/* Tallawah - Mobile-First Styles */

:root {
  /* Colors */
  --primary: #28A745;
  --secondary: #007BFF;
  --danger: #DC143C;
  --warning: #FFA500;
  --success: #28A745;
  --dark: #212529;
  --light: #F8F9FA;
  --gray: #6C757D;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-xxl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.2);

  /* Z-index */
  --z-map: 1;
  --z-fab: 10;
  --z-sidebar: 20;
  --z-modal: 30;
  --z-toast: 40;
}

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--dark);
  background: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow: hidden; /* Prevent body scroll when map is present */
}

/* Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: var(--shadow-md);
  z-index: var(--z-fab);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  height: 56px;
}

.app-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Nearby Alert Banner */
.nearby-alert {
  background: linear-gradient(135deg, #DC143C 0%, #FF6B6B 100%);
  color: white;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.nearby-alert span {
  flex: 1;
  font-weight: 600;
}

.alert-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Main Content */
.main-content {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

/* Map */
.map-container {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: var(--z-map);
}

/* Floating Action Buttons (FAB) */
.fab-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  z-index: var(--z-fab);
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: white;
  color: var(--dark);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab:active {
  transform: scale(0.95);
}

.fab.primary {
  background: var(--primary);
  color: white;
  width: 64px;
  height: 64px;
  font-size: var(--font-size-xxl);
}

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

/* Buttons */
button {
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

.btn-primary, .btn-secondary, .btn-text {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: background 0.2s, transform 0.1s;
}

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

.btn-primary:hover {
  background: #218838;
}

.btn-secondary {
  background: var(--light);
  color: var(--dark);
  border: 1px solid var(--gray);
}

.btn-text {
  background: transparent;
  color: var(--secondary);
  padding: var(--spacing-sm);
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border-radius: 4px;
  border: none;
  background: white;
  color: var(--dark);
  font-weight: 600;
}

.btn-large {
  width: 100%;
  padding: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.icon-btn {
  background: transparent;
  border: none;
  font-size: var(--font-size-xl);
  padding: var(--spacing-sm);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-modal);
  overflow-y: auto;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  border-radius: 12px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

.modal-header h2 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid #DDD;
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.form-group small {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--gray);
  font-size: var(--font-size-sm);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.form-actions button {
  flex: 1;
}

.location-display {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  padding: var(--spacing-md);
  background: var(--light);
  border-radius: 8px;
}

.location-display span {
  font-size: var(--font-size-sm);
  color: var(--gray);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 56px;
  right: -300px;
  width: 300px;
  height: calc(100% - 56px);
  background: white;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-sidebar);
  transition: right 0.3s;
  overflow-y: auto;
}

.sidebar.active {
  right: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--light);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
}

.sidebar-nav a {
  padding: var(--spacing-lg);
  color: var(--dark);
  text-decoration: none;
  border-bottom: 1px solid var(--light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
}

.sidebar-nav a:hover {
  background: var(--light);
}

.badge {
  background: var(--danger);
  color: white;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Filter Panel */
.filter-panel {
  position: fixed;
  top: 56px;
  left: -300px;
  width: 300px;
  height: calc(100% - 56px);
  background: white;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-sidebar);
  transition: left 0.3s;
}

.filter-panel.active {
  left: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--light);
}

.panel-content {
  padding: var(--spacing-lg);
}

/* Auth Page */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: var(--spacing-lg);
}

.auth-container {
  width: 100%;
  max-width: 400px;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-header h1 {
  color: white;
  font-size: 36px;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.tagline {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-size-lg);
}

.auth-card {
  background: white;
  border-radius: 12px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-lg);
}

.auth-card h2 {
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

.auth-description {
  color: var(--gray);
  margin-bottom: var(--spacing-lg);
}

.divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-lg) 0;
  color: var(--gray);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid #DDD;
}

.divider span {
  padding: 0 var(--spacing-md);
}

.success-icon {
  font-size: 48px;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.auth-footer {
  text-align: center;
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
}

.auth-footer a {
  color: white;
  text-decoration: underline;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  color: white;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-lg);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 72px;
  right: var(--spacing-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  min-width: 250px;
  animation: toastSlideIn 0.3s ease-out;
}

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

.toast.fade-out {
  animation: toastFadeOut 0.3s ease-out;
}

@keyframes toastFadeOut {
  to { opacity: 0; transform: translateX(100%); }
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--secondary); }

/* Responsive */
@media (max-width: 480px) {
  .sidebar, .filter-panel {
    width: 100%;
    left: -100%;
    right: auto;
  }

  .sidebar.active {
    left: 0;
  }

  .filter-panel.active {
    left: 0;
  }

  .fab-container {
    bottom: var(--spacing-md);
    right: var(--spacing-sm);
  }

  .modal-content {
    margin: 0;
    border-radius: 12px 12px 0 0;
    max-height: 95vh;
  }
}

/* High contrast mode for outdoor visibility */
@media (prefers-contrast: high) {
  :root {
    --primary: #1B7A31;
    --secondary: #0056B3;
  }

  .app-header {
    border-bottom: 2px solid var(--dark);
  }
}

/* Touch-friendly sizes (min 44x44px) */
button, a, input, select, textarea {
  min-height: 44px;
}