/* ==========================================================================
   GB-Connect Main Design System & Style Tokens
   ========================================================================== */

:root {
  /* Colors - Culturally Warm Palette */
  --color-primary: #7B1E1E;        /* Deep Maroon */
  --color-primary-rgb: 123, 30, 30;
  --color-accent: #E8862D;         /* Saffron */
  --color-accent-rgb: 232, 134, 45;
  --color-success: #2E7D32;
  --color-danger: #C62828;
  --color-warning: #EF6C00;
  
  /* Light Theme Specifics */
  --color-bg: #FAF8F5;             /* Warm Off-White */
  --color-surface: #FFFFFF;
  --color-surface-hover: #F5F2EC;
  --color-border: #E8E2D9;
  --color-text: #2C2520;           /* Charcoal with warm undertones */
  --color-text-muted: #706259;
  --color-glass-bg: rgba(255, 255, 255, 0.7);
  --color-glass-border: rgba(123, 30, 30, 0.08);
  --shadow-sm: 0 2px 4px rgba(44, 37, 32, 0.04);
  --shadow-md: 0 4px 12px rgba(44, 37, 32, 0.08);
  --shadow-lg: 0 8px 24px rgba(123, 30, 30, 0.12);
  
  /* Borders & Spacing */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  
  /* Typography */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-xxl: 28px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides */
[data-theme="dark"] {
  --color-bg: #12100E;             /* Deep warm black */
  --color-surface: #1E1A17;
  --color-surface-hover: #2B2521;
  --color-border: #332B25;
  --color-text: #F2ECE7;
  --color-text-muted: #A39387;
  --color-glass-bg: rgba(30, 26, 23, 0.8);
  --color-glass-border: rgba(232, 134, 45, 0.15);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
}

/* Large Text Mode Override */
body.large-text-mode {
  --font-size-xs: 14px;
  --font-size-sm: 16px;
  --font-size-base: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;
}

/* ==========================================================================
   Base Elements & Reset
   ========================================================================== */

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

/* Centered content shell for desktop, fluid for mobile */
.app-container {
  max-width: 480px;
  min-height: 100vh;
  margin: 0 auto;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

/* Mobile full-bleed reset */
@media (max-width: 480px) {
  .app-container {
    max-width: 100%;
    border-left: none;
    border-right: none;
    box-shadow: none;
  }
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
}

[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4 {
  color: var(--color-accent);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   App Shell & Navigations
   ========================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-sm);
}

.logo-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-icon {
  font-size: 24px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-main {
  flex: 1;
  padding: var(--space-4);
  padding-bottom: 80px; /* Safe space for bottom navigation bar */
}

/* Bottom Tab Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  width: 100%;
  max-width: 480px;
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-glass-border);
  display: flex;
  justify-content: space-around;
  padding: var(--space-2) 0;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.04);
  z-index: 100;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  width: 20%;
  transition: color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  color: var(--color-primary);
}

[data-theme="dark"] .nav-item:hover, 
[data-theme="dark"] .nav-item.active {
  color: var(--color-accent);
}

.nav-icon {
  font-size: 20px;
  margin-bottom: 2px;
  transition: transform var(--transition-fast);
}

.nav-item.active .nav-icon {
  transform: translateY(-2px);
}

/* Disabled modules styling */
.nav-item.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.nav-item.disabled:hover {
  color: var(--color-text-muted) !important;
}

/* ==========================================================================
   UI Components & Widgets
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: #922626;
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: #f7963d;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-surface-hover);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-danger {
  background-color: var(--color-danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #e53935;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

/* Forms & Input Elements */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.form-label span.required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 134, 45, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Field Visibility Toggles */
.visibility-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface-hover);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  margin-top: var(--space-1);
  border: 1px dashed var(--color-border);
}

.toggle-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Custom Checkbox/Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: .3s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

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

input:checked + .slider:before {
  transform: translateX(16px);
}

/* Banner Notices */
.banner {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  animation: slideDown 0.3s ease-out;
}

.banner-warning {
  background-color: #FFF3E0;
  border-left: 4px solid var(--color-warning);
  color: #E65100;
}

[data-theme="dark"] .banner-warning {
  background-color: rgba(239, 108, 0, 0.15);
  color: #FFB74D;
}

.banner-error {
  background-color: #FFEBEE;
  border-left: 4px solid var(--color-danger);
  color: #C62828;
}

[data-theme="dark"] .banner-error {
  background-color: rgba(198, 40, 40, 0.15);
  color: #EF5350;
}

.banner-success {
  background-color: #E8F5E9;
  border-left: 4px solid var(--color-success);
  color: #2E7D32;
}

[data-theme="dark"] .banner-success {
  background-color: rgba(46, 125, 50, 0.15);
  color: #81C784;
}

