/*
 * SAVIO - "The Quiet Web" + "Utility-First Design"
 * High-contrast, low-bandwidth, emergency-ready design
 * System fonts, flat design, persistent navigation
 */

/* ============================================
   CSS VARIABLES - UTILITY FIRST
   ============================================ */
:root {
  /* Core Colors - High Contrast */
  --white: #FFFFFF;
  --black: #000000;
  --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;
  
  /* Emergency Colors - International Standards */
  /* Use ONLY for warnings and critical actions */
  --emergency-red: #D32F2F;
  --emergency-orange: #E65100;
  --emergency-yellow: #FFC107;
  
  /* Functional Colors */
  --success: #2E7D32;
  --info: #0277BD;
  --border-color: #000000;
  
  /* System Font Stack - Fast Loading */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 
                 "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", 
                 "Segoe UI Emoji", "Segoe UI Symbol";
  --font-mono: "SF Mono", SFMono-Regular, ui-monospace, "DejaVu Sans Mono",
               Menlo, Consolas, monospace;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  
  /* Border Radius - Minimal */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 8px;
  
  /* Transitions - Minimal for emergency clarity */
  --transition-fast: 0.1s ease;
  --transition-base: 0.15s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Minimal Scrollbar - Quiet Web Design */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--gray-400) transparent;
}

/* Hide scrollbar for mobile - touch scrolling is natural */
@media (max-width: 768px) {
  ::-webkit-scrollbar {
    width: 0;
    height: 0;
  }
  
  * {
    scrollbar-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-system);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--black);
  background-color: var(--white);
  min-height: 100vh;
  padding-top: 60px;
  padding-bottom: 80px; /* Space for bottom emergency bar */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Remove background decoration - flat design */
.main-background {
  display: none;
}

/* ============================================
   TYPOGRAPHY - CLEAR & LEGIBLE
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: var(--space-3);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-800);
}

small {
  font-size: 0.875rem;
}

.text-muted {
  color: var(--gray-600) !important;
}

/* ============================================
   NAVIGATION - BRUTALIST UTILITY
   ============================================ */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--white);
  border-bottom: 2px solid var(--black);
  padding: 0 var(--space-4);
  z-index: 1040;
  /* Remove blur/glass effect */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black) !important;
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--emergency-red);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}

.brand-text {
  letter-spacing: -0.5px;
}

/* Hamburger Menu - Brutalist */
.hamburger-menu {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1041;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background: var(--black);
  border-radius: 0;
  transition: transform var(--transition-base);
  transform-origin: center;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Mobile Navigation Menu - Flat */
.nav-menu {
  position: fixed;
  top: 60px;
  right: -100%;
  width: 280px;
  height: calc(100vh - 60px);
  background: var(--white);
  border-left: 2px solid var(--black);
  transition: right var(--transition-base);
  z-index: 1039;
  overflow-y: auto;
}

.nav-menu.active {
  right: 0;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  border-bottom: 1px solid var(--gray-300);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  color: var(--black);
  text-decoration: none;
  font-weight: 500;
  gap: var(--space-3);
}

.nav-link i {
  font-size: 1.25rem;
  color: var(--black);
  width: 24px;
  text-align: center;
}

.nav-link:hover,
.nav-link:focus {
  background: var(--gray-100);
  outline: none;
}

.nav-link.active {
  background: var(--black);
  color: var(--white);
}

.nav-link.active i {
  color: var(--white);
}

/* Backdrop Overlay */
.nav-backdrop {
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100% - 60px);
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base);
  z-index: 1038;
}

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

/* Desktop Navigation */
@media (min-width: 992px) {
  .hamburger-menu {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    overflow-y: visible;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .nav-item {
    border-bottom: none;
  }

  .nav-link {
    padding: var(--space-2) var(--space-3);
    border: 2px solid transparent;
    font-size: 0.95rem;
  }

