgba(202, 138, 4, 0.3);
}

/* ── Golden list view ── */
.session-card--golden {
  border-inline-start: 3px solid #ca8a04;
  background: linear-gradient(135deg, #fefce8 0%, #fff 100%);
}
[data-theme="dark"] .session-card--golden, .dark .session-card--golden, [data-theme="night"] .session-card--golden, .night .session-card--golden, [data-theme="dim"] .session-card--golden {
  border-inline-start-color: rgba(202, 138, 4, 0.4);
  background: linear-gradient(135deg, rgba(202, 138, 4, 0.04) 0%, transparent 100%);
}

.golden-course-title { font-weight: 800 !important; color: #854d0e !important; }
[data-theme="dark"] .golden-course-title, .dark .golden-course-title, [data-theme="night"] .golden-course-title, .night .golden-course-title, [data-theme="dim"] .golden-course-title { color: #e8c872 !important; }

.golden-motivational-sm {
  font-size: 0.82rem; font-weight: 600; color: #92400e;
  padding: 0.35rem 0.6rem; background: rgba(202, 138, 4, 0.06);
  border-radius: var(--radius-sm); line-height: 1.5; margin-bottom: 0.4rem;
}
[data-theme="dark"] .golden-motivational-sm, .dark .golden-motivational-sm, [data-theme="night"] .golden-motivational-sm, .night .golden-motivational-sm, [data-theme="dim"] .golden-motivational-sm {
  color: #d4b06a; background: rgba(202, 138, 4, 0.04);
}

.golden-review-btn-sm {
  color: #854d0e !important; background: rgba(202, 138, 4, 0.08) !important;
  border-color: rgba(202, 138, 4, 0.2) !important; font-weight: 700 !important;
}
.golden-review-btn-sm:hover { background: rgba(202, 138, 4, 0.15) !important; }
[data-theme="dark"] .golden-review-btn-sm, .dark .golden-review-btn-sm, [data-theme="night"] .golden-review-btn-sm, .night .golden-review-btn-sm, [data-theme="dim"] .golden-review-btn-sm {
  color: #e8c872 !important; background: rgba(202, 138, 4, 0.06) !important;
  border-color: rgba(202, 138, 4, 0.15) !important;
}

.session-badge.golden {
  background: rgba(202, 138, 4, 0.1) !important; color: #854d0e !important;
  border-color: rgba(202, 138, 4, 0.22) !important; font-weight: 800;
}
[data-theme="dark"] .session-badge.golden, .dark .session-badge.golden, [data-theme="night"] .session-badge.golden, .night .session-badge.golden, [data-theme="dim"] .session-badge.golden {
  color: #e8c872 !important; background: rgba(202, 138, 4, 0.08) !important;
  border-color: rgba(202, 138, 4, 0.18) !important;
}

.sc-card.completed .sc-front {
  opacity: 0.6;
  border-color: var(--border-color);
  background: repeating-linear-gradient(45deg,
      transparent,
      transparent 10px,
      rgba(167, 139, 250, 0.03) 10px,
      rgba(167, 139, 250, 0.03) 20px) var(--bg-card);
  box-shadow: none;
}

.sc-card.completed .sc-front .card-course-name,
.sc-card.completed .sc-front .card-course-subtitle,
.sc-card.completed .sc-front .card-session-badge {
  text-decoration: line-through;
  color: var(--text-muted) !important;
}

/* ── Back face ── */
.sc-back {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  text-align: start;
  align-items: flex-start;
  overflow: hidden;
  /* scrolling is on sc-back-body */
  z-index: 1;
  /* Normally behind front */
}

/* Elevate flipped card above others in list */
.sc-card.flipped {
  z-index: 10;
}

.sc-card.flipped .sc-back {
  z-index: 3;
}

[dir="ltr"] .sc-back {
  transform: rotateY(-180deg);
  -webkit-transform: rotateY(-180deg);
}

/* Scrollable content area inside back — keeps card height fixed */
.sc-back-body {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-bottom: 0.25rem;
  /* thin scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(167, 139, 250, 0.3) transparent;
}

.sc-back-body::-webkit-scrollbar {
  width: 4px;
}

.sc-back-body::-webkit-scrollbar-track {
  background: transparent;
}

.sc-back-body::-webkit-scrollbar-thumb {
  background: rgba(167, 139, 250, 0.3);
  border-radius: 2px;
}

