/* ============================================================
   Mishnayos Completion Tracker — styles.css
   Clean modern CSS, no frameworks, fully responsive
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg: #f5f6fa;
  --color-surface: #ffffff;
  --color-border: #d1d5db;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #64748b;
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverted: #ffffff;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-hebrew: "David", "FrankRuehl", "Tahoma", serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --transition: 200ms ease;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Hebrew language overrides */
body.lang-he {
  font-family: var(--font-hebrew);
  direction: rtl;
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
  padding-block: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  flex: 1;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-primary);
  color: var(--color-text-inverted);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
  padding-block: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

#app-title {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.title-he {
  font-family: var(--font-hebrew);
  font-size: 0.85em;
  opacity: 0.85;
}

.header-controls {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--color-primary);
}

/* ---------- Card ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-light);
  color: var(--color-primary-dark);
}

.section-desc {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverted);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

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

/* ---------- Form Elements ---------- */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

legend {
  font-weight: 600;
  padding-inline: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.radio-group {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: 0.9rem;
}

.radio-label input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.input-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
}

.input-panel label {
  font-weight: 600;
  font-size: 0.9rem;
}

.input-panel input[type="date"],
.input-panel input[type="number"] {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
}

.input-panel input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.input-panel input.invalid {
  border-color: var(--color-danger);
}

.hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.error-msg {
  font-size: 0.85rem;
  color: var(--color-danger);
  font-weight: 500;
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ---------- Masechtos Grid ---------- */
.masechtos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.mesechta-card {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--color-bg);
}

.mesechta-card:has(input:focus-within) {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.mesechta-card.completed {
  border-color: var(--color-success);
  background: var(--color-success-light);
}

.mesechta-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.mesechta-name-he {
  font-family: var(--font-hebrew);
  font-size: 1.05rem;
}

.mesechta-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.mesechta-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--spacing-xs);
}

.mesechta-input-wrap label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.mesechta-input-wrap input[type="number"] {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
  transition: border-color var(--transition);
}

.mesechta-input-wrap input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.mesechta-mini-bar-wrap {
  height: 5px;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-top: var(--spacing-xs);
}

.mesechta-mini-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: width 300ms ease;
}

.mesechta-card.completed .mesechta-mini-bar-fill {
  background: var(--color-success);
}

/* ---------- Progress Summary (inside settings card) ---------- */
.progress-summary {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0 0;
  border-top: 1px solid var(--color-border);
}

.progress-summary p {
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.progress-bar-wrap {
  height: 12px;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-success) 100%);
  border-radius: var(--radius-pill);
  transition: width 400ms ease;
}

/* ---------- Schedule Summary Header ---------- */
.schedule-heading {
  font-size: 0.95rem !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted) !important;
  border-bottom-color: transparent !important;
  margin-bottom: var(--spacing-sm) !important;
  padding-bottom: 0 !important;
}

.schedule-header-section {
  padding-block: var(--spacing-md);
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-sm);
}

.stat-card {
  background: var(--color-primary-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
}

.stat-card h3 {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

/* ---------- Seder group header row inside table ---------- */
tr.seder-group-header td {
  background: var(--color-primary);
  color: var(--color-text-inverted);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--spacing-xs) var(--spacing-md);
  border-top: none;
}

tr.seder-group-header--subsequent td {
  border-top: 3px solid var(--color-primary-dark);
}

/* ---------- Table Shared Styles ---------- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  position: sticky;
  top: 0;
}

th {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 700;
  text-align: start;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  vertical-align: middle;
}

tbody tr:hover {
  background: var(--color-bg);
}

tr.row-completed td {
  background: var(--color-success-light);
  color: var(--color-success);
}

tr.row-today td {
  background: var(--color-warning-light);
  font-weight: 700;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-done {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-partial {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-pending {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ---------- Hidden Utility ---------- */
[hidden] {
  display: none !important;
}

/* ---------- Language Spans ---------- */
/* Visibility is controlled via the HTML `hidden` attribute,
   toggled by applyLanguage() in app.js. No CSS rules needed. */

/* ---------- Responsive Breakpoints ---------- */
@media (max-width: 768px) {
  .card {
    padding: var(--spacing-md);
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .stat-cards {
    grid-template-columns: 1fr 1fr;
  }

  .radio-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .masechtos-grid {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .masechtos-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Seder Disclosure (expandable goal rows) ---------- */
.seder-goals-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.seder-disclosure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.seder-disclosure-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
}

.seder-goal-label {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  gap: var(--spacing-sm);
}

.seder-progress-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 6ch;
  text-align: end;
}

.seder-toggle-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 10px;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1.4;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.seder-toggle-btn:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.toggle-icon {
  display: inline-block;
  transition: transform var(--transition);
}

.seder-toggle-btn[aria-expanded="true"] .toggle-icon {
  transform: rotate(180deg);
}

.seder-mini-bar-wrap {
  height: 4px;
  background: var(--color-border);
}

.seder-mini-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-success) 100%);
  transition: width 300ms ease;
}

.seder-masechtos {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* ---------- Mesechta card: mark-complete row ---------- */
.mesechta-complete-wrap {
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
}

/* ---------- Calculation Summary Callout ---------- */
.calc-summary {
  background: var(--color-primary-light);
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
  color: var(--color-primary-dark);
}

.calc-summary strong {
  font-size: 1.1rem;
}

/* ---------- Print / PDF styles ---------- */
@media print {
  /* Hide everything except the schedule header and mesechta table */
  .site-header,
  .settings-section,
  .site-footer,
  .header-controls,
  #export-pdf,
  .btn {
    display: none !important;
  }

  body {
    background: white;
    font-size: 11pt;
  }

  .container {
    padding: 0;
    gap: 16pt;
  }

  .card {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }

  /* Schedule header is first; no page break needed before it */
  .schedule-header-section {
    break-before: avoid;
  }

  /* Mesechta table follows on same page flow */
  .mesechta-dates-section {
    break-before: avoid;
  }

  .stat-cards {
    grid-template-columns: repeat(4, 1fr);
  }

  table {
    font-size: 9pt;
  }

  tr.seder-group-header td {
    background: #1d4ed8 !important;
    color: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  tr.seder-group-header--subsequent td {
    border-top: 3px solid #1e3a8a !important;
  }

  /* Always show result sections regardless of [hidden] attribute */
  #schedule-section,
  #mesechta-dates-section {
    display: block !important;
  }

  a[href]::after {
    content: none;
  }
}