:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --secondary: #0ea5e9;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-header: #f8fafc;
  --bg-subtle: #f1f5f9;
  --border: #e2e8f0;
  --border-focus: #818cf8;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --input-bg: #ffffff;
  --input-border: #e2e8f0;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-light: #1e1b4b;
  --secondary: #38bdf8;
  --success: #34d399;
  --success-light: #064e3b;
  --warning: #fbbf24;
  --warning-light: #451a03;
  --danger: #f87171;
  --danger-light: #450a0a;
  
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-header: #0d1527;
  --bg-subtle: #19243b;
  --border: #23314d;
  --border-focus: #818cf8;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --input-bg: #182238;
  --input-border: #293854;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.15s ease;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

/* ==========================================================================
   Header & Topbar
   ========================================================================== */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  width: 100%;
  box-sizing: border-box;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
  flex-shrink: 0;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-top: 2px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.currency-select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.currency-select-wrap label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  margin: 0;
}

.currency-select {
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  outline: none;
  display: inline-flex;
  align-items: center;
  box-sizing: border-box;
  transition: all 0.2s ease;
}

.currency-select:hover,
.currency-select:focus {
  border-color: var(--primary);
}

.theme-toggle-btn {
  height: 40px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  outline: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  box-sizing: border-box;
  transition: all 0.2s ease;
}

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

.theme-icon {
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section & Role Picker
   ========================================================================== */
.hero-section {
  text-align: center;
  padding: 36px 0 24px;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 12px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.role-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.role-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.role-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -6px rgba(79, 70, 229, 0.22), var(--shadow-md);
}

.role-card.active {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15), var(--shadow-md);
}

/* Call-to-action button badge on top right corner */
.role-cta-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  border: 1.5px solid var(--primary);
  border-radius: 20px;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.15);
  transition: all 0.25s ease;
  pointer-events: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.role-cta-btn .cta-arrow {
  transition: transform 0.2s ease;
  display: inline-block;
  font-weight: 800;
}

.role-card:hover .role-cta-btn {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.role-card:hover .role-cta-btn .cta-arrow {
  transform: translateX(3px);
}

.role-icon {
  font-size: 2.3rem;
  margin-bottom: 12px;
  display: inline-block;
}

.role-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  padding-right: 90px;
}

.role-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.role-bottom-action {
  margin-top: auto;
  padding-top: 8px;
}

.role-bottom-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary);
  transition: all 0.2s ease;
}

.role-card:hover .role-bottom-pill {
  color: var(--primary-hover);
  transform: translateX(3px);
}

/* Active Role Compact Banner */
.role-active-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin: 20px 0 24px;
  box-shadow: var(--shadow-sm);
}

.role-active-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.role-active-text #role-active-icon,
.role-active-icon {
  font-size: 1.35rem;
}

.role-active-text #role-active-title {
  color: var(--primary);
  font-weight: 800;
}

.btn-switch-role {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #c7d2fe;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
}

.btn-switch-role:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ==========================================================================
   Interactive Explainer & Simulator Section
   ========================================================================== */
.explainer-section {
  margin: 36px 0 50px;
}

.explainer-header {
  text-align: center;
  margin: 0 auto 32px;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.explainer-badge,
.explainer-pill-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.explainer-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 10px;
  text-align: center;
}

.explainer-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.simulator-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px;
  margin-bottom: 36px;
}

.simulator-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.simulator-title-bar h3,
.simulator-title-bar h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.simulator-grid,
.sim-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 32px;
  align-items: start;
}

.sim-controls,
.sim-controls-pane,
.sim-output-pane {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Unified Simulator Box Style - Applied to all 4 components */
.sim-card-box,
.sim-output-card {
  background: var(--bg-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sim-card-box:hover,
.sim-output-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.sim-box-header,
.sim-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.sim-box-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.sim-val-pill {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 12px;
  border-radius: 12px;
}

.sim-badge-hint {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 10px;
}

.sim-preview-badge {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.sim-status-tag {
  color: var(--primary);
  font-weight: 700;
}

