/* ==========================================================================
   600IQ Lo Shu Grid Calculator - Style System
   Self-Contained Vanilla CSS with Light & Dark Theme Support
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Core Palette - Light Mode */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* Mystical & Spiritual Color Tokens */
  --accent-primary: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-light: #f5f3ff;
  --accent-border: #c4b5fd;
  --accent-text: #6d28d9;

  --amber-accent: #d97706;
  --amber-light: #fffbeb;
  --amber-border: #fde68a;

  --emerald-accent: #059669;
  --emerald-light: #ecfdf5;

  --gold-glow: rgba(217, 119, 6, 0.25);
  --purple-glow: rgba(124, 58, 237, 0.25);

  --cell-bg-present: #f0fdf4;
  --cell-border-present: #86efac;
  --cell-text-present: #15803d;

  --cell-bg-missing: #fef2f2;
  --cell-border-missing: #fca5a5;
  --cell-text-missing: #991b1b;

  --cell-bg-repeated: #fffbe6;
  --cell-border-repeated: #fde047;
  --cell-text-repeated: #b45309;

  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-focus-border: #7c3aed;
  --input-focus-ring: rgba(124, 58, 237, 0.2);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}

/* Dark Mode Overrides */
[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1e293b;
  --card-bg: #131b2e;
  --card-border: #2e3a52;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  --accent-primary: #a78bfa;
  --accent-hover: #8b5cf6;
  --accent-light: #2e1065;
  --accent-border: #6d28d9;
  --accent-text: #c4b5fd;

  --amber-accent: #fbbf24;
  --amber-light: #451a03;
  --amber-border: #78350f;

  --emerald-accent: #34d399;
  --emerald-light: #064e3b;

  --gold-glow: rgba(251, 191, 36, 0.35);
  --purple-glow: rgba(167, 139, 250, 0.35);

  --cell-bg-present: #064e3b;
  --cell-border-present: #059669;
  --cell-text-present: #6ee7b7;

  --cell-bg-missing: #450a0a;
  --cell-border-missing: #b91c1c;
  --cell-text-missing: #fca5a5;

  --cell-bg-repeated: #451a03;
  --cell-border-repeated: #d97706;
  --cell-text-repeated: #fde047;

  --input-bg: #1e293b;
  --input-border: #334155;
  --input-focus-border: #a78bfa;
  --input-focus-ring: rgba(167, 139, 250, 0.25);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--accent-light);
  color: var(--accent-text);
  border: 1px solid var(--accent-border);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  font-size: 1.1rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
}

/* --- Hero Section --- */
.main-content {
  flex: 1;
}

.hero-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--card-border);
  padding: 2.5rem 1.25rem 2rem;
  text-align: center;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--amber-accent);
  background: var(--amber-light);
  border: 1px solid var(--amber-border);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* --- Layout Container --- */
.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* --- Input Form Card --- */
.calculator-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
}

.card-header {
  margin-bottom: 1.75rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.required-star {
  color: #ef4444;
}

.tooltip-icon {
  cursor: help;
  font-size: 0.85rem;
}

.form-control {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Gender Custom Toggle Buttons */
.gender-toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.gender-btn {
  cursor: pointer;
}

.gender-btn input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.gender-btn-custom {
  display: block;
  text-align: center;
  padding: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.gender-btn input[type="radio"]:checked + .gender-btn-custom {
  background-color: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-text);
  box-shadow: 0 0 0 2px var(--accent-border);
}

/* Form Checkbox Options */
.form-advanced-option {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--card-border);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.highlight-checkbox {
  color: var(--accent-primary);
}

.option-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 1.6rem;
}

.partner-inputs-card {
  margin-top: 1.25rem;
  padding: 1.25rem;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
}

.partner-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

/* Action Buttons */
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--purple-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px var(--purple-glow);
}

.btn-secondary {
  background-color: var(--amber-accent);
  color: #ffffff;
}

.btn-secondary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.85rem 1.8rem;
}

/* --- Report Output Sections --- */
.hidden-section {
  display: none !important;
}

/* Sticky Anchor Navigation Bar */
.report-anchor-nav {
  position: sticky;
  top: 60px;
  z-index: 90;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

/* Scroll Indicator Hint Badge */
.report-anchor-nav::after {
  content: "👉 Scroll";
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  background: var(--accent-light);
  color: var(--accent-text);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
  pointer-events: none;
  opacity: 0.9;
  box-shadow: -10px 0 15px var(--card-bg);
  animation: pulse-swipe 2s infinite ease-in-out;
}

@keyframes pulse-swipe {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-50%) translateX(3px); }
}

.nav-scroll-wrapper {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
  padding-right: 4.8rem; /* Room for swipe badge indicator */
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-border) transparent;
  -webkit-overflow-scrolling: touch;
}

.nav-scroll-wrapper::-webkit-scrollbar {
  height: 4px;
}

.nav-scroll-wrapper::-webkit-scrollbar-thumb {
  background: var(--accent-border);
  border-radius: var(--radius-full);
}

.anchor-link {
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.anchor-link:hover,
.anchor-link.active {
  background-color: var(--accent-light);
  color: var(--accent-text);
  border-color: var(--accent-border);
}

/* Action Bar */
.report-action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
}

