/* ========================================================================
   STYLE.CSS — Aussie Leave Calculator v2
   Single stylesheet. Berries-and-Cream palette. Light mode only.
   Palette: #dfc594, #f0e2bf, #6f3d45, #3f1847, #b29176
   ======================================================================== */

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; }
a { text-decoration: none; }

/* ========== TOKENS ========== */
:root {
  /* Palette */
  --cream-light:  #f0e2bf;
  --cream-mid:    #dfc594;
  --cream-dark:   #b29176;
  --berry-mid:    #6f3d45;
  --berry-deep:   #3f1847;

  /* Derived surfaces */
  --bg-page:      #f0e2bf;
  --bg-card:      #faf3e6;
  --bg-card-hover:#f5edd8;
  --bg-hero:      linear-gradient(160deg, #3f1847 0%, #6f3d45 50%, #8b4f58 100%);
  --bg-footer:    #3f1847;

  /* Ink */
  --ink-main:     #2c1a2e;
  --ink-soft:     #5a3d5c;
  --ink-muted:    #8a6e8c;
  --ink-on-dark:  #f0e2bf;
  --ink-on-hero:  #fff8ee;

  /* Accent */
  --accent:       #8b2252;
  --accent-hover: #a52d63;
  --accent-bg:    rgba(139, 34, 82, 0.08);

  /* Borders */
  --border:       #d4c4a0;
  --border-light: #e8ddd0;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(63, 24, 71, 0.06);
  --shadow-md: 0 4px 12px rgba(63, 24, 71, 0.1);
  --shadow-lg: 0 8px 24px rgba(63, 24, 71, 0.14);

  /* Calendar */
  --cal-weekend:   #ede0c8;
  --cal-holiday:   #c8dfc0;
  --cal-leave:     #e8c0cc;
  --cal-block:     #d8c4e0;
  --cal-today:     #c4d8e8;
  --cal-school:    #d4e8cc;

  /* Feedback */
  --success:    #2e6b3a;
  --success-bg: #e6f4ea;
  --error:      #a81e2d;
  --error-bg:   #fde8ea;

  /* Typography */
  --font-body:  "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:  "Cascadia Code", "Fira Code", monospace;

  /* Layout */
  --container-max: 1100px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* ========== BASE TYPOGRAPHY ========== */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--berry-deep);
}
h1 { font-size: 2.2rem; font-weight: 700; }
h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: var(--space-md); }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: var(--space-sm); }

p { margin-bottom: var(--space-md); }

a { color: var(--accent); }
a:hover { color: var(--accent-hover); text-decoration: underline; }

small, .text-muted { color: var(--ink-muted); font-size: 0.875rem; }

/* ========== LAYOUT ========== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-2xl) 0;
}

.content-column {
  max-width: 760px;
  margin: 0 auto;
}

/* ========== HEADER ========== */
.header {
  background: var(--berry-deep);
  color: var(--ink-on-dark);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(63, 24, 71, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header-logo {
  color: var(--ink-on-dark);
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  white-space: nowrap;
}
.header-logo:hover { color: var(--cream-light); text-decoration: none; }

.logo-icon { font-size: 1.4rem; }

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-nav a {
  color: var(--cream-mid);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.header-nav a:hover { color: #fff; text-decoration: none; }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; color: var(--ink-on-dark); font-size: 1.5rem; }

@media (max-width: 700px) {
  .nav-toggle { display: block; }
  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--berry-deep);
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
  }
  .header-nav.open { display: flex; }
  .header-inner { flex-wrap: wrap; }
}

/* ========== HERO ========== */
.hero {
  background: var(--bg-hero);
  color: var(--ink-on-hero);
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.hero h1 {
  color: #fff;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-sub {
  color: var(--cream-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.92;
}

/* ========== CARDS ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

/* ========== CALCULATOR FORM ========== */
.calculator-card {
  padding: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
  color: var(--berry-deep);
}

.form-select, .form-input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink-main);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 34, 82, 0.12);
}

.form-help {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: var(--space-xs);
}

/* ========== STRATEGY CARDS ========== */
.strategy-section {
  margin-bottom: var(--space-lg);
}

.strategy-section legend {
  font-weight: 700;
  font-size: 1rem;
  color: var(--berry-deep);
  margin-bottom: var(--space-md);
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (max-width: 560px) {
  .strategy-grid { grid-template-columns: 1fr; }
}

.strategy-card {
  position: relative;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  text-align: left;
}

.strategy-card:hover {
  border-color: var(--cream-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.strategy-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 34, 82, 0.15), var(--shadow-md);
  background: rgba(139, 34, 82, 0.04);
}

.strategy-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.strategy-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
}

.strategy-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--berry-deep);
  margin-bottom: var(--space-xs);
}

