/* Progressive Web App Styles */

/* Mobile Navigation & Auth Improvements - Enhanced touch targets */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        position: relative;
    }

    .nav-auth {
        position: relative;
        z-index: 1000;
    }

    .auth-buttons-card {
        display: flex;
        gap: 8px;
        background: rgba(15, 15, 30, 0.95);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(0, 255, 136, 0.2);
        border-radius: 15px;
        padding: 8px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    .auth-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 12px 15px !important;
        font-size: 0.85rem !important;
        min-width: 44px !important;
        min-height: 44px !important;
        white-space: nowrap;
        border-radius: 10px !important;
        transition: all 0.3s ease;
        flex: 1;
    }

    .auth-btn i {
        font-size: 14px;
    }

    .auth-text {
        font-weight: 600;
        font-family: 'Rajdhani', sans-serif;
    }

    .login-btn {
        background: linear-gradient(135deg, #00ff88, #00cc6a) !important;
        color: #0a0a15 !important;
        border: none !important;
    }

    .register-btn {
        background: linear-gradient(135deg, #ff0066, #cc0052) !important;
        color: #ffffff !important;
        border: none !important;
    }

    .auth-btn:hover, .auth-btn:active {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
    }

    .register-btn:hover, .register-btn:active {
        box-shadow: 0 4px 15px rgba(255, 0, 102, 0.3);
    }

    /* Improved touch targets for very small screens */
    @media (max-width: 480px) {
        .auth-text {
            display: none;
        }
        
        .auth-btn {
            padding: 14px !important;
            min-width: 48px;
            min-height: 48px;
        }
        
        .auth-btn i {
            font-size: 16px;
        }
        
        .audio-btn {
            width: 56px;
            height: 56px;
        }
        
        /* Better progress circle sizing */
        .progress-circle {
            width: 150px !important;
            height: 150px !important;
        }
        
        .progress-ring {
            width: 130px !important;
            height: 130px !important;
        }
        
        .progress-percentage {
            font-size: 1.8rem !important;
        }
    }

@media screen and (max-width: 768px) {
    /* Override main CSS mobile styles with more specific mobile navigation */
    .nav-menu {
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        width: 100% !important;
        height: calc(100vh - 70px) !important;
        background: rgba(10, 10, 21, 0.98) !important;
        backdrop-filter: blur(20px) !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        padding: 2rem 0 !important;
        gap: 0 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        z-index: 998 !important;
        border-top: 1px solid rgba(0, 255, 136, 0.2) !important;
        overflow-y: auto !important;
        display: flex !important;
    }

    .nav-menu.active {
        transform: translateX(0) !important;
    }

    .nav-link {
        padding: 18px 30px !important;
        font-size: 1.1rem !important;
        color: var(--text-primary) !important;
        text-decoration: none !important;
        border-bottom: 1px solid rgba(0, 255, 136, 0.1) !important;
        margin: 0 !important;
        width: 100% !important;
        text-align: left !important;
        transition: all 0.3s ease !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        position: relative !important;
        font-weight: 500 !important;
    }

    .nav-link:hover, .nav-link:focus {
        background: rgba(0, 255, 136, 0.15) !important;
        color: var(--primary-color) !important;
        padding-left: 40px !important;
        outline: none !important;
    }

    .nav-link::before {
        content: '' !important;
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 3px !important;
        height: 100% !important;
        background: var(--primary-color) !important;
        transform: scaleY(0) !important;
        transition: transform 0.3s ease !important;
        transform-origin: center !important;
    }

    .nav-link:hover::before {
        transform: scaleY(1) !important;
    }

    /* Fix navigation toggle button */
    .nav-toggle {
        display: flex !important;
        flex-direction: column !important;
        cursor: pointer !important;
        z-index: 1000 !important;
        padding: 8px !important;
        border-radius: 6px !important;
        transition: background-color 0.3s ease !important;
        order: 3 !important;
        background: none !important;
        border: none !important;
    }

    .nav-toggle:hover {
        background-color: rgba(0, 255, 136, 0.1) !important;
    }

    .nav-toggle .bar {
        width: 25px !important;
        height: 3px !important;
        background: var(--primary-color) !important;
        margin: 3px 0 !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        border-radius: 3px !important;
        transform-origin: center !important;
    }
}

    /* Enhanced tag filters for mobile */
    .tag-filters {
        justify-content: flex-start;
        gap: 0.5rem;
    }

    .filter-tag {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        min-height: 36px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Better posts container for mobile */
    .posts-container {
        margin-top: 1rem;
    }

    .post-card {
        margin-bottom: 1rem;
        padding: 1rem;
    }

    .post-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .post-actions {
        flex-direction: row;
        gap: 0.5rem;
    }

    .action-btn {
        min-width: 40px;
        min-height: 40px;
    }
}

/* Fix for Static Numbers Animation Bug */
.stat-number[data-target] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-number.animated,
.stat-number[data-animated="true"] {
    opacity: 1;
}

/* PWA Install Button */
.pwa-install-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 9999;
    display: none;
}

.pwa-install-btn {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border: none;
    padding: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.pwa-install-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.4);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Skeleton Loading for Posts */
.skeleton-post {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-primary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-text {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-primary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 24px;
    width: 70%;
}

.skeleton-content {
    height: 16px;
    width: 100%;
}

.skeleton-content:nth-child(2) {
    width: 90%;
}

.skeleton-content:nth-child(3) {
    width: 60%;
}

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

/* Error States */
.error-container {
    text-align: center;
    padding: 3rem 0;
    color: var(--accent-color);
}

.error-container i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.retry-btn {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 102, 0.3);
}