  .nav-link:hover {
    border-color: var(--black);
  }

  .nav-link.active {
    background: var(--black);
  }

  .nav-backdrop {
    display: none;
  }
}

/* ============================================
   CONTENT WRAPPER
   ============================================ */
.content-wrapper {
  min-height: calc(100vh - 60px);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ============================================
   CARDS - FLAT UTILITY DESIGN
   ============================================ */
.card {
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  /* Remove shadow */
  box-shadow: none;
}

.card:hover {
  /* No hover transform */
  transform: none;
  box-shadow: none;
}

.card-body {
  padding: var(--space-4);
}

.card-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--black);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title i {
  font-size: 1.25rem;
}

/* ============================================
   BUTTONS - BRUTALIST UTILITY
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-system);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 2px solid var(--black);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
  /* Remove shadow */
  box-shadow: none;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--black);
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}

.btn i {
  font-size: 1em;
}

/* Button Variants */
.btn-primary,
.btn-danger {
  background: var(--emergency-red);
  color: var(--white);
  border-color: var(--emergency-red);
}

.btn-primary:hover,
.btn-danger:hover {
  background: #B71C1C;
  border-color: #B71C1C;
  box-shadow: 2px 2px 0 var(--black);
}

.btn-secondary {
  background: var(--gray-200);
  color: var(--black);
  border-color: var(--black);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

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

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

.btn-warning {
  background: var(--emergency-yellow);
  color: var(--black);
  border-color: var(--emergency-yellow);
}

.btn-warning:hover {
  background: #FFB300;
  border-color: #FFB300;
}

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

.btn-info:hover {
  background: #01579B;
  border-color: #01579B;
}

.btn-outline-primary {
  background: transparent;
  color: var(--emergency-red);
  border-color: var(--emergency-red);
}

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

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
}

/* Round buttons */
.btn.rounded-circle {
  border-radius: 50%;
  width: 44px;
  height: 44px;
  padding: 0;
}

/* ============================================
   SCAN CARDS - UTILITY FIRST
   ============================================ */
.scan-cards-container {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.scan-card {
  flex: 1;
  min-width: 140px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  /* Remove gradient and shadow */
  box-shadow: none;
}

.scan-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--black);
}

.scan-card:active {
  transform: translate(0, 0);
  box-shadow: none;
}

/* Scan card variants - Flat colors */
.scan-card-primary {
  background: var(--emergency-red);
  border-color: var(--emergency-red);
}

.scan-card-primary .scan-card-title {
  color: var(--white);
}

.scan-card-primary .scan-card-text {
  color: rgba(255, 255, 255, 0.85);
}

.scan-card-primary .scan-card-icon {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.scan-card-warning {
  background: var(--emergency-yellow);
  border-color: var(--emergency-orange);
}

.scan-card-warning .scan-card-title {
  color: var(--black);
}

.scan-card-warning .scan-card-text {
  color: var(--gray-700);
}

.scan-card-warning .scan-card-icon {
  background: rgba(0, 0, 0, 0.1);
  color: var(--black);
}

.scan-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.scan-card-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0;
}

.scan-card-text {
  font-size: 0.8rem;
  font-weight: 500;
  margin: 0;
  line-height: 1.3;
}

/* Active state */
.scan-card.active {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--black);
}

/* ============================================
   ALERT CARD - UTILITY
   ============================================ */
.alert-card {
  background: var(--info);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  /* Remove shadow */
  box-shadow: none;
}

.alert-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--black);
}

.alert-card:active {
  transform: translate(0, 0);
  box-shadow: none;
}

.alert-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  flex-shrink: 0;
}

.alert-card-content {
  flex: 1;
  min-width: 0;
}

.alert-card-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.alert-card-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  line-height: 1.3;
}

.alert-card-arrow {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.875rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.alert-card:hover .alert-card-arrow {
  transform: translateX(2px);
}

/* ============================================
   EMERGENCY BUTTONS - ALWAYS VISIBLE
   ============================================ */
.btn-emergency {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  height: 100%;
  min-height: 80px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  color: var(--black);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-emergency:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--black);
  background: var(--gray-100);
}

