/* ============================================
   Tamil Nadu Blood Bank Management System
   Design System & Global Styles
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --primary: #B71C1C;
  --primary-light: #E53935;
  --primary-dark: #7F0000;
  --primary-bg: rgba(183, 28, 28, 0.06);
  --primary-bg-hover: rgba(183, 28, 28, 0.12);
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --success: #2E7D32;
  --success-bg: rgba(46, 125, 50, 0.08);
  --warning: #F57F17;
  --warning-bg: rgba(245, 127, 23, 0.08);
  --info: #1565C0;
  --info-bg: rgba(21, 101, 192, 0.08);
  --danger: #D32F2F;
  --danger-bg: rgba(211, 47, 47, 0.08);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 6px 10px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  --font-primary: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-7: 56px;
  --spacing-8: 64px;
  --header-height: 64px;
  --bottom-nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background: var(--white);
  color: var(--gray-900);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: calc(var(--bottom-nav-height) + 16px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-600); }
.text-center { text-align: center; }
.text-right { text-align: right; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  color: var(--gray-700);
  line-height: 1.7;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

.section {
  padding: var(--spacing-5) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-4);
}

.section-title h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-1);
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--gray-600);
  margin-top: var(--spacing-2);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Card Base --- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.card-body {
  padding: var(--spacing-3);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-1);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.938rem;
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(183, 28, 28, 0.35);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

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

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

.btn-white:hover {
  background: var(--gray-50);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--success);
  color: var(--white);
}

.btn-success:hover {
  background: #1B5E20;
}

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

.btn-danger:hover {
  background: #B71C1C;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.063rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.813rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--spacing-3);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.938rem;
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(183, 28, 28, 0.12);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23757575' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
  cursor: pointer;
}

.form-error {
  color: var(--danger);
  font-size: 0.813rem;
  margin-top: 4px;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-2);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
  overflow: hidden;
}

.header-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header-title-group {
  display: flex;
  flex-direction: column;
}

.header-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.header-subtitle {
  font-size: 0.688rem;
  color: var(--gray-600);
  line-height: 1.3;
  display: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: all var(--transition-fast);
  position: relative;
}

.header-icon-btn:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.header-icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--white);
}

/* --- Side Navigation (Mobile Drawer) --- */
.side-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.side-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--white);
  z-index: 2001;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.side-nav.active {
  transform: translateX(0);
}

.side-nav-header {
  background: var(--primary);
  padding: var(--spacing-3);
  display: flex;
  align-items: center;
  gap: 12px;
}

.side-nav-header .header-logo {
  background: var(--white);
  color: var(--primary);
}

.side-nav-header-text h3 {
  color: var(--white);
  font-size: 1rem;
}

.side-nav-header-text p {
  color: rgba(255,255,255,0.8);
  font-size: 0.75rem;
}

.side-nav-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--white);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.side-nav-close:hover {
  background: rgba(255,255,255,0.2);
}

.side-nav-menu {
  padding: var(--spacing-2) 0;
}

.side-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px var(--spacing-3);
  color: var(--gray-800);
  font-weight: 500;
  font-size: 0.938rem;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.side-nav-item:hover,
.side-nav-item.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-left-color: var(--primary);
}

.side-nav-item .nav-icon {
  width: 22px;
  text-align: center;
  font-size: 1.125rem;
}

.side-nav-divider {
  height: 1px;
  background: var(--gray-200);
  margin: var(--spacing-1) var(--spacing-3);
}

/* --- Hero Banner --- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #4A0000 100%);
  color: var(--white);
  padding: calc(var(--header-height) + var(--spacing-4)) var(--spacing-2) var(--spacing-5);
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: var(--radius-full);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: var(--radius-full);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  width: 100%;
}

.hero-text {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.813rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--spacing-1);
  line-height: 1.2;
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.063rem;
  margin-bottom: var(--spacing-3);
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-illustration {
  flex: 0 0 auto;
  display: none;
}

.hero-blood-drop {
  width: 200px;
  height: 260px;
  position: relative;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-blood-drop svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.2));
}

/* --- Statistics Section --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2);
  margin-top: calc(-1 * var(--spacing-4));
  position: relative;
  z-index: 2;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--spacing-1);
}

.stat-icon.red { background: var(--primary-bg); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2);
}

.service-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.service-card:hover {
  background: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  background: var(--primary-bg);
  color: var(--primary);
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.05);
}

.service-name {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.3;
}

/* --- Emergency Card --- */
.emergency-card {
  background: linear-gradient(135deg, var(--danger) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.emergency-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: var(--radius-full);
}

.emergency-card .pulse-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-2);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.emergency-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-1);
}

