/**
 * IndiManga PWA - Selective Chapter Caching Styles
 * Floating download button and chapter management UI
 * Theme: Red/Black/White signature design
 * Version: 1.0.4
 */

/* Floating Download Button */
.indimanga-download-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 9999;
    background: linear-gradient(135deg, #dc143c 0%, #b01030 100%);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow: hidden;
}

.indimanga-download-btn:hover {
    background: linear-gradient(135deg, #ff1744 0%, #dc143c 100%);
    box-shadow: 0 6px 20px rgba(220, 20, 60, 0.6);
    transform: translateY(-2px);
}

.indimanga-download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(220, 20, 60, 0.4);
}

.indimanga-download-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.indimanga-download-btn span {
    font-size: 15px;
    line-height: 1;
    white-space: nowrap;
}

/* Cached State */
.indimanga-download-btn.cached {
    background: linear-gradient(135deg, #2e7d32 0%, #1b5e20 100%);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.4);
}

.indimanga-download-btn.cached:hover {
    background: linear-gradient(135deg, #388e3c 0%, #2e7d32 100%);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.6);
}

/* Downloading State */
.indimanga-download-btn.downloading {
    background: linear-gradient(135deg, #f57c00 0%, #e65100 100%);
    box-shadow: 0 4px 15px rgba(245, 124, 0, 0.4);
    cursor: wait;
}

.indimanga-download-btn.downloading:hover {
    transform: none;
}

/* Progress Bar */
.indimanga-download-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0 0 50px 50px;
    overflow: hidden;
    display: none;
}

.indimanga-download-btn.downloading .indimanga-download-progress {
    display: block;
}

.indimanga-download-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    width: 0%;
    transition: width 0.3s ease;
}

/* Message Notifications */
.indimanga-cache-message {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: #ffffff;
    color: #000000;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    font-weight: 500;
    max-width: 400px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.indimanga-cache-message.show {
    opacity: 1;
    transform: translateX(0);
}

/* Success Message */
.indimanga-cache-message-success {
    background: linear-gradient(135deg, #2e7d32 0%, #1b5e20 100%);
    color: #ffffff;
    border-left: 4px solid #4caf50;
}

/* Error Message */
.indimanga-cache-message-error {
    background: linear-gradient(135deg, #c62828 0%, #b71c1c 100%);
    color: #ffffff;
    border-left: 4px solid #f44336;
}

/* Info Message */
.indimanga-cache-message-info {
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    color: #ffffff;
    border-left: 4px solid #2196f3;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .indimanga-download-btn {
        bottom: 70px;
        right: 15px;
        padding: 10px 20px;
        font-size: 14px;
    }

    .indimanga-download-btn svg {
        width: 18px;
        height: 18px;
    }

    .indimanga-download-btn span {
        font-size: 14px;
    }

    .indimanga-cache-message {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        font-size: 13px;
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .indimanga-download-btn {
        padding: 8px 16px;
        font-size: 13px;
        bottom: 60px;
        right: 10px;
    }

    .indimanga-download-btn svg {
        width: 16px;
        height: 16px;
    }

    .indimanga-download-btn span {
        font-size: 13px;
    }
}

/* Animation for button appearance */
@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.indimanga-download-btn {
    animation: slideInFromRight 0.4s ease-out;
}

/* Pulse animation for downloading state */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(245, 124, 0, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(245, 124, 0, 0.7);
    }
}

.indimanga-download-btn.downloading {
    animation: pulse 2s ease-in-out infinite;
}

/* Chapter Management UI (for settings page) */
.indimanga-cached-chapters-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.indimanga-cached-chapter-item {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.indimanga-cached-chapter-item:hover {
    border-color: #dc143c;
    box-shadow: 0 2px 8px rgba(220, 20, 60, 0.1);
}

.indimanga-chapter-info {
    flex: 1;
}

.indimanga-chapter-title {
    font-size: 16px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 4px;
}

.indimanga-chapter-meta {
    font-size: 13px;
    color: #757575;
}

.indimanga-chapter-actions {
    display: flex;
    gap: 8px;
}

.indimanga-chapter-delete-btn {
    background: #dc143c;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indimanga-chapter-delete-btn:hover {
    background: #b01030;
}

.indimanga-chapter-view-btn {
    background: #f5f5f5;
    color: #000000;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.indimanga-chapter-view-btn:hover {
    background: #e0e0e0;
}

.indimanga-storage-info {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    text-align: center;
}

.indimanga-storage-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 8px;
}

.indimanga-storage-info p {
    font-size: 14px;
    color: #757575;
    margin: 0;
}

/* Empty state */
.indimanga-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #757575;
}

.indimanga-empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.indimanga-empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 8px;
}

.indimanga-empty-state p {
    font-size: 14px;
    color: #757575;
}