.btn-emergency i {
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
  color: var(--emergency-red);
}

.btn-emergency .fw-bold {
  font-size: 1.25rem;
}

/* ============================================
   CAMERA SECTION
   ============================================ */
.camera-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: var(--space-4) auto;
  border: 2px solid var(--black);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--black);
}

.camera-overlay-controls {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
}

#btn-torch {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  font-size: 1.1rem;
  color: var(--black);
}

#btn-torch.active {
  background: var(--emergency-yellow);
}

.zoom-container {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  pointer-events: auto;
}

.zoom-container input[type="range"] {
  flex-grow: 1;
  cursor: pointer;
}

#video,
#canvas,
#captured-image {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   RESULTS SECTION
   ============================================ */
.result-card {
  margin-bottom: var(--space-5);
}

.result-card .card-body {
  padding: var(--space-5);
}

@media (max-width: 575px) {
  .result-card .card-body {
    padding: var(--space-4);
  }
}

.result-content {
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.result-content h2,
.result-content h3,
.result-content h4 {
  color: var(--emergency-red);
  font-weight: 700;
  margin-top: var(--space-4);
  margin-bottom: var(--space-3);
}

.result-content h2:first-child,
.result-content h3:first-child,
.result-content h4:first-child {
  margin-top: 0;
}

.result-content p {
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.result-content li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-2);
  line-height: 1.5;
}

.result-content strong {
  color: var(--black);
}

.result-content em {
  color: var(--gray-700);
}

/* Progress/Danger Bar */
.progress {
  height: 16px;
  border-radius: var(--radius);
  background-color: var(--gray-200);
  border: 1px solid var(--black);
}

.progress-danger-bar {
  height: 16px;
}

.danger-labels {
  font-size: 0.75rem;
}

.progress-bar {
  border-radius: var(--radius);
  transition: width var(--transition-base);
}

/* ============================================
   ALERTS - FLAT UTILITY WITH PROPER COLORS
   ============================================ */
.alert {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  /* Remove shadow and gradient */
  box-shadow: none;
}

/* Danger Alert - Red/Critical */
.alert-danger {
  background-color: #FFEBEE !important;
  border-color: var(--emergency-red) !important;
  color: #B71C1C !important;
}

.alert-danger .alert-heading,
.alert-danger strong {
  color: #B71C1C !important;
}

.alert-danger i {
  color: var(--emergency-red) !important;
}

/* Warning Alert - Yellow/Orange */
.alert-warning {
  background-color: #FFF8E1 !important;
  border-color: var(--emergency-orange) !important;
  color: #E65100 !important;
}

.alert-warning .alert-heading,
.alert-warning strong {
  color: #E65100 !important;
}

.alert-warning i {
  color: var(--emergency-orange) !important;
}

/* Info Alert - Blue */
.alert-info {
  background-color: #E3F2FD !important;
  border-color: var(--info) !important;
  color: #01579B !important;
}

.alert-info .alert-heading,
.alert-info strong {
  color: #01579B !important;
}

.alert-info i {
  color: var(--info) !important;
}

/* Success Alert - Green */
.alert-success {
  background-color: #E8F5E9 !important;
  border-color: var(--success) !important;
  color: #1B5E20 !important;
}

.alert-success .alert-heading,
.alert-success strong {
  color: #1B5E20 !important;
}

.alert-success i {
  color: var(--success) !important;
}

.alert-heading {
  font-weight: 700;
  margin-bottom: var(--space-2);
}

/* ============================================
   LOADING STATES - MINIMAL
   ============================================ */
.spinner-border {
  width: 2.5rem;
  height: 2.5rem;
  border-width: 3px;
  border-color: var(--gray-300);
  border-right-color: var(--emergency-red);
}

/* ============================================
   FOOTER - MINIMAL
   ============================================ */
footer {
  border-top: 2px solid var(--black);
  padding: var(--space-4) 0;
  margin-top: var(--space-6) !important;
  background: var(--white);
  text-align: center;
}

footer small {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* ============================================
   ANIMATIONS - REDUCED FOR CALM
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse-critical {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4); 
  }
  50% { 
    box-shadow: 0 0 0 8px rgba(211, 47, 47, 0); 
  }
}