.emergency-card p {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-3);
}

/* --- Eligibility Section --- */
.eligibility-section {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4);
}

.eligibility-section h3 {
  margin-bottom: var(--spacing-1);
}

.eligibility-section > p {
  margin-bottom: var(--spacing-3);
}

.eligibility-criteria {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: var(--spacing-3);
}

.eligibility-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.eligibility-item .check-icon {
  color: var(--success);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.eligibility-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Announcements Section --- */
.announcements-scroll {
  display: flex;
  gap: var(--spacing-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-2);
  scrollbar-width: none;
}

.announcements-scroll::-webkit-scrollbar {
  display: none;
}

.announcement-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.announcement-card:hover {
  box-shadow: var(--shadow-md);
}

.announcement-img {
  height: 140px;
  background: linear-gradient(135deg, var(--primary-bg), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.announcement-body {
  padding: var(--spacing-2);
}

.announcement-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.announcement-tag.camp { background: var(--primary-bg); color: var(--primary); }
.announcement-tag.awareness { background: var(--info-bg); color: var(--info); }
.announcement-tag.govt { background: var(--success-bg); color: var(--success); }

.announcement-body h4 {
  font-size: 0.938rem;
  margin-bottom: 4px;
}

.announcement-body p {
  font-size: 0.813rem;
  color: var(--gray-600);
}

/* --- Health Tips --- */
.health-tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2);
}

.health-tip-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition-normal);
}

.health-tip-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.health-tip-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--spacing-1);
}

.health-tip-card h4 {
  font-size: 0.938rem;
  margin-bottom: var(--spacing-1);
}

.health-tip-card ul {
  text-align: left;
}

.health-tip-card li {
  font-size: 0.813rem;
  color: var(--gray-600);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.health-tip-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* --- Floating AI Assistant --- */
.ai-assistant {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 16px);
  right: 16px;
  z-index: 999;
}

.ai-assistant-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(183, 28, 28, 0.4);
  transition: all var(--transition-normal);
  position: relative;
}

.ai-assistant-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(183, 28, 28, 0.5);
}

.ai-assistant-label {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--gray-900);
  color: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.ai-assistant:hover .ai-assistant-label {
  opacity: 1;
}

.ai-assistant-chat {
  position: absolute;
  bottom: 64px;
  right: 0;
  width: 320px;
  max-width: calc(100vw - 32px);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: none;
}

.ai-assistant-chat.open {
  display: block;
  animation: slideUp 0.3s ease;
}

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

.ai-chat-header {
  background: var(--primary);
  color: var(--white);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-chat-header h4 {
  color: var(--white);
  font-size: 0.938rem;
}

.ai-chat-messages {
  height: 240px;
  overflow-y: auto;
  padding: var(--spacing-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-message {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
}

.ai-message.bot {
  background: var(--gray-100);
  color: var(--gray-800);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-message.user {
  background: var(--primary);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.ai-chat-input {
  display: flex;
  border-top: 1px solid var(--gray-200);
}

.ai-chat-input input {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.875rem;
}

.ai-chat-input button {
  padding: 12px 16px;
  color: var(--primary);
  font-weight: 600;
}

/* --- Bottom Navigation --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 998;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  color: var(--gray-500);
  font-size: 0.688rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.bottom-nav-item .nav-icon {
  font-size: 1.375rem;
  transition: transform var(--transition-fast);
}

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

.bottom-nav-item.active .nav-icon {
  transform: scale(1.1);
}

.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 3px 3px;
}

.bottom-nav-item.donate-btn {
  margin-top: -20px;
}

.bottom-nav-item.donate-btn .nav-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(183, 28, 28, 0.35);
}

/* --- Page Header (Internal Pages) --- */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: calc(var(--header-height) + var(--spacing-3)) var(--spacing-2) var(--spacing-3);
  position: relative;
}

.page-header h1 {
  color: var(--white);
  font-size: 1.375rem;
  margin-bottom: 4px;
}

.page-header p {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
}

.page-header-back {
  position: absolute;
  top: calc(var(--header-height) + 12px);
  left: var(--spacing-2);
  color: var(--white);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.page-header-back:hover {
  background: rgba(255,255,255,0.15);
}

/* --- Blood Type Badges --- */
.blood-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.813rem;
}

.blood-type.apos { background: #FFEBEE; color: #C62828; }
.blood-type.aneg { background: #E8EAF6; color: #283593; }
.blood-type.bpos { background: #FFF3E0; color: #E65100; }
.blood-type.bneg { background: #E0F2F1; color: #00695C; }
.blood-type.abpos { background: #FCE4EC; color: #880E4F; }
.blood-type.abneg { background: #F3E5F5; color: #6A1B9A; }
.blood-type.opos { background: #E8F5E9; color: #2E7D32; }
.blood-type.oneg { background: #FFF8E1; color: #F57F17; }

