/* FileShare App Styles */

.upload-zone {
    border: 3px dashed #007bff !important;
    border-radius: 20px !important;
    padding: 60px !important;
    text-align: center !important;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%) !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    min-height: 400px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
}

.upload-zone:hover {
    border-color: #0056b3;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.upload-zone.dragover {
    border-color: #28a745;
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
}

.file-item {
    padding: 10px;
    margin: 5px 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

.transfer-complete {
    display: none;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: white;
}

.qr-code {
    background: white;
    padding: 20px;
    border-radius: 10px;
    display: inline-block;
    margin: 20px 0;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    padding: 80px 0 !important;
    text-align: center !important;
    margin-bottom: 40px !important;
}

.feature-card {
    padding: 30px;
    border-radius: 15px;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

/* Download page styles */
.download-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.transfer-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.download-file-list {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.download-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #eee;
    transition: background 0.3s ease;
}

.download-file-item:hover {
    background: #f8f9fa;
}

.download-file-item:last-child {
    border-bottom: none;
}

.file-icon {
    font-size: 24px;
    margin-right: 15px;
    color: #667eea;
}

.download-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
    color: white;
    text-decoration: none;
}

.expiry-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.sender-message {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
}

/* Dark mode support */
[data-theme="dark"] .file-item {
    background: #343a40;
    color: white;
}

[data-theme="dark"] .feature-card {
    background: #343a40;
    color: white;
}

[data-theme="dark"] .download-file-list {
    background: #343a40;
    color: white;
}

[data-theme="dark"] .download-file-item:hover {
    background: #495057;
}

[data-theme="dark"] .sender-message {
    background: #495057;
    color: white;
}

/* Responsive design */
@media (max-width: 768px) {
    .upload-zone {
        padding: 40px 20px;
        min-height: 300px;
    }

    .hero-section {
        padding: 40px 0;
    }

    .feature-card {
        padding: 20px;
    }

    .download-container {
        padding: 20px 10px;
    }

    .transfer-info {
        padding: 20px;
    }
}

/* Animation keyframes */
@keyframes progress-bar-stripes {
    0% {
        background-position-x: 1rem;
    }
}

/* Focus states for accessibility */
.upload-zone:focus {
    outline: 3px solid #007bff;
    outline-offset: 2px;
}

.download-btn:focus {
    outline: 3px solid #007bff;
    outline-offset: 2px;
}

/* Loading states */
.upload-zone.uploading {
    pointer-events: none;
    opacity: 0.7;
}

.download-btn.loading {
    position: relative;
    color: transparent;
}

.download-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* My Transfers page styles */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
    margin: