/* HeatShield Production Stylesheet
   Mobile-first, high contrast light theme for outdoor sunlight readability.
   Internal rule: no text below 14 px (footer 13 px); targeting WCAG 2.1 AA, checklist in the repository; no compliance claim. Max width 860px centered single-column layout. */

:root {
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-sub: #64748b;
  
  --primary: #0369a1;
  --primary-hover: #075985;
  --primary-bg: #e0f2fe;

  --tier-below: #475569;
  --tier-caution: #b45309;
  --tier-extreme-caution: #c2410c;
  --tier-danger: #b91c1c;
  --tier-extreme-danger: #991b1b;

  --success: #15803d;
  --focus-ring: #0284c7;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Icons via SVG symbol */
.icon {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  stroke: currentColor;
  flex-shrink: 0;
}

.icon-lg {
  width: 28px;
  height: 28px;
}

.icon-xl {
  width: 36px;
  height: 36px;
}

.icon-inline {
  display: inline-block;
  margin-right: 4px;
}

/* Header */
.app-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--border-color);
  padding: 1rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-content {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 0.875rem; /* 14px */
  font-weight: 700;
  border: 1px solid var(--border-color);
}

.pill-live {
  background-color: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.pill-saved {
  background-color: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}

.pill-sample {
  background-color: #eff6ff;
  color: #1e40af;
  border-color: #bfdbfe;
}

.pill-replay {
  background-color: #fdf2f8;
  color: #9d174d;
  border-color: #fbcfe8;
}

.pill-error {
  background-color: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

.pill-muted {
  background-color: #f1f5f9;
  color: #475569;
}

/* Layout */
.main-container {
  max-width: 860px;
  margin: 1.25rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Notice Banner */
.disclaimer-banner {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid #b45309;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  color: #92400e;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

/* Intro Block */
.intro-block {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.intro-lead {
  font-size: 0.9375rem;
  color: var(--text-main);
  line-height: 1.6;
}

/* 3-Step Pipeline Strip */
.pipeline-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.875rem 1rem;
}

.pipeline-step {
  flex: 1;
  min-width: 0;
}

.pipeline-step-num {
  font-size: 0.875rem; /* 14px floor */
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
}

.pipeline-step-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2px;
}

.pipeline-step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pipeline-arrow {
  color: var(--border-color);
  font-weight: 700;
  font-size: 1.125rem;
  padding: 0 0.25rem;
}

@media (max-width: 640px) {
  .pipeline-strip {
    flex-direction: column;
    align-items: stretch;
  }
  .pipeline-arrow {
    display: none;
  }
}

/* Quick Tour Row */
.quick-tour-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.25rem 0;
}

.quick-tour-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  margin-right: 0.25rem;
}

.btn-tour {
  min-height: 44px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 6px;
  background-color: #f1f5f9;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
}

.btn-tour:hover {
  background-color: #e2e8f0;
}

.btn-tour.is-active, .btn-tour[aria-pressed="true"] {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Card Container */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.card-intro {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.375rem;
}

.form-select, .form-input {
  width: 100%;
  min-height: 44px; /* WCAG 44px touch target */
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #ffffff;
  color: var(--text-main);
  box-sizing: border-box;
}

.hindi-review-tag {
  font-size: 0.875rem; /* 14px floor */
  font-weight: 600;
}

.form-select:focus, .form-input:focus {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: #f1f5f9;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #e2e8f0;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Details */
.settings-details {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.settings-summary {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

/* Whatif Form */
.whatif-panel {
  margin-top: 1rem;
  padding: 1rem;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.whatif-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

/* Result Card */
.result-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.timestamp-text {
  font-size: 0.875rem; /* 14px */
  color: var(--text-muted);
}

.tier-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background-color: #f8fafc;
  margin-bottom: 1rem;
}

.tier-callout-icon {
  flex-shrink: 0;
}

.tier-headline {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.tier-headline-sub {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.tier-desc {
  font-size: 0.875rem; /* 14px */
  color: var(--text-main);
  margin-top: 0.375rem;
}

/* Tier specific borders & backgrounds */
.tier-below {
  border-color: #94a3b8;
  background-color: #f1f5f9;
}

.tier-caution {
  border-color: #f59e0b;
  background-color: #fffbeb;
  color: #78350f;
}

.tier-extreme-caution {
  border-color: #ea580c;
  background-color: #fff7ed;
  color: #7c2d12;
}

.tier-danger {
  border-color: #dc2626;
  background-color: #fef2f2;
  color: #7f1d1d;
}

.tier-extreme-danger {
  border-color: #991b1b;
  background-color: #fef2f2;
  color: #7f1d1d;
}

/* Simple Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 520px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-box {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.875rem;
}