.sim-slider-container {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 4px;
}

.sim-slider {
  width: 100%;
  height: 6px;
  accent-color: var(--primary);
  border-radius: 3px;
  cursor: pointer;
  margin: 0;
}

/* Centered Roommates Picker Buttons with Generous Padding */
.sim-roommates-picker,
.sim-rm-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.sim-btn-rm {
  flex: 1;
  max-width: 160px;
  min-width: 100px;
  padding: 12px 18px;
  min-height: 46px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.sim-btn-rm:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.18);
}

.sim-btn-rm.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

[data-theme="dark"] .sim-btn-rm {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-main);
}

[data-theme="dark"] .sim-btn-rm:hover {
  border-color: #818cf8;
  color: #818cf8;
}

[data-theme="dark"] .sim-btn-rm.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

/* Centered Splitting Method Toggle Box Controls */
.sim-mode-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.sim-mode-btn {
  flex: 1;
  padding: 12px 18px;
  min-height: 46px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.86rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.sim-mode-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.18);
}

.sim-mode-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

[data-theme="dark"] .sim-mode-btn {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-muted);
}

[data-theme="dark"] .sim-mode-btn:hover {
  border-color: #818cf8;
  color: #818cf8;
}

[data-theme="dark"] .sim-mode-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.sim-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.sim-persons-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-person-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.sim-person-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sim-person-avatar {
  width: 28px;
  height: 28px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-person-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.sim-person-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sim-person-val {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.2s ease;
}

.feature-item-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.feature-item-icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.feature-item-card h5 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.feature-item-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   Booking & Room Setup Form Components
   ========================================================================== */
.form-section {
  display: none;
  margin-bottom: 40px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  background: var(--bg-card-header);
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-body {
  padding: 24px;
}

.room-setup-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 24px;
}

.room-setup-banner h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.room-setup-banner p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.quick-room-picker,
.quick-rooms-selector {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 4px 0;
  margin-top: 10px;
}

.btn-quick-room {
  padding: 10px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-quick-room:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-quick-room.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* Utility & Service Bills Header Component */
.utility-bills-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  background: linear-gradient(135deg, #eef2ff, #f0fdf4);
  border: 1.5px solid #c7d2fe;
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin: 18px 0 14px;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.06);
}

.utility-bills-tag {
  display: flex;
  align-items: center;
  gap: 10px;
}

.utility-tag-icon {
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(79, 70, 229, 0.2);
  flex-shrink: 0;
}

.utility-tag-text {
  font-size: 0.96rem;
  font-weight: 800;
  color: #3730a3;
  letter-spacing: -0.01em;
}

.utility-tag-sub {
  font-size: 0.76rem;
  font-weight: 600;
  color: #4338ca;
  background: #e0e7ff;
  padding: 3px 10px;
  border-radius: 12px;
}

[data-theme="dark"] .utility-bills-header {
  background: linear-gradient(135deg, #1e1b4b, #0f172a);
  border-color: #3730a3;
  border-left-color: #818cf8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .utility-tag-icon {
  background: #312e81;
}

[data-theme="dark"] .utility-tag-text {
  color: #e0e7ff;
}

[data-theme="dark"] .utility-tag-sub {
  color: #a5b4fc;
  background: #312e81;
}

/* Room Container & Accordions */
.room-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.room-box-header {
  background: var(--bg-card-header);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.room-box-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Remove Room Action Button */
.btn-remove-room {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(239, 68, 68, 0.08);
  color: #dc2626;
  border: 1.5px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px rgba(220, 38, 38, 0.05);
}

.btn-remove-room:hover {
  background: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(220, 38, 38, 0.25);
}

.btn-remove-room:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-remove-room .btn-remove-room-icon {
  font-size: 0.88rem;
  transition: transform 0.2s ease;
}

.btn-remove-room:hover .btn-remove-room-icon {
  transform: scale(1.18);
}

/* Dark mode for Remove Room button */
[data-theme="dark"] .btn-remove-room {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.35);
}