/* ── Flip hint (text only, no interaction) ── */
.sc-hint {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  opacity: 0.65;
  pointer-events: none;
  cursor: default;
  letter-spacing: 0.01em;
  flex-shrink: 0;
  text-align: center;
  width: 100%;
}

/* ── mobile-3d-off mode (mirrors garden.css .mobile-3d-off) ── */
.mobile-3d-off .sc-card {
  transform: none !important;
  -webkit-transform: none !important;
  transform-style: flat !important;
  min-height: unset;
}

.mobile-3d-off .sc-face {
  position: relative !important;
  min-height: unset !important;
  backface-visibility: visible !important;
  -webkit-backface-visibility: visible !important;
  transform: none !important;
  -webkit-transform: none !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
}

.mobile-3d-off .sc-card .sc-back {
  display: none;
}

.mobile-3d-off .sc-card.flipped .sc-front {
  display: none;
}

.mobile-3d-off .sc-card.flipped .sc-back {
  display: flex;
}

.mobile-3d-off .sc-scene {
  min-height: unset;
}

/* Card Flip Hint — informational guide text only, not interactive */
.card-flip-hint {
  margin-top: auto;
  padding-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: default;
  pointer-events: none;
  opacity: 0.7;
  letter-spacing: 0.01em;
}

/* Card Back Content */
.card-back-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.session-card {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
  transition: all 0.2s;
}

.session-card:last-child {
  margin-bottom: 0;
}

.session-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 20px -5px var(--shadow-base);
}

.session-card {
  position: relative;
  /* necessary for the checkmark ::after positioning */
}

/* ─── List View Completed Session Styling ──────────────────── */
.session-card.completed {
  background: var(--bg-elevated) !important;
  border-color: var(--border-color) !important;
  box-shadow: none !important;
}

/* Grayscale inner text/badges */
.session-card.completed>*:not(.session-actions) {
  filter: grayscale(1);
  opacity: 0.6;
}

/* Override purely for the Actions container to keep it immune */
.session-card.completed .session-actions {
  filter: none;
  opacity: 1;
}

.session-card.completed .session-badge {
  background: rgba(107, 114, 128, 0.15) !important;
  color: var(--text-muted) !important;
  border-color: var(--border-color) !important;
}

/* Ensure Undo button remains fully styled */
.session-card.completed .session-complete-btn {
  background: rgba(244, 63, 94, 0.1) !important;
  border-color: #f43f5e !important;
  color: #f43f5e !important;
}

.card-back-session-block {
  padding: 0.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.card-back-session-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

/* Card Session Items (reused classes from old system) */
.card-session-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.card-diff-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.card-course-name {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.card-course-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.card-difficulty {
  max-width: 100%;
  margin-bottom: 0.35rem;
}

.card-session-done-btn {
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid #10b981;
  color: #10b981;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  margin-top: 0.25rem;
}

.card-session-done-btn:hover {
  background: rgba(16, 185, 129, 0.2);
}

/* ─── Mobile 3D Card Support ───────────────────────────────── */
@media (max-width: 640px) {

  /* Show 3D toggle ONLY on mobile */
  .card-3d-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
  }

  .card-3d-toggle:hover {
    border-color: #a78bfa;
    color: #a78bfa;
  }

  .sc-face {
    padding: 0.85rem 1rem;
  }

  .card-nav-btn {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
  }

  .session-cards-list {
    max-width: 100%;
  }

  .card-course-name {
    font-size: 0.9rem;
  }

  .card-day-header {
    max-width: 100%;
  }
}

/* 3D fallback for devices that don't support perspective well */
/* 3D fallback handled by .mobile-3d-off via JS toggle */

/* ─── Plan Header & List View Styles ────────────────────────── */
.plan-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px var(--shadow-sm);
}

.plan-header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.plan-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.plan-header-left h2 {
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0;
  color: var(--text-primary);
}

.plan-source-label {
  display: inline-block;
  align-self: flex-start;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
}

.plan-source-label.ai {
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
}

.plan-source-label.smart_local {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.plan-source-label.local {
  background: rgba(107, 114, 128, 0.15);
  color: var(--gray-400);
}