.stat-label {
  font-size: 0.875rem; /* 14px */
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-sub {
  font-size: 0.875rem; /* 14px */
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.imd-box {
  background-color: #f1f5f9;
  border-left: 4px solid #0284c7;
  padding: 0.875rem 1rem;
  border-radius: 4px;
}

.imd-title {
  font-size: 0.875rem; /* 14px */
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.imd-status {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.125rem;
}

.imd-sub {
  font-size: 0.875rem; /* 14px */
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* 72-Hour Trajectory Chart */
.chart-container {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
}

.chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.chart-accessible-summary {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.chart-svg-wrapper {
  width: 100%;
  overflow-x: auto;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 180px;
}

/* Action Playbook */
.actions-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.progress-wrap {
  width: 100%;
}

.progress-label {
  font-size: 0.875rem; /* 14px */
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
  text-align: left; /* Left aligned */
}

.progress-bar-bg {
  height: 10px;
  width: 100%;
  background-color: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--success);
  transition: width 0.3s ease;
}

.level-actions-details {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #f8fafc;
}

.level-actions-summary {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  padding: 0.625rem 0.875rem;
  cursor: pointer;
}

.level-actions-content {
  padding: 0.75rem 0.875rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-main);
  line-height: 1.5;
}

.level-actions-content ul {
  margin-top: 0.5rem;
  padding-left: 1.25rem;
}

.level-actions-content li {
  margin-bottom: 0.375rem;
}

.filter-group {
  margin-bottom: 1rem;
}

.actions-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-left: 4px solid #94a3b8;
  border-radius: 6px;
  padding: 1rem;
}

.action-card.status-done {
  border-left-color: var(--success);
  background-color: #f8fafc;
}

.action-card.status-inprogress {
  border-left-color: var(--primary);
}

.action-top-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}

.action-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.action-priority {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-sub);
}

.action-hindi {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.action-meta {
  font-size: 0.875rem; /* 14px */
  color: var(--text-sub);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.action-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.action-status-select {
  min-height: 44px; /* Touch target >= 44px */
  padding: 0.375rem 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #ffffff;
}

.action-note-input {
  flex: 1;
  min-width: 180px;
  min-height: 44px; /* Touch target >= 44px */
  padding: 0.375rem 0.625rem;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.action-save-btn {
  min-height: 44px; /* Touch target >= 44px */
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #f1f5f9;
  cursor: pointer;
}

.action-save-btn:hover {
  background-color: #e2e8f0;
}

/* Bulletin Card */
.bulletin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.bulletin-preview {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem; /* 14px */
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--text-main);
  max-height: 360px;
  overflow-y: auto;
}

/* About Card */
.about-card {
  background-color: #ffffff;
}

.about-summary {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  padding: 0.25rem 0;
}

.about-content {
  margin-top: 0.875rem;
  font-size: 0.875rem;
  color: var(--text-main);
  line-height: 1.6;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 600px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-grid h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.about-grid p {
  color: var(--text-muted);
}

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

/* Footer */
.app-footer {
  max-width: 860px;
  margin: 1.5rem auto 2rem;
  padding: 1rem;
  text-align: center;
  font-size: 0.8125rem; /* 13px legal/small */
  color: var(--text-sub);
  border-top: 1px solid var(--border-color);
}

.app-footer a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* Print Poster View (Hidden on screen) */
.print-poster-container {
  display: none;
}

@media print {
  body {
    background-color: #ffffff;
    color: #000000;
    font-size: 11pt;
  }

  .app-header, .main-container, .app-footer {
    display: none !important;
  }

  .print-poster-container {
    display: block !important;
    position: relative;
    padding: 1.5cm;
    max-width: 100%;
  }

  .draft-watermark {
    position: absolute;
    top: 40%;
    left: 15%;
    font-size: 100pt;
    font-weight: 900;
    color: rgba(200, 200, 200, 0.25);
    transform: rotate(-35deg);
    z-index: 0;
    pointer-events: none;
  }

  .print-poster-header h1 {
    font-size: 16pt;
    font-weight: bold;
    border-bottom: 2pt solid #000000;
    padding-bottom: 4pt;
    margin-bottom: 6pt;
  }

  .print-poster-meta {
    font-size: 10pt;
    margin-bottom: 12pt;
    line-height: 1.4;
  }

  .print-poster-tier {
    padding: 8pt;
    border: 2pt solid #000000;
    margin-bottom: 12pt;
    font-weight: bold;
    font-size: 13pt;
  }

  .print-poster-action-item {
    border-bottom: 1pt solid #ccc;
    padding: 6pt 0;
    page-break-inside: avoid;
  }

  .print-poster-footer {
    margin-top: 18pt;
    border-top: 1pt solid #000;
    padding-top: 6pt;
    font-size: 9pt;
  }
}