[data-theme="dark"] .btn-remove-room:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.room-box-body {
  padding: 20px;
}

/* Occupancy prompt inside room */
.occupancy-prompt-box {
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.occupancy-prompt-text h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e40af;
  margin-bottom: 2px;
}

.occupancy-prompt-text p {
  font-size: 0.8rem;
  color: #3b82f6;
}

.occupancy-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.occupancy-input-wrap span {
  font-size: 0.85rem;
  font-weight: 700;
  color: #1e40af;
  white-space: nowrap;
}

.occupancy-input-wrap input {
  width: 70px;
  padding: 6px 10px;
  border: 1.5px solid #3b82f6;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1rem;
  text-align: center;
  background: #ffffff;
  color: #1e3a8a;
  outline: none;
}

/* Form inputs & controls */
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-light);
  font-size: 0.95rem;
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--text-main);
  background: var(--input-bg);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-with-icon .form-input {
  padding-left: 36px;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Remove default number input spinner buttons */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}

input[type="number"] {
  -moz-appearance: textfield !important;
  appearance: textfield !important;
}

/* Disabled input styling */
.form-input:disabled,
.form-input[disabled] {
  background-color: var(--bg-subtle) !important;
  color: var(--text-main) !important;
  border-color: var(--border) !important;
  cursor: not-allowed !important;
  opacity: 1 !important;
  font-weight: 600;
}

/* Split Mode Radio Pills */
.split-mode-selector {
  display: flex;
  gap: 12px;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}

.split-pill {
  flex: 1;
  min-width: 200px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-card);
  transition: all 0.2s ease;
}

.split-pill input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--primary);
  transform: scale(1.15);
}

.split-pill-text strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.split-pill-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.split-pill.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* Roommates Subgrid */
.roommates-subgrid {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-top: 14px;
}

.subgrid-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}

.subgrid-title-text {
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.subgrid-occupants-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 12px;
}

.roommate-card-top {
  grid-column: 1 / -1;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.occupant-badge {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 6px;
}

.roommate-entry,
.roommate-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 40px;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 12px;
}

.btn-icon-del,
.btn-del-occupant {
  width: 40px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: #ef4444;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.btn-icon-del:hover,
.btn-del-occupant:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

.btn-icon-del .btn-del-text,
.btn-del-occupant .btn-del-text {
  display: none;
}

.btn-add-person {
  margin-top: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-add-person:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

/* ==========================================================================
   Redesigned "Add Room" Action Button Component
   ========================================================================== */
.btn-add-room {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(99, 102, 241, 0.08));
  border: 2px dashed #818cf8;
  color: var(--primary);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 16px;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.08);
  position: relative;
  overflow: hidden;
}

.btn-add-room::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(99, 102, 241, 0.18));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.btn-add-room:hover {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(99, 102, 241, 0.14));
  border-color: var(--primary);
  border-style: solid;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -4px rgba(79, 70, 229, 0.22);
  color: var(--primary-hover);
}

.btn-add-room:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.15);
}

.btn-add-room-icon {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
  transition: transform 0.25s ease, background-color 0.25s ease;
  flex-shrink: 0;
}

.btn-add-room:hover .btn-add-room-icon {
  transform: scale(1.15) rotate(90deg);
  background: var(--primary-hover);
}

.btn-add-room-text {
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.btn-add-room-badge {
  font-size: 0.74rem;
  font-weight: 800;
  background: rgba(99, 102, 241, 0.12);
  color: #4338ca;
  padding: 3px 9px;
  border-radius: 12px;
  margin-left: 8px;
  transition: all 0.2s ease;
  border: 1px solid rgba(99, 102, 241, 0.25);
  display: inline-flex;
  align-items: center;
}

.btn-add-room:hover .btn-add-room-badge {
  background: #ffffff !important;
  color: #4338ca !important;
  border-color: #ffffff !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15) !important;
}

