:root {
    --primary-blue: #2196F3;
    --success-green: #4CAF50;
    --warning-amber: #FFC107;
    --danger-red: #F44336;
    --accent-purple: #9C27B0;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a1a;
    --text-primary: #000000;
    --text-secondary: #333333;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --header-height: 120px;
    --bottom-nav-height: 70px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #ffffff;
    color: var(--text-primary);
    line-height: 1.6;
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + 60px);
    min-height: 100vh;
}

/* Header */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: white;
    z-index: 1000;
    box-shadow: var(--shadow);
    height: var(--header-height);
    padding: 15px 20px;
}

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

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.header-controls {
    display: flex;
    gap: 10px;
}

.btn-icon {
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.location-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    background: #ffffff;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.status-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.status-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
}

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

.card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-content h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-green), var(--primary-blue));
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.risk-indicator {
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    text-align: center;
    font-size: 0.9rem;
}

.risk-low { background: var(--success-green); color: white; }
.risk-medium { background: var(--warning-amber); color: var(--text-primary); }
.risk-high { background: var(--danger-red); color: white; }

/* Quick Actions */
.quick-actions h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.4rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.action-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-blue);
}

.action-btn.emergency {
    background: linear-gradient(135deg, var(--danger-red), #d32f2f);
    color: white;
    border-color: var(--danger-red);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.action-btn i {
    font-size: 1.5rem;
}

/* Local Hazards */
.local-hazards h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.4rem;
}

.hazards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.hazard-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-blue);
    border: 1px solid var(--border-color);
}

.hazard-card.high { border-left-color: var(--danger-red); }
.hazard-card.medium { border-left-color: var(--warning-amber); }
.hazard-card.low { border-left-color: var(--success-green); }

.hazard-title {
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.hazard-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

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

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 18px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9rem;
}

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

/* Inventory Section */
.inventory-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.tab-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 10px 16px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

/* Inventory Grid */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.inventory-item {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
}

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

.inventory-item.acquired {
    border-left: 4px solid var(--success-green);
}

.inventory-item.missing {
    border-left: 4px solid var(--danger-red);
}

.inventory-item.expiring {
    border-left: 4px solid var(--warning-amber);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.item-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.item-category {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 12px;
}

.item-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.item-quantity, .item-expiry {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.item-actions {
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.btn-toggle.missing {
    background: var(--text-secondary);
}

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

.btn-small:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* Routes Section */
.routes-info {
    margin-bottom: 25px;
}

.info-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-card i {
    font-size: 1.5rem;
    opacity: 0.9;
}

.routes-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.route-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.route-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.route-location {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.location-info, .destination-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.location-info i, .destination-info i {
    color: var(--primary-blue);
    width: 16px;
    text-align: center;
}

.city-name, .destination-name {
    font-weight: 600;
    color: var(--text-primary);
}

.city-name {
    color: var(--accent-purple);
}

.destination-name {
    color: var(--success-green);
}

.route-title {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.route-priority {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-high { background: var(--danger-red); color: white; }
.priority-medium { background: var(--warning-amber); color: var(--text-primary); }
.priority-low { background: var(--success-green); color: white; }

.route-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.route-detail {
    text-align: center;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.detail-value {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.route-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.routes-tips {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.routes-tips h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.routes-tips ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.routes-tips li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.routes-tips li::before {
    content: "💡";
    font-size: 1rem;
}

/* Contacts Section */
.emergency-numbers {
    margin-bottom: 30px;
}

.emergency-numbers h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.official-contacts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.contact-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
}

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

.contact-card.official {
    border-left: 4px solid var(--danger-red);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-info {
    flex: 1;
}

.contact-info h4 {
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--danger-red);
    text-decoration: none;
}

.contact-call {
    background: var(--danger-red);
    color: white;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-call:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.personal-contacts h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.personal-contact {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-blue);
    border: 1px solid var(--border-color);
}

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

.contact-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.contact-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.contact-relationship {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 12px;
}

.contact-phone {
    font-size: 1rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 10px;
    display: block;
}

.contact-notes {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 15px;
}

.contact-actions {
    display: flex;
    gap: 10px;
}

/* FAQ Section */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question[aria-expanded="true"] {
    background: var(--primary-blue);
    color: white;
}

.faq-icon {
    font-size: 1.2rem;
    font-weight: bold;
    transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer:not([hidden]) {
    padding: 20px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 5px;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-form {
    padding: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Emergency Modal */
.emergency-modal .modal-content {
    border: 3px solid var(--danger-red);
    max-width: 600px;
}

.emergency-header {
    background: var(--danger-red);
    color: white;
    padding: 20px 25px;
    text-align: center;
}

.emergency-header h2 {
    margin: 0;
    font-size: 1.5rem;
    animation: pulse 1.5s infinite;
}

.emergency-actions {
    padding: 25px;
}

.emergency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.emergency-btn {
    background: var(--bg-primary);
    border: 3px solid;
    border-radius: var(--border-radius);
    padding: 20px 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    text-align: center;
}

.emergency-btn.police { 
    background: #1976d2; 
    border-color: #1976d2; 
}

.emergency-btn.fire { 
    background: #d32f2f; 
    border-color: #d32f2f; 
}

.emergency-btn.medical { 
    background: #388e3c; 
    border-color: #388e3c; 
}

.emergency-btn.civil-defense { 
    background: #f57c00; 
    border-color: #f57c00; 
}

.emergency-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.emergency-btn i {
    font-size: 2rem;
}

.emergency-info {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.emergency-info p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0;
    height: var(--bottom-nav-height);
    z-index: 1000;
    border-top: 1px solid var(--border-color);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 60px;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-blue);
    background: rgba(33, 150, 243, 0.1);
}

.nav-item i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
    line-height: 1.5;
}

/* Loading States */
.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.loading i {
    font-size: 1.2rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: 15px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .action-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .status-cards {
        grid-template-columns: 1fr;
    }
    
    .inventory-grid,
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    
    .official-contacts {
        grid-template-columns: 1fr;
    }
    
    .route-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .emergency-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .category-tabs {
        justify-content: flex-start;
    }
    
    .app-header h1 {
        font-size: 1.3rem;
    }
    
    .header-controls {
        gap: 5px;
    }
    
    .btn-icon {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 110px;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .emergency-grid {
        grid-template-columns: 1fr;
    }
    
    .route-details {
        grid-template-columns: 1fr;
    }
    
    .inventory-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }
    
    .nav-item span {
        font-size: 0.7rem;
    }
    
    .nav-item i {
        font-size: 1.1rem;
    }
}

/* Print Styles */
@media print {
    .app-header,
    .bottom-nav,
    .btn-primary,
    .btn-secondary,
    .action-btn,
    .modal {
        display: none !important;
    }
    
    body {
        padding: 0;
        background: white;
        color: black;
    }
    
    .section {
        display: block !important;
        page-break-after: always;
    }
    
    .section:last-child {
        page-break-after: avoid;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f0f0f0;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
    
    .btn-primary,
    .action-btn:hover {
        border: 2px solid #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .action-btn.emergency {
        animation: none;
    }
}