/* Mobile Keyboard Adjustments */
@media (max-width: 768px) {
    /* Modal Improvements for Mobile */
    .modal {
        width: 95% !important;
        max-width: 400px !important;
        margin: 10px auto !important;
        border-radius: 20px !important;
        backdrop-filter: blur(20px);
        background: rgba(15, 15, 30, 0.98) !important;
        border: 1px solid rgba(0, 255, 136, 0.2);
    }

    .modal-header {
        padding: 20px 20px 15px 20px;
        border-bottom: 1px solid rgba(0, 255, 136, 0.2);
    }

    .modal-header h2 {
        font-size: 1.5rem;
        color: var(--primary-color);
        text-align: center;
    }

    .modal-body {
        padding: 20px;
        max-height: calc(90vh - 140px);
        overflow-y: auto;
    }

    .auth-form {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .form-group {
        position: relative;
    }

    .form-input {
        width: 100%;
        padding: 15px 20px !important;
        font-size: 16px !important; /* Prevent zoom on iOS */
        border: 2px solid rgba(0, 255, 136, 0.2);
        border-radius: 12px !important;
        background: rgba(255, 255, 255, 0.05);
        color: var(--text-primary);
        transition: all 0.3s ease;
        font-family: 'Rajdhani', sans-serif;
        font-weight: 500;
    }

    .form-input:focus {
        border-color: var(--primary-color);
        background: rgba(0, 255, 136, 0.1);
        outline: none;
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
    }

    .form-input::placeholder {
        color: var(--text-secondary);
        opacity: 0.7;
    }

    .auth-submit-btn {
        padding: 15px 30px !important;
        font-size: 1.1rem !important;
        border-radius: 12px !important;
        background: linear-gradient(135deg, #00ff88, #00cc6a) !important;
        color: #0a0a15 !important;
        border: none;
        font-weight: 700;
        font-family: 'Rajdhani', sans-serif;
        cursor: pointer;
        transition: all 0.3s ease;
        min-height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    .auth-submit-btn:hover, .auth-submit-btn:active {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
    }

    .modal-close {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(255, 0, 102, 0.1);
        border: 1px solid rgba(255, 0, 102, 0.3);
        color: var(--accent-color);
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

    .modal-close:hover {
        background: rgba(255, 0, 102, 0.2);
        transform: scale(1.1);
    }

    .modal.keyboard-open {
        position: fixed;
        top: 0;
        height: 100vh;
        width: 100vw;
        max-width: none;
        max-height: none;
        border-radius: 0;
        margin: 0;
    }

    .modal.keyboard-open .modal-body {
        max-height: calc(100vh - 140px);
        overflow-y: auto;
    }

    /* Auth Switch Improvements */
    .modal-footer {
        padding: 15px 20px 20px 20px;
        border-top: 1px solid rgba(0, 255, 136, 0.1);
    }

    .auth-switch {
        text-align: center;
        color: var(--text-secondary);
        font-size: 0.95rem;
    }

    .auth-switch-btn {
        background: none;
        border: none;
        color: var(--primary-color);
        text-decoration: underline;
        cursor: pointer;
        font-family: 'Rajdhani', sans-serif;
        font-weight: 600;
        font-size: 0.95rem;
        transition: color 0.3s ease;
    }

    .auth-switch-btn:hover {
        color: #00ff88;
    }

    /* Dashboard Mobile Improvements */
    .dashboard-modal {
        width: 98% !important;
        max-width: none !important;
        height: 95vh !important;
        max-height: none !important;
        margin: 2.5vh auto !important;
        border-radius: 15px !important;
    }

    .dashboard-stats {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .stat-card {
        padding: 20px;
        border-radius: 12px;
        background: rgba(0, 255, 136, 0.1);
        border: 1px solid rgba(0, 255, 136, 0.2);
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .stat-card i {
        font-size: 2rem;
        color: var(--primary-color);
    }

    .admin-controls {
        margin-top: 25px;
    }

    .admin-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .admin-btn {
        padding: 15px 20px;
        border-radius: 10px;
        background: linear-gradient(135deg, rgba(255, 0, 102, 0.1), rgba(255, 0, 102, 0.05));
        border: 1px solid rgba(255, 0, 102, 0.3);
        color: var(--accent-color);
        font-family: 'Rajdhani', sans-serif;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .admin-btn:hover {
        background: linear-gradient(135deg, rgba(255, 0, 102, 0.2), rgba(255, 0, 102, 0.1));
        transform: translateY(-2px);
    }
}

/* Optimized touch targets */
.touch-target {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Better focus indicators for keyboard navigation */
.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Swipe gesture indicators */
.swipe-indicator {
    position: relative;
}

.swipe-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--text-muted);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    opacity: 0.5;
}

/* Network status indicator */
.network-status {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    z-index: 10000;
    display: none;
}

.network-status.offline {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateX(-50%) translateY(-100%); }
    to { transform: translateX(-50%) translateY(0); }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    .modal {
        /* Fix for iOS viewport issues */
        height: 100vh;
        height: -webkit-fill-available;
    }

    .form-input, .form-textarea {
        /* Prevent zoom on iOS */
        font-size: 16px;
    }

    /* Fix for iOS sticky positioning */
    .navbar {
        position: -webkit-sticky;
        position: sticky;
    }
}

/* Android Chrome specific fixes */
@media screen and (max-width: 768px) {
    /* Fix for Android Chrome viewport */
    .hero {
        height: 100vh;
        height: 100dvh;
    }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .anime-title {
        font-size: 1.5rem;
    }

    .modal {
        max-height: 90vh;
        width: 90%;
    }

    .navbar {
        padding: 0.5rem 0;
    }
}