/* --- Availability Status --- */
.status-available {
  color: var(--success);
  font-weight: 600;
}

.status-limited {
  color: var(--warning);
  font-weight: 600;
}

.status-unavailable {
  color: var(--danger);
  font-weight: 600;
}

/* --- Table Styles --- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
}

.data-table tr:hover td {
  background: var(--gray-50);
}

/* --- Tabs --- */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--gray-200);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-600);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

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

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
  padding: var(--spacing-3) 0;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Alert / Toast --- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: var(--spacing-2);
}

.alert-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}

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

.alert-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(245, 127, 23, 0.2);
}

.alert-info {
  background: var(--info-bg);
  color: var(--info);
  border: 1px solid rgba(21, 101, 192, 0.2);
}

.alert-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(211, 47, 47, 0.2);
}

/* --- Toast Notification --- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 8px);
  right: 16px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease, slideOut 0.3s ease 2.7s forwards;
  max-width: 320px;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2);
}

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

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: var(--spacing-3);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.125rem;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.modal-body {
  padding: var(--spacing-3);
}

.modal-footer {
  padding: var(--spacing-3);
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* --- Chip / Tag --- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.813rem;
  font-weight: 500;
  background: var(--gray-100);
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.chip:hover {
  background: var(--gray-200);
}

.chip.active {
  background: var(--primary);
  color: var(--white);
}

/* --- Progress Bar --- */
.progress {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.6s ease;
}

.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* --- Loading Skeleton --- */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--spacing-6) var(--spacing-3);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-2);
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: var(--spacing-1);
}

.empty-state p {
  color: var(--gray-500);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-3);
}

/* --- Responsive: Tablet (768px+) --- */
@media (min-width: 768px) {
  .header-subtitle {
    display: block;
  }

  .hero {
    min-height: 520px;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .hero-illustration {
    display: block;
  }

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

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .eligibility-criteria {
    grid-template-columns: repeat(2, 1fr);
  }

  .health-tips-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bottom-nav {
    display: none;
  }

  body {
    padding-bottom: 0;
  }

  .ai-assistant {
    bottom: 24px;
    right: 24px;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
}

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .container {
    padding: 0 var(--spacing-4);
  }

  .section {
    padding: var(--spacing-7) 0;
  }

  .stat-number {
    font-size: 2.25rem;
  }
}

/* --- Print Styles --- */
@media print {
  .header, .bottom-nav, .ai-assistant, .hero-buttons {
    display: none !important;
  }
  body {
    padding-bottom: 0;
  }
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* --- Accessibility --- */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

/* --- Page Specific: Login Forms --- */
.login-container {
  max-width: 440px;
  margin: 0 auto;
  padding: var(--spacing-3);
}

.login-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.login-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-4);
  text-align: center;
  color: var(--white);
}

.login-header .login-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto var(--spacing-2);
}

.login-header h2 {
  color: var(--white);
  font-size: 1.25rem;
}

.login-header p {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
}

.login-body {
  padding: var(--spacing-4);
}

.login-footer {
  text-align: center;
  padding: 0 var(--spacing-4) var(--spacing-4);
  font-size: 0.875rem;
  color: var(--gray-600);
}

.login-footer a {
  color: var(--primary);
  font-weight: 600;
}

/* --- Dashboard Specific --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2);
}

.dashboard-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
}

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

.dashboard-card-header h4 {
  font-size: 0.938rem;
}

.dashboard-card-header .card-action {
  font-size: 0.813rem;
  color: var(--primary);
  font-weight: 600;
}

.mini-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.mini-stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.mini-stat-info .mini-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}

.mini-stat-info .mini-stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* --- Blood Availability Specific --- */
.search-filter-bar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--spacing-3);
}

.search-filter-row {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  align-items: flex-end;
}

.search-filter-row .form-group {
  flex: 1;
  min-width: 140px;
  margin-bottom: 0;
}

.availability-results {
  display: grid;
  gap: var(--spacing-2);
}

.blood-bank-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.blood-bank-card:hover {
  box-shadow: var(--shadow-md);
}

.blood-bank-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.blood-bank-card h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.blood-bank-card .distance {
  font-size: 0.813rem;
  color: var(--primary);
  font-weight: 600;
}

.blood-bank-card .address {
  font-size: 0.813rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.blood-units-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blood-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  min-width: 52px;
  border: 1px solid var(--gray-200);
}

.blood-unit .type {
  font-weight: 700;
  font-size: 0.813rem;
  color: var(--primary);
}

