/* ========================================
   PHASE 4: PWA & NOTIFICATIONS STYLES
   ======================================== */

/* === PWA Install Banner === */

.pwa-install-banner {
    position: fixed;
    bottom: -200px;
    left: 0;
    right: 0;
    z-index: 9999;
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    transition: bottom 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.pwa-install-banner.show {
    bottom: 0;
}

.install-banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
    color: white;
}

.install-icon {
    font-size: 2.5rem;
}

.install-text {
    flex: 1;
}

.install-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.install-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.btn-install {
    background: white;
    color: #667eea;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-install:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.btn-dismiss {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-dismiss:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* === Update Notification === */

.update-notification {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    background: #2ecc71;
    color: white;
    padding: 15px 25px;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: top 0.4s ease;
}

.update-notification.show {
    top: 0;
}

.update-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.update-icon {
    font-size: 1.5rem;
}

.update-text {
    font-weight: 600;
}

.btn-update {
    background: white;
    color: #2ecc71;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-update:hover {
    transform: scale(1.05);
}

/* === Offline Status Banner === */

.connection-status-banner {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9998;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: bottom 0.3s ease;
}

.connection-status-banner.show {
    bottom: 20px;
}

.offline-status {
    background: #e74c3c;
    color: white;
}

.online-status {
    background: #2ecc71;
    color: white;
}

/* === Offline Mode Badge === */

.offline-badge {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    background: #e74c3c;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 12px rgba(231, 76, 60, 0.4);
}

/* === PWA Mode Indicators === */

body.pwa-mode {
    padding-top: env(safe-area-inset-top);
}

body.pwa-mode #main-header {
    padding-top: calc(20px + env(safe-area-inset-top));
}

/* === PWA Settings Modal === */

.pwa-settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.pwa-settings-modal .modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pwa-settings-modal h2 {
    margin-bottom: 25px;
    color: var(--text-dark);
}

.pwa-settings-modal h3 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    margin-top: 20px;
}

.settings-section {
    margin-bottom: 25px;
}

.settings-section label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    cursor: pointer;
    color: var(--text-dark);
}

.settings-section input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.settings-section p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.settings-section button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.settings-section button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.pwa-settings-modal .btn-close {
    width: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s;
}

.pwa-settings-modal .btn-close:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* === Loading States === */

.pwa-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: pwa-spin 0.8s linear infinite;
}

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

/* === Notification Permission Prompt === */

.notification-permission-prompt {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    text-align: center;
}

.notification-permission-prompt .icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.notification-permission-prompt h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.notification-permission-prompt p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.5;
}

.notification-permission-prompt .button-group {
    display: flex;
    gap: 10px;
}

.notification-permission-prompt button {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.notification-permission-prompt .btn-allow {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
}

.notification-permission-prompt .btn-deny {
    background: var(--bg-tertiary);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

/* === Responsive PWA Styles === */

@media (max-width: 768px) {
    .pwa-install-banner {
        padding: 15px;
    }
    
    .install-banner-content {
        flex-wrap: wrap;
    }
    
    .install-actions {
        width: 100%;
        margin-top: 10px;
    }
    
    .btn-install, .btn-dismiss {
        flex: 1;
    }
    
    .update-notification {
        left: 10px;
        right: 10px;
        transform: none;
    }
    
    .offline-badge {
        top: 70px;
        right: 10px;
        font-size: 0.75rem;
        padding: 6px 12px;
    }
}

/* === Dark Mode PWA Styles === */

[data-theme="dark"] .pwa-settings-modal .modal-content {
    background: var(--bg-secondary);
}

[data-theme="dark"] .notification-permission-prompt {
    background: var(--bg-secondary);
}