/* Critical Alert - Only for emergencies */
.critical-alert {
  animation: pulse-critical 1.5s infinite;
  border: 3px solid var(--emergency-red) !important;
}

/* Speaking animation */
@keyframes sound-pulse {
  0% { box-shadow: 0 0 0 0 rgba(2, 119, 189, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(2, 119, 189, 0); }
  100% { box-shadow: 0 0 0 0 rgba(2, 119, 189, 0); }
}

.btn-speaking {
  animation: sound-pulse 1.5s infinite;
  background-color: var(--info) !important;
  border-color: var(--info) !important;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.p-3 { padding: var(--space-3) !important; }
.py-5 { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.text-center { text-align: center !important; }
.fw-bold { font-weight: 700 !important; }
.w-100 { width: 100% !important; }

/* Grid */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(var(--space-2) * -1);
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding: 0 var(--space-2);
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
  padding: 0 var(--space-2);
}

.g-3 > * {
  padding: var(--space-2);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-3);
  }

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

  .scan-cards-container {
    flex-direction: column;
    gap: var(--space-2);
  }

  .scan-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .scan-card-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .alert-card {
    padding: var(--space-3);
    gap: var(--space-2);
  }

  .alert-card-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  /* Emergency buttons - larger on mobile */
  .btn-emergency {
    min-height: 90px;
  }
}

@media (max-width: 575px) {
  body {
    padding-bottom: 100px; /* More space for emergency bar */
  }

  .scan-card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .alert-card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .alert-card-arrow {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }
}

/* Landscape orientation */
@media (max-height: 500px) and (orientation: landscape) {
  body {
    padding-top: 50px;
    padding-bottom: 70px;
  }

  .glass-nav {
    height: 50px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .scan-card,
  .alert-card {
    padding: var(--space-2);
    gap: var(--space-2);
  }

  .scan-card-icon,
  .alert-card-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
}

/* ============================================
   ACCESSIBILITY - HIGH CONTRAST SUPPORT
   ============================================ */
@media (prefers-contrast: high) {
  :root {
    --gray-100: #F0F0F0;
    --gray-300: #CCCCCC;
    --gray-600: #666666;
  }

  .card,
  .btn,
  .scan-card,
  .alert-card,
  .btn-emergency {
    border-width: 3px;
  }

  .btn:hover {
    box-shadow: 3px 3px 0 var(--black);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .btn:hover,
  .scan-card:hover,
  .alert-card:hover,
  .btn-emergency:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 3px solid var(--emergency-red);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--emergency-red);
  outline-offset: 2px;
}

/* ============================================
   OFFLINE NOTIFICATION - CLEAR MESSAGING
   ============================================ */
.offline-notification {
  position: sticky;
  top: 60px;
  z-index: 999;
  animation: slideDown 0.3s ease-out;
  margin: 0 var(--space-3);
}

.error-container,
.offline-guide {
  animation: fadeIn 0.3s ease-in-out;
}

.offline-guide h4 {
  color: var(--emergency-red);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.offline-guide h5 {
  color: var(--black);
  font-weight: 600;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
}

.offline-guide ul,
.offline-guide ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-3);
}

.offline-guide li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

/* ============================================
   DISASTER ALERT PAGE SPECIFIC
   ============================================ */

/* Disaster Card Container */
.disasters-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Disaster Card - Clean & Organized */
.disaster-card {
  border: 2px solid var(--black);
  border-radius: var(--radius);
  padding: 0;
  background: var(--white);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: none;
  overflow: hidden;
}

.disaster-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--black);
}

/* Card Header with Icon and Type */
.disaster-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--gray-200);
}