.btn-add-room-compact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1.5px solid #c7d2fe;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-add-room-compact:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.btn-add-room-compact .btn-add-room-icon {
  width: 20px;
  height: 20px;
  font-size: 0.85rem;
}

[data-theme="dark"] .btn-add-room-compact {
  background: var(--primary-light);
  border-color: #3730a3;
  color: #a5b4fc;
}

[data-theme="dark"] .btn-add-room-compact:hover {
  background: var(--primary);
  color: #ffffff;
}

/* ==========================================================================
   Calculate & Action Bar
   ========================================================================== */
.calculate-bar {
  text-align: center;
  margin: 30px 0 40px;
}

.btn-calc {
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #ffffff;
  border: none;
  padding: 16px 36px;
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 25px -5px rgba(79, 70, 229, 0.5);
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
}

.btn-calc:active {
  transform: translateY(0);
}

/* ==========================================================================
   Breakdown & Results Section
   ========================================================================== */
.results-section {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.results-section.show {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Summary Banner */
.summary-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.summary-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-icon.rent { background: #eef2ff; color: #4f46e5; }
.stat-icon.deposit { background: #fffbeb; color: #d97706; }
.stat-icon.utilities { background: #f0f9ff; color: #0284c7; }
.stat-icon.grand { background: #ecfdf5; color: #059669; }

.stat-meta {
  display: flex;
  flex-direction: column;
}

.stat-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Stay Meta Box */
.stay-meta-box {
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-around;
  align-items: center;
}

.stay-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stay-meta-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e40af;
  text-transform: uppercase;
}

.stay-meta-val {
  font-size: 0.95rem;
  font-weight: 800;
  color: #1e3a8a;
}

.property-grid {
  margin-bottom: 24px;
}

.breakdown-header {
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

.breakdown-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Person Breakdown Cards */
.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.person-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.person-card-header {
  background: var(--bg-card-header);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.person-title-area,
.person-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.person-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.person-meta-side,
.person-name-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.person-name,
.person-name-box h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.person-room-tag,
.person-room-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 2px;
}

.person-badge-split {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
  background: var(--bg-subtle);
  color: var(--text-main);
}

.person-badge-split.income-badge {
  background: #fef3c7;
  color: #b45309;
}

/* Itemized Cost Table */
.itemized-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.itemized-table {
  width: 100%;
  border-collapse: collapse;
}

.itemized-table tr {
  border-bottom: 1px solid var(--border);
}

.itemized-table td {
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.itemized-table td:last-child {
  text-align: right;
  font-weight: 700;
}

.itemized-table .item-label {
  display: flex;
  flex-direction: column;
}

.itemized-table .item-label span {
  font-weight: 600;
}

.itemized-table .item-label .item-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

.itemized-table tr.row-total {
  background: var(--bg-subtle);
  border-top: 1.5px solid var(--border);
}

.itemized-table tr.row-total td {
  font-weight: 800;
  font-size: 1rem;
}

.itemized-table tr.row-total td:last-child {
  color: var(--primary);
}

/* Payment Tracking & Transaction Ledger */
.payment-box {
  background: var(--bg-card-header);
  border-top: 1px solid var(--border);
  padding: 16px 20px;
}

.payment-box-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.status-pill {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 12px;
}

.status-pill.paid { background: var(--success-light); color: var(--success); }
.status-pill.partial { background: var(--warning-light); color: var(--warning); }
.status-pill.unpaid { background: var(--danger-light); color: var(--danger); }

.payment-history-wrap {
  margin: 10px 0 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.payment-history-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.payment-tx-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 120px;
  overflow-y: auto;
}

.payment-tx-empty {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 4px 0;
}

.payment-tx-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 0.78rem;
}

.payment-tx-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.payment-tx-amount {
  font-weight: 700;
  color: var(--success);
}

.payment-tx-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-del-tx {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 4px;
  border-radius: 3px;
}

