/* ===============================================
   STUDENT-FOCUSED ACCESSIBILITY ENHANCEMENTS
   =============================================== */

/* High Contrast Mode for Better Visibility */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000 !important;
        --text-secondary: #1a1a1a !important;
        --bg-primary: #ffffff !important;
        --bg-secondary: #f5f5f5 !important;
        --primary-blue: #0066cc !important;
        --border-primary: #333333 !important;
    }
    
    .modal-content,
    .feature-card,
    .hostel-card {
        border: 2px solid #333333 !important;
    }
}

/* Focus Indicators for Keyboard Navigation */
button:focus,
input:focus,
select:focus,
textarea:focus,
.btn:focus,
.nav-link:focus {
    outline: 3px solid #3b82f6 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3) !important;
}

/* Large Click Targets for Mobile Users */
@media (max-width: 768px) {
    button,
    .btn,
    .cta-button,
    .nav-link,
    input[type="submit"] {
        min-height: 48px !important;
        min-width: 48px !important;
        padding: 12px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
    
    input,
    select,
    textarea {
        min-height: 48px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        padding: 12px !important;
    }
}

/* Enhanced Error and Success Messages */
.error-message {
    background: #fee2e2 !important;
    border: 2px solid #dc2626 !important;
    color: #991b1b !important;
    padding: 12px 16px !important;
    border-radius: 8px !important;
    font-weight: 500 !important;
    margin: 10px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.error-message::before {
    content: "⚠️";
    font-size: 18px;
}

.success-message {
    background: #d1fae5 !important;
    border: 2px solid #059669 !important;
    color: #065f46 !important;
    padding: 12px 16px !important;
    border-radius: 8px !important;
    font-weight: 500 !important;
    margin: 10px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.success-message::before {
    content: "✅";
    font-size: 18px;
}

/* Loading States for Slow Connections */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
}

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

/* Improved Connection Status Indicator */
.connection-status {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 10000;
    transition: all 0.3s ease;
}

.connection-status.online {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.connection-status.offline {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

.connection-status.demo {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Enhanced Touch Targets for Better Mobile UX */
@media (max-width: 768px) {
    .feature-card,
    .hostel-card {
        margin-bottom: 20px !important;
        padding: 20px !important;
        cursor: pointer;
        transition: transform 0.2s ease;
    }
    
    .feature-card:active,
    .hostel-card:active {
        transform: scale(0.98);
    }
    
    /* Larger modal close buttons */
    .modal-close {
        width: 44px !important;
        height: 44px !important;
        font-size: 24px !important;
    }
    
    /* Better form spacing on mobile */
    .form-group {
        margin-bottom: 20px !important;
    }
    
    .form-group label {
        font-size: 16px !important;
        margin-bottom: 8px !important;
        font-weight: 600 !important;
    }
}

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

/* Dark Mode Accessibility Improvements */
@media (prefers-color-scheme: dark) {
    .error-message {
        background: #7f1d1d !important;
        border-color: #dc2626 !important;
        color: #fca5a5 !important;
    }
    
    .success-message {
        background: #14532d !important;
        border-color: #059669 !important;
        color: #86efac !important;
    }
    
    /* Better contrast for form elements */
    input,
    select,
    textarea {
        background: #374151 !important;
        border-color: #6b7280 !important;
        color: #f9fafb !important;
    }
    
    input:focus,
    select:focus,
    textarea:focus {
        border-color: #60a5fa !important;
        background: #4b5563 !important;
    }
}

/* Internet Connection Warning */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #f59e0b;
    color: #ffffff;
    text-align: center;
    padding: 12px;
    font-weight: 600;
    z-index: 10001;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.offline-banner.show {
    transform: translateY(0);
}

.offline-banner::before {
    content: "📶 ";
    margin-right: 8px;
}

/* Screen Reader Only Content */
.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;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #3b82f6;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10002;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* Better Button States */
button:disabled,
.btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

button:hover:not(:disabled),
.btn:hover:not(:disabled) {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

/* Print Styles for Students Who Want to Save Info */
@media print {
    .navbar,
    .modal,
    .cta-buttons,
    .floating-elements {
        display: none !important;
    }
    
    .hostel-card,
    .feature-card {
        break-inside: avoid;
        border: 1px solid #333 !important;
        margin-bottom: 20px !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Network-Aware Loading */
.slow-connection .lazy-load {
    background: #f3f4f6;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    font-style: italic;
}

.slow-connection .lazy-load::before {
    content: "Loading...";
}

/* Enhanced Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 10003;
    transform: translateX(450px);
    transition: transform 0.3s ease;
    font-weight: 500;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: #d1fae5;
    border-left: 4px solid #059669;
    color: #065f46;
}

.notification.error {
    background: #fee2e2;
    border-left: 4px solid #dc2626;
    color: #991b1b;
}

.notification.info {
    background: #dbeafe;
    border-left: 4px solid #3b82f6;
    color: #1e40af;
}

.notification.warning {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    color: #92400e;
}