.disaster-card.type-flood .disaster-card-header { background: #E3F2FD; }
.disaster-card.type-earthquake .disaster-card-header { background: #FFEBEE; }
.disaster-card.type-fire .disaster-card-header { background: #FFF3E0; }
.disaster-card.type-haze .disaster-card-header { background: #ECEFF1; }
.disaster-card.type-wind .disaster-card-header { background: #E0F7FA; }
.disaster-card.type-volcano .disaster-card-header { background: #FFEBEE; }

.disaster-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--white);
  border: 2px solid var(--black);
  flex-shrink: 0;
}

.disaster-card.type-flood .disaster-card-icon { color: #0288D1; }
.disaster-card.type-earthquake .disaster-card-icon { color: var(--emergency-red); }
.disaster-card.type-fire .disaster-card-icon { color: var(--emergency-orange); }
.disaster-card.type-haze .disaster-card-icon { color: var(--gray-600); }
.disaster-card.type-wind .disaster-card-icon { color: #00838F; }
.disaster-card.type-volcano .disaster-card-icon { color: var(--emergency-red); }

.disaster-card-title {
  flex: 1;
}

.disaster-card-title h6 {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--space-1);
  color: var(--black);
}

.disaster-card-title .disaster-time {
  font-size: 0.75rem;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Card Body */
.disaster-card-body {
  padding: var(--space-3) var(--space-4);
}

.disaster-card-location {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
}

.disaster-card-location i {
  color: var(--emergency-red);
  margin-top: 2px;
  flex-shrink: 0;
}

.disaster-card-description {
  font-size: 0.85rem;
  color: var(--gray-700);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

/* Card Footer with Meta */
.disaster-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--gray-200);
  margin-top: var(--space-2);
}

.disaster-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
  color: var(--gray-600);
}

.disaster-card-meta i {
  font-size: 0.9rem;
}

.disaster-card-meta.distance {
  font-weight: 600;
  color: var(--black);
}

/* Status Badge in Card */
.disaster-card-status {
  margin-left: auto;
}

.disaster-card-status .badge {
  font-size: 0.7rem;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
}

/* No Disasters State */
.no-disasters {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  color: var(--gray-600);
}

.no-disasters i {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  color: var(--success);
}

/* Legacy support - keep old classes working */
.disaster-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
}

.disaster-distance {
  font-weight: 600;
  color: var(--gray-600);
}

.disaster-time {
  font-size: 0.85rem;
  color: var(--gray-600);
}

.location-info {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 2px solid var(--black);
}

.location-info i {
  font-size: 1.25rem;
  color: var(--emergency-red);
}

.location-info .coordinate {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gray-600);
}

.last-updated {
  font-size: 0.75rem;
  color: var(--gray-600);
  text-align: center;
  margin-top: var(--space-4);
}

.no-disasters {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  color: var(--gray-600);
}

.no-disasters i {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  color: var(--success);
}

/* Risk Badge */
.risk-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--black);
}

.risk-badge i {
  margin-right: var(--space-2);
}

.risk-safe {
  background: var(--success);
  color: var(--white);
  border-color: var(--success);
}

.risk-caution {
  background: var(--info);
  color: var(--white);
  border-color: var(--info);
}

.risk-warning {
  background: var(--emergency-yellow);
  color: var(--black);
  border-color: var(--emergency-orange);
}

.risk-critical {
  background: var(--emergency-red);
  color: var(--white);
  border-color: var(--emergency-red);
  animation: pulse-critical 2s infinite;
}

/* Recommendation List */
.recommendation-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.recommendation-list li {
  padding: var(--space-3) 0;
  padding-left: var(--space-6);
  position: relative;
  border-bottom: 1px solid var(--gray-200);
}

.recommendation-list li:last-child {
  border-bottom: none;
}

.recommendation-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* Table styling - Flat */
.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
}

.table th,
.table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--gray-300);
}

.table thead th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--black);
  background: var(--gray-100);
}

.table tbody tr:hover {
  background-color: var(--gray-50);
}

.table-dark thead th {
  background: var(--black);
  color: var(--white);
}

/* Loading spinner in table */
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--gray-300);
  border-right-color: var(--emergency-red);
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
  100% {
    transform: rotate(360deg);
  }
}