.btn-del-tx:hover {
  background: var(--danger-light);
}

.add-tx-row {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 1fr auto;
  gap: 6px;
  align-items: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.btn-add-tx {
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

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

.payment-input-sm {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
}

.payment-input-sm:focus {
  border-color: var(--primary);
}

.balance-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
}

.balance-text {
  font-weight: 800;
  font-size: 0.95rem;
}

.balance-text.has-balance { color: var(--danger); }
.balance-text.cleared { color: var(--success); }

/* ==========================================================================
   Export Toolbar
   ========================================================================== */
.export-toolbar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.export-toolbar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.export-buttons-group,
.export-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-export {
  padding: 10px 18px;
  min-height: 46px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.86rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.btn-export:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.btn-export .dl-symbol {
  font-size: 1rem;
}

.btn-export .dl-text {
  font-size: 0.86rem;
  font-weight: 700;
}

.btn-export-pdf {
  background: #dc2626;
  color: #ffffff;
}

.btn-export-pdf:hover {
  background: #b91c1c;
}

.btn-export-csv {
  background: #059669;
  color: #ffffff;
}

.btn-export-csv:hover {
  background: #047857;
}

.btn-export-print {
  background: #4f46e5;
  color: #ffffff;
}

.btn-export-print:hover {
  background: #4338ca;
}

.btn-export-text {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn-export-text:hover {
  background: var(--bg-subtle);
}

/* ==========================================================================
   Dark Theme Component Rules & Overrides
   ========================================================================== */
[data-theme="dark"] body {
  background-color: var(--bg-main);
  color: var(--text-main);
}

[data-theme="dark"] .site-header {
  background-color: var(--bg-card);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .card {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .card-header {
  background-color: var(--bg-card-header);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .role-card {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .role-card:hover {
  border-color: #818cf8;
  box-shadow: 0 12px 28px -6px rgba(99, 102, 241, 0.35);
}

[data-theme="dark"] .role-card.active {
  background-color: var(--bg-card);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), var(--shadow-md);
}

[data-theme="dark"] .role-cta-btn {
  background: rgba(99, 102, 241, 0.18);
  color: #c7d2fe;
  border-color: #6366f1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .role-card:hover .role-cta-btn {
  background: #6366f1;
  color: #ffffff;
  border-color: #818cf8;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.55);
}

[data-theme="dark"] .role-bottom-pill {
  color: #a5b4fc;
}

[data-theme="dark"] .role-card:hover .role-bottom-pill {
  color: #c7d2fe;
}

[data-theme="dark"] .role-active-banner {
  background-color: var(--bg-card);
  border-color: var(--primary);
}

[data-theme="dark"] .btn-switch-role {
  background-color: var(--primary-light);
  border-color: #3730a3;
  color: #a5b4fc;
}

[data-theme="dark"] .simulator-box {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .simulator-title-bar {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .sim-btn-rm {
  background-color: var(--bg-subtle);
  border-color: var(--border);
  color: var(--text-muted);
}

[data-theme="dark"] .sim-btn-rm.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: #a5b4fc;
}

[data-theme="dark"] .sim-card-box,
[data-theme="dark"] .sim-output-card {
  background-color: var(--bg-subtle);
  border-color: var(--border);
}

[data-theme="dark"] .sim-person-row {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .feature-item-card {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .feature-item-card:hover {
  border-color: var(--border-focus);
}

[data-theme="dark"] .room-setup-banner {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .btn-quick-room {
  background-color: var(--bg-card);
  border-color: var(--border);
  color: var(--text-main);
}

[data-theme="dark"] .btn-quick-room:hover {
  border-color: var(--primary);
  color: var(--primary);
}

[data-theme="dark"] .room-box {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .room-box-header {
  background-color: var(--bg-card-header);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .occupancy-prompt-box {
  background-color: #132240;
  border-color: #1e3a8a;
}