.plan-header-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* VERY IMPORTANT: Fixing Mobile Button Overflow */
.plan-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.plan-action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-pdf {
  background: rgba(244, 63, 94, 0.1);
  color: #f43f5e;
}

.btn-pdf:hover {
  background: rgba(244, 63, 94, 0.2);
}

.btn-regenerate {
  background: rgba(167, 139, 250, 0.1);
  color: #a78bfa;
}

.btn-regenerate:hover {
  background: rgba(167, 139, 250, 0.2);
}

.btn-new-plan {
  background: rgba(251, 191, 36, 0.1);
  color: #e8c872;
}

.btn-new-plan:hover {
  background: rgba(251, 191, 36, 0.2);
}

/* Strategy Bar */
.plan-strategy-bar {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  background: rgba(167, 139, 250, 0.05);
  border-left: 4px solid #a78bfa;
  border-radius: var(--radius-md);
}

.plan-strategy-icon {
  font-size: 1.25rem;
}

.plan-header-strategy {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* View Mode Toggles */
.view-mode-toggle {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.view-mode-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-mode-btn:hover {
  background: var(--bg-hover);
}

.view-mode-btn.active {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #a78bfa;
}

/* ─── List View Structure ─── */
.week-section {
  margin-bottom: 3rem;
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
}

.week-label {
  font-size: 1.25rem;
  font-weight: 900;
  color: #a78bfa;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px dashed var(--border-color);
}

.day-section {
  margin-bottom: 2rem;
}

.day-section:last-child {
  margin-bottom: 0;
}

.day-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.day-label {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.day-status {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
}

.day-status.today {
  background: rgba(251, 191, 36, 0.15);
  color: #e8c872;
}

.day-status.completed {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

/* List View specific Session Cards */
.session-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.3s ease;
}

.session-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-sm);
  border-color: rgba(167, 139, 250, 0.4);
}

.session-card.completed {
  opacity: 0.6;
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.05);
}

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

.session-badge {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.75rem;
  color: #fff;
}

.session-badge.easy {
  background: #10b981;
}

.session-badge.medium {
  background: #f59e0b;
}

.session-badge.hard {
  background: #f97316;
}

.session-badge.critical {
  background: #e11d48;
}

.session-difficulty {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  font-family: monospace;
}

.session-course {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.session-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.session-link-alert {
  background: rgba(251, 191, 36, 0.1);
  color: #e8c872;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}

.session-actions {
  margin-top: 0.5rem;
}

.session-action-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.session-complete-btn {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.session-complete-btn:hover {
  background: rgba(16, 185, 129, 0.2);
}

@media (max-width: 640px) {
  .plan-header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .plan-action-btn {
    flex: 1;
    justify-content: center;
  }
}

/* ─── Print Styles ──────────────────────────────────────────── */
@media print {
  @page {
    size: A4 portrait;
    margin: 15mm;
  }

  body * {
    visibility: hidden;
  }

  #print-container,
  #print-container * {
    visibility: visible;
  }

  #print-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #ddd;
    font-size: 12pt;
    margin-bottom: 20px;
  }

  th,
  td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: right;
    /* Assuming Arabic RTL by default */
  }

  th {
    background-color: #f5f3ff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    font-weight: bold;
    color: #333;
  }

  thead {
    display: table-header-group;
  }

  tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }

  /* Custom Print Header classes */
  .print-header-area {
    text-align: center;
    margin-bottom: 20mm;
    border-bottom: 2px solid #a78bfa;
    padding-bottom: 10mm;
  }

  .print-header-area h1 {
    font-size: 24pt;
    font-weight: 900;
    color: #111;
    margin-bottom: 5px;
  }

  .print-header-area p {
    font-size: 12pt;
    color: #555;
    margin: 2px 0;
  }

  .print-footer-area {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 10pt;
    color: #777;
    border-top: 1px solid #eee;
    padding-top: 5mm;
  }

  .planner-header,
  .wizard-progress,
  .step-nav,
  .session-actions,
  .plan-header-actions,
  .today-banner,
  .view-mode-toggle,
  .card-nav,
  .card-flip-hint,
  .error-box,
  .card-3d-container {
    display: none !important;
  }
}