/* ============================================
   STEP INDICATOR - PROGRESS INDICATOR
   ============================================ */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  opacity: 0.4;
  transition: opacity var(--transition-base);
}

.step-item.active {
  opacity: 1;
}

.step-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-200);
  border: 2px solid var(--black);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
}

.step-item.active .step-number {
  background: var(--emergency-red);
  color: var(--white);
  border-color: var(--emergency-red);
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
  text-align: center;
}

.step-item.active .step-label {
  color: var(--black);
}

.step-line {
  flex: 1;
  height: 2px;
  background: var(--gray-300);
  margin: 0 var(--space-2);
  max-width: 60px;
}

@media (max-width: 575px) {
  .step-label {
    font-size: 0.65rem;
  }
  
  .step-number {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }
  
  .step-line {
    max-width: 40px;
  }
}

/* ============================================
   EMERGENCY BAR - PERSISTENT NAVIGATION
   ============================================ */
.emergency-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw; /* Full viewport width, ignoring scrollbar */
  background: var(--black);
  border-top: 2px solid var(--black);
  z-index: 1050;
  /* Safe area for iOS */
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.emergency-bar-content {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: var(--space-2) var(--space-2);
  max-width: 500px;
  margin: 0 auto;
}

.emergency-bar-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--white);
  text-decoration: none;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-radius: var(--radius);
  min-width: 60px;
}

.emergency-bar-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.emergency-bar-btn:active {
  background: rgba(255, 255, 255, 0.2);
}

.emergency-bar-btn i {
  font-size: 1.25rem;
}

.emergency-bar-btn-danger {
  color: var(--emergency-red);
}

.emergency-bar-btn-danger:hover {
  background: var(--emergency-red);
  color: var(--white);
}

/* Emergency bar height for body padding */
body {
  padding-bottom: calc(80px + env(safe-area-inset-bottom, 0));
}

@media (max-width: 575px) {
  .emergency-bar-btn {
    min-width: 50px;
    font-size: 0.6rem;
  }
  
  .emergency-bar-btn i {
    font-size: 1.1rem;
  }
}

/* Hide emergency bar on desktop if needed */
@media (min-width: 1200px) {
  .emergency-bar {
    /* Optional: hide on very large screens */
    /* display: none; */
    /* Or keep it visible for consistency */
  }
}

/* ============================================
   QUICK ACTIONS SECTION
   ============================================ */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ============================================
   PROGRESS HINT - LOADING FEEDBACK
   ============================================ */
.progress-hint {
  padding: var(--space-2) var(--space-3);
  background: var(--gray-100);
  border-radius: var(--radius);
  display: inline-block;
}

.progress-hint small {
  color: var(--gray-500);
}

/* ============================================
   FLAT UTILITY ENHANCEMENTS
   ============================================ */
/* Rounded pill for badges */
.rounded-pill {
  border-radius: 50px;
}

/* Background utilities */
.bg-light {
  background-color: var(--gray-100) !important;
}

.bg-secondary {
  background-color: var(--gray-600) !important;
}

/* Border utility */
.border {
  border: 1px solid var(--gray-300) !important;
}

/* Form range styling - flat */
.form-range {
  width: 100%;
  height: 4px;
  background: var(--gray-400);
  border-radius: 2px;
  appearance: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 50%;
  cursor: pointer;
}

.form-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 50%;
  cursor: pointer;
}

/* Visually hidden for accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Shadow reset */
.shadow,
.shadow-sm {
  box-shadow: none !important;
}

/* Small text utility */
.small {
  font-size: 0.875rem;
}

/* Margin utilities */
.me-1 { margin-right: var(--space-1) !important; }
.me-2 { margin-right: var(--space-2) !important; }
.mx-2 { margin-left: var(--space-2) !important; margin-right: var(--space-2) !important; }

/* Responsive col-md */
@media (min-width: 768px) {
  .col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 var(--space-2);
  }
}

/* Icon utility */
.icon-large {
  font-size: 2rem;
}