.blood-unit .count {
  font-size: 0.75rem;
  color: var(--gray-600);
}

.blood-unit.available { border-color: rgba(46, 125, 50, 0.3); background: var(--success-bg); }
.blood-unit.limited { border-color: rgba(245, 127, 23, 0.3); background: var(--warning-bg); }
.blood-unit.unavailable { border-color: rgba(211, 47, 47, 0.3); background: var(--danger-bg); }

/* --- Camp Card --- */
.camp-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

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

.camp-card-banner {
  height: 120px;
  background: linear-gradient(135deg, var(--primary-bg), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
}

.camp-card-banner .camp-date-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.camp-card-body {
  padding: var(--spacing-2);
}

.camp-card-body h4 {
  font-size: 0.938rem;
  margin-bottom: 4px;
}

.camp-card-body p {
  font-size: 0.813rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-1);
}

.camp-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-2) var(--spacing-2);
}

.camp-card-footer .camp-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
}

.camp-status.upcoming { background: var(--info-bg); color: var(--info); }
.camp-status.ongoing { background: var(--success-bg); color: var(--success); }
.camp-status.completed { background: var(--gray-100); color: var(--gray-600); }

/* --- Donor Profile --- */
.profile-header {
  text-align: center;
  padding: var(--spacing-4) var(--spacing-3);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin: calc(-1 * var(--spacing-2));
  margin-bottom: var(--spacing-3);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--spacing-2);
  border: 3px solid rgba(255,255,255,0.3);
}

.profile-header h2 {
  color: var(--white);
  font-size: 1.25rem;
}

.profile-header p {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-2);
}

.profile-stat {
  text-align: center;
}

.profile-stat .value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.profile-stat .label {
  font-size: 0.688rem;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
}

.profile-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px var(--spacing-3);
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition-fast);
}

.profile-menu-item:hover {
  background: var(--gray-50);
}

.profile-menu-item .menu-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.profile-menu-item .menu-text {
  flex: 1;
}

.profile-menu-item .menu-text h5 {
  font-size: 0.938rem;
  margin-bottom: 1px;
}

.profile-menu-item .menu-text p {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.profile-menu-item .menu-arrow {
  color: var(--gray-400);
}

/* --- Emergency Request --- */
.emergency-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
}

.emergency-alert-banner {
  background: linear-gradient(135deg, var(--danger) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: var(--spacing-3);
}

.emergency-alert-banner .pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

.emergency-contacts {
  display: grid;
  gap: var(--spacing-2);
  margin-top: var(--spacing-3);
}

.emergency-contact-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--spacing-2);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
}

.emergency-contact-card .contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--primary);
  flex-shrink: 0;
}

.emergency-contact-card .contact-info h5 {
  font-size: 0.875rem;
}

.emergency-contact-card .contact-info p {
  font-size: 0.813rem;
  color: var(--primary);
  font-weight: 600;
}

/* --- Feedback --- */
.feedback-options {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

.feedback-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: var(--spacing-2);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 80px;
}

.feedback-option:hover,
.feedback-option.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.feedback-option .emoji {
  font-size: 2rem;
}

.feedback-option .label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* --- Eligibility Checker --- */
.eligibility-step {
  display: none;
}

.eligibility-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: var(--spacing-3);
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--gray-300);
  transition: all var(--transition-fast);
}

.step-dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 5px;
}

.step-dot.completed {
  background: var(--success);
}

.eligibility-question {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--spacing-2);
}

.eligibility-question h4 {
  font-size: 0.938rem;
  margin-bottom: var(--spacing-2);
}

.question-options {
  display: flex;
  gap: 12px;
}

.question-option {
  flex: 1;
  padding: 12px;
  text-align: center;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.question-option:hover {
  border-color: var(--primary);
}

.question-option.yes.selected {
  border-color: var(--success);
  background: var(--success-bg);
  color: var(--success);
}

.question-option.no.selected {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: var(--danger);
}

.eligibility-result {
  text-align: center;
  padding: var(--spacing-4);
}

.eligibility-result .result-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-2);
}

.eligibility-result h3 {
  margin-bottom: var(--spacing-1);
}

/* --- Camp Registration Form --- */
.camp-reg-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
}

/* --- Donor History --- */
.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--spacing-2);
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  margin-bottom: 10px;
}

.history-date {
  text-align: center;
  min-width: 52px;
  flex-shrink: 0;
}

.history-date .day {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.history-date .month {
  font-size: 0.688rem;
  color: var(--gray-600);
  text-transform: uppercase;
}

.history-details h5 {
  font-size: 0.875rem;
}

.history-details p {
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* --- Counter Animation --- */
.count-up {
  display: inline-block;
}