[data-theme="dark"] .occupancy-prompt-text h5 {
  color: #93c5fd;
}

[data-theme="dark"] .occupancy-prompt-text p {
  color: #60a5fa;
}

[data-theme="dark"] .occupancy-input-wrap span {
  color: #93c5fd;
}

[data-theme="dark"] .occupancy-input-wrap input {
  background-color: #1a2744;
  border-color: #2563eb;
  color: #f8fafc;
}

[data-theme="dark"] .roommates-subgrid {
  background-color: var(--bg-subtle);
  border-color: var(--border);
}

[data-theme="dark"] .form-input {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-main);
}

[data-theme="dark"] .form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] .form-label {
  color: var(--text-main);
}

[data-theme="dark"] .split-pill {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .split-pill.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
}

[data-theme="dark"] .btn-icon-del {
  border-color: var(--border);
  color: #f87171;
}

[data-theme="dark"] .btn-icon-del:hover {
  background-color: var(--danger-light);
  border-color: var(--danger);
}

[data-theme="dark"] .btn-add-person {
  background-color: var(--bg-card);
  border-color: var(--border);
  color: #a5b4fc;
}

/* Redesigned Add Room Dark Theme */
[data-theme="dark"] .btn-add-room {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(129, 140, 248, 0.08));
  border-color: #4f46e5;
  color: #c7d2fe;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .btn-add-room:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(129, 140, 248, 0.15));
  border-color: #818cf8;
  box-shadow: 0 8px 24px -4px rgba(99, 102, 241, 0.35);
  color: #ffffff;
}

[data-theme="dark"] .btn-add-room-icon {
  background: #6366f1;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.5);
}

[data-theme="dark"] .btn-add-room-badge {
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(165, 180, 252, 0.3);
}

[data-theme="dark"] .btn-add-room:hover .btn-add-room-badge {
  background: #6366f1 !important;
  color: #ffffff !important;
  border-color: #818cf8 !important;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.6) !important;
}

[data-theme="dark"] .summary-stat-card {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .stat-icon.rent { background: #1e1b4b; color: #a5b4fc; }
[data-theme="dark"] .stat-icon.deposit { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .stat-icon.utilities { background: #082f49; color: #38bdf8; }
[data-theme="dark"] .stat-icon.grand { background: #064e3b; color: #34d399; }

[data-theme="dark"] .stay-meta-box {
  background-color: #132240;
  border-color: #1e3a8a;
}

[data-theme="dark"] .stay-meta-tag {
  color: #93c5fd;
}

[data-theme="dark"] .person-card {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .person-card-header {
  background-color: var(--bg-card-header);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .person-badge-split {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

[data-theme="dark"] .person-badge-split.income-badge {
  background-color: #451a03;
  color: #fbbf24;
}

[data-theme="dark"] .itemized-table tr {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .itemized-table td {
  color: var(--text-main);
}

[data-theme="dark"] .itemized-table .item-label {
  color: #cbd5e1;
}

[data-theme="dark"] .itemized-table tr.row-total {
  background-color: var(--bg-subtle);
  border-top-color: var(--border);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .payment-box {
  background-color: var(--bg-card-header);
  border-top-color: var(--border);
}

[data-theme="dark"] .payment-input-sm {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-main);
}

[data-theme="dark"] .balance-status-row {
  border-top-color: var(--border);
}

[data-theme="dark"] .export-toolbar {
  background-color: var(--bg-card);
  border-color: var(--border);
}

[data-theme="dark"] .btn-export-text {
  background-color: var(--bg-card);
  border-color: var(--border);
  color: var(--text-main);
}

[data-theme="dark"] .btn-export-text:hover {
  background-color: var(--bg-subtle);
}

/* PDF Rendering Stage Protection (Guarantees crisp non-blank PDF capture in all themes) */
#pdf-render-stage {
  background-color: #ffffff !important;
  color: #0f172a !important;
  color-scheme: light !important;
}

#pdf-render-stage * {
  color-scheme: light !important;
}

#pdf-render-stage table,
#pdf-render-stage th,
#pdf-render-stage td,
#pdf-render-stage tr {
  color-scheme: light !important;
}