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

.action-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--emerald-light);
  color: var(--emerald-accent);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.dob-display-badge {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-action {
  font-family: var(--font-sans);
  font-size: 0.825rem;
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-action:hover {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Report Block Base */
.report-block {
  margin-bottom: 3rem;
  scroll-margin-top: 130px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Executive Summary Cards Grid */
.summary-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.summary-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.summary-card-icon {
  font-size: 2rem;
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
}

.summary-card-body {
  display: flex;
  flex-direction: column;
}

.card-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent-primary);
  line-height: 1.1;
  margin: 0.15rem 0;
}

.card-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* --- Interactive 3x3 Lo Shu Grid & SVG Overlay --- */
.grid-display-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .grid-display-wrapper {
    grid-template-columns: 1fr;
  }
}

.loshu-grid-card {
  position: relative;
  background-color: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
}

/* SVG Line Overlay Layer */
.grid-svg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

.arrow-line {
  stroke-linecap: round;
  transition: all 0.5s ease;
}

.arrow-line-full {
  stroke: #10b981;
  stroke-width: 6;
  filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.6));
}

.arrow-line-partial {
  stroke: #f59e0b;
  stroke-width: 4;
  stroke-dasharray: 8 6;
}

/* 3x3 Matrix Grid */
.loshu-grid-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.grid-cell {
  background-color: var(--bg-tertiary);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.grid-cell:hover {
  transform: scale(1.02);
  z-index: 5;
}

.grid-cell.cell-present {
  background-color: var(--cell-bg-present);
  border-color: var(--cell-border-present);
}

.grid-cell.cell-missing {
  background-color: var(--cell-bg-missing);
  border-color: var(--cell-border-missing);
  opacity: 0.75;
}

.grid-cell.cell-repeated {
  background-color: var(--cell-bg-repeated);
  border-color: var(--cell-border-repeated);
}

.grid-cell.cell-center {
  border-width: 3px;
}

.cell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cell-num {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
}

.cell-elem {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cell-content {
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
  margin: 0.35rem 0;
  letter-spacing: 0.1em;
}

.cell-present .cell-content { color: var(--cell-text-present); }
.cell-missing .cell-content { color: var(--cell-text-missing); font-size: 0.85rem; font-weight: 600; }
.cell-repeated .cell-content { color: var(--cell-text-repeated); }

.cell-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cell-count-badge {
  font-size: 0.7rem;
  font-weight: 800;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
}

.cell-domain {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

/* Grid Legend Panel */
.grid-legend-panel {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.legend-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.legend-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.dot-present { background-color: #10b981; }
.dot-missing { background-color: #ef4444; }
.dot-repeated { background-color: #f59e0b; }
.dot-center { background-color: #7c3aed; }

/* --- Destiny Planes Cards --- */
.planes-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.plane-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.plane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.plane-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.plane-status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
}

.status-full {
  background-color: var(--emerald-light);
  color: var(--emerald-accent);
  border: 1px solid #86efac;
}

.status-partial {
  background-color: var(--amber-light);
  color: var(--amber-accent);
  border: 1px solid var(--amber-border);
}

.status-seed {
  background-color: var(--accent-light);
  color: var(--accent-text);
  border: 1px solid var(--accent-border);
}

.status-empty {
  background-color: var(--cell-bg-missing);
  color: var(--cell-text-missing);
  border: 1px solid var(--cell-border-missing);
}

.plane-digits-bar {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.plane-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- Content Detail Block Cards --- */
.content-detail-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.detail-headline {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.detail-paragraph {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.detail-list-item {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

/* --- Remedies Grid Container --- */
.remedies-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.remedy-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.remedy-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.remedy-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
}

.remedy-element {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amber-accent);
}

.remedy-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.remedy-item-row {
  display: flex;
  gap: 0.4rem;
}

.remedy-item-row strong {
  color: var(--text-primary);
}

/* --- Hardcoded SEO Article Section --- */
.seo-article-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 3.5rem 1.25rem;
}

.seo-container {
  max-width: 900px;
  margin: 0 auto;
  color: var(--text-secondary);
}

.seo-container h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.seo-container h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.75rem 0 0.75rem;
}

.seo-container p {
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.seo-container ul,
.seo-container ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-grid-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.article-grid-table th,
.article-grid-table td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--card-border);
}

.article-grid-table th {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 700;
}

/* --- FAQ Accordion Section --- */
.faq-section {
  padding: 3.5rem 1.25rem;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-title {
  font-size: 1.8rem;
  font-weight: 800;
  text-align: center;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-subtitle {
  font-size: 0.95rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition-fast);
}

.faq-trigger:hover {
  background-color: var(--bg-tertiary);
}

.faq-panel {
  display: none;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.active .faq-panel {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* --- Toast Notification --- */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
}

/* --- Site Footer --- */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  padding: 3rem 1.25rem 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
}

.footer-links-group {
  display: flex;
  gap: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);

}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
}

/* --- Responsive Media Queries --- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .calculator-card {
    padding: 1.25rem;
  }

  .grid-cell {
    padding: 0.5rem;
    min-height: 90px;
  }

  .cell-num {
    font-size: 1.1rem;
  }

  .cell-elem {
    font-size: 0.55rem;
  }

  .cell-content {
    font-size: 1rem;
  }

  .footer-links-group {
    gap: 1.5rem;
  }
}