/* Card Widget (Custom Element fallback styling) */
.gb-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.gb-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-glass-border);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
}

.badge-verified {
  background-color: rgba(46, 125, 50, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(46, 125, 50, 0.2);
}

.badge-committee {
  background-color: rgba(232, 134, 45, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(232, 134, 45, 0.2);
}

.badge-pending {
  background-color: rgba(239, 108, 0, 0.1);
  color: var(--color-warning);
}

/* Notification Bell Widget */
.notif-bell-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--color-text-muted);
  cursor: pointer;
  position: relative;
  padding: 4px;
}

.notif-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: var(--color-danger);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-surface);
}

/* Lock overlay for consent-gated data */
.locked-field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  background-color: var(--color-surface-hover);
  padding: 8px var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-top: 4px;
}

/* Skeleton Loading Screens */
.skeleton-line {
  height: 16px;
  background: linear-gradient(90deg, var(--color-surface-hover) 25%, var(--color-border) 50%, var(--color-surface-hover) 75%);
  background-size: 200% 100%;
  animation: loading-skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   Screen Layouts
   ========================================================================== */

.screen {
  display: none;
  animation: fadeIn 0.2s ease-out;
}

.screen.active {
  display: block;
}

/* Landing Page Screen */
.landing-hero {
  text-align: center;
  padding: var(--space-6) 0;
}

.hero-title {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--space-2);
}

.hero-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.landing-illustration {
  font-size: 72px;
  margin-bottom: var(--space-5);
  animation: float 4s ease-in-out infinite;
}

.login-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  box-shadow: var(--shadow-md);
}

/* 4-Step Registration Form */
.progress-bar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  position: relative;
}

.progress-track {
  position: absolute;
  height: 4px;
  background-color: var(--color-border);
  width: 100%;
  top: 50%;
  left: 0;
  z-index: 1;
}

.progress-fill {
  position: absolute;
  height: 4px;
  background-color: var(--color-accent);
  width: 0%;
  top: 50%;
  left: 0;
  z-index: 2;
  transition: width var(--transition-normal);
}

.progress-step {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  z-index: 3;
  color: var(--color-text-muted);
  transition: all var(--transition-normal);
}

.progress-step.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(123, 30, 30, 0.15);
}

.progress-step.completed {
  border-color: var(--color-success);
  background-color: var(--color-success);
  color: #FFFFFF;
}

.reg-step-panel {
  display: none;
}

.reg-step-panel.active {
  display: block;
}

/* Member Photo Picker */
.photo-uploader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.photo-uploader:hover {
  border-color: var(--color-accent);
}

.photo-preview {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  display: none;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  animation: scaleUp 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-4);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes loading-skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* ==========================================================================
   Phase II Components Styles
   ========================================================================== */

/* Business Listings */
.listing-card {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.listing-logo-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface-hover);
  flex-shrink: 0;
}

.badge-featured {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.featured-listing {
  border: 1.5px solid rgba(232, 134, 45, 0.45);
  background: linear-gradient(135deg, var(--color-surface), rgba(232, 134, 45, 0.04));
  box-shadow: 0 4px 10px rgba(232, 134, 45, 0.05);
}

.featured-listing::before {
  content: "★ Featured";
  position: absolute;
  top: -9px;
  right: var(--space-3);
  background-color: var(--color-accent);
  color: white;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
}

.timing-label {
  font-size: 11px;
  color: var(--color-text-muted);
  background-color: var(--color-surface-hover);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 4px;
  border: 1px solid var(--color-border);
}

/* Family Relations Tree Styles */
.family-tree-wrapper {
  background-color: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  text-align: center;
}

.family-tree-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3) var(--space-2);
  align-items: center;
  min-width: 320px;
}

.tree-node {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  padding: var(--space-2) var(--space-1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-height: 70px;
  justify-content: center;
}

.tree-node:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.tree-node.self {
  border: 2px solid var(--color-primary);
  background-color: rgba(123, 30, 30, 0.05);
}

[data-theme="dark"] .tree-node.self {
  border-color: var(--color-accent);
  background-color: rgba(232, 134, 45, 0.1);
}

.tree-node-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.tree-node-name {
  font-weight: 600;
  max-width: 90px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-node-relation {
  font-size: 9px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* SVG Line Connections */
.tree-svg-connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.tree-svg-line {
  stroke: var(--color-border);
  stroke-width: 2px;
  fill: none;
}

/* Announcements Feed */
.announcement-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.announcement-card:hover {
  border-color: var(--color-accent);
}

.announcement-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.announcement-category {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: rgba(232, 134, 45, 0.1);
  padding: 2px 8px;
  border-radius: 12px;
}

.announcement-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.announcement-body {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  white-space: pre-wrap;
}

.announcement-attachments {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-3);
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background-color: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.attachment-chip:hover {
  background-color: var(--color-border);
}