.strategy-desc {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* ========== TOGGLE SWITCH ========== */
.toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--accent-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 12px;
  transition: background 0.2s;
  cursor: pointer;
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--berry-deep);
}

.toggle-desc {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* ========== ACCUMULATION HELPER ========== */
.accumulation-helper {
  margin-bottom: var(--space-lg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accumulation-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-card-hover);
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}

.accumulation-toggle::after {
  content: "\25BC";
  font-size: 0.7rem;
  transition: transform 0.2s;
}

.accumulation-toggle.open::after {
  transform: rotate(180deg);
}

.accumulation-body {
  display: none;
  padding: var(--space-md);
  background: var(--bg-card);
}

.accumulation-body.open { display: block; }

.accumulation-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.accumulation-result {
  padding: var(--space-sm) var(--space-md);
  background: var(--success-bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--success);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: linear-gradient(135deg, var(--berry-mid), var(--accent));
  color: #fff;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background: var(--bg-card);
  color: var(--berry-deep);
  border: 1.5px solid var(--border);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn--large {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: 1.05rem;
}

/* ========== RESULTS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: var(--space-xs);
}

.result-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.result-block-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.result-block-dates {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--berry-deep);
}

.result-block-badge {
  background: var(--accent);
  color: #fff;
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.result-block-detail {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.result-holidays {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.holiday-tag {
  background: var(--cal-holiday);
  color: var(--success);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.school-tag {
  background: var(--cal-school);
  color: #2e6b3a;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.output-actions {
  margin-top: var(--space-xl);
}

.output-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* ========== CALENDAR ========== */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.calendar-month {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.calendar-month-title {
  text-align: center;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: var(--space-xs);
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.calendar-day {
  text-align: center;
  font-size: 0.75rem;
  padding: 4px 2px;
  border-radius: 3px;
  line-height: 1.4;
}

.calendar-day.weekend  { background: var(--cal-weekend); color: var(--ink-muted); }
.calendar-day.holiday  { background: var(--cal-holiday); color: var(--success); font-weight: 600; }
.calendar-day.leave    { background: var(--cal-leave); color: var(--accent); font-weight: 600; }
.calendar-day.today    { background: var(--cal-today); font-weight: 700; outline: 2px solid var(--accent); outline-offset: -1px; }
.calendar-day.past     { opacity: 0.4; }
.calendar-day.empty    { background: transparent; }

/* Calendar legend */
.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

/* ========== AD SLOTS ========== */
.ad-placeholder {
  padding: var(--space-lg) 0;
}

.ad-slot {
  background: var(--bg-card-hover);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

/* ========== FAQ ========== */
.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--berry-deep);
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: var(--space-md);
  transition: transform 0.2s;
}

.faq-question[aria-expanded="true"]::after {
  content: "\2212";
}

.faq-answer {
  display: none;
  padding: 0 0 var(--space-md);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.faq-answer[aria-hidden="false"] {
  display: block;
}

/* ========== SOURCES TABLE ========== */
.sources-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.9rem;
}

.sources-table th {
  background: var(--berry-deep);
  color: var(--ink-on-dark);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: 600;
}

.sources-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.sources-table tr:nth-child(even) td {
  background: var(--bg-card);
}

/* ========== STATE CARDS ========== */
.state-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.state-cards .card h3 {
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

/* ========== DISCLAIMER ========== */
.disclaimer-section {
  background: #fdf6ee;
  border-top: 2px solid var(--border);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--bg-footer);
  color: var(--cream-mid);
  padding: var(--space-xl) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
}

.footer-links a {
  color: var(--cream-mid);
  font-size: 0.85rem;
}
.footer-links a:hover { color: #fff; text-decoration: underline; }

.footer-copy {
  font-size: 0.8rem;
  color: var(--cream-dark);
}

/* ========== FORM ERROR ========== */
.form-error {
  background: var(--error-bg);
  color: var(--error);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

/* ========== LOADING ========== */
.loading-shimmer {
  padding: var(--space-xl);
  text-align: center;
  font-size: 1.1rem;
  color: var(--ink-muted);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========== UTILITY ========== */
.hidden { display: none !important; }
.text-center { text-align: center; }

/* ========== LEGAL PAGES ========== */
.legal-page {
  padding: var(--space-2xl) 0;
}

.legal-page h1 {
  margin-bottom: var(--space-lg);
}

.legal-page h2 {
  margin-top: var(--space-xl);
}

.legal-page p, .legal-page li {
  color: var(--ink-soft);
}

.legal-page ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.legal-page li {
  margin-bottom: var(--space-sm);
}

/* ========== PRINT ========== */
@media print {
  .header, .footer, .ad-placeholder, .output-actions, .hero,
  #calculator, .nav-toggle, .faq-question::after { display: none !important; }

  body { background: #fff; color: #000; font-size: 11pt; }

  .card, .result-block, .stat-card, .calendar-month {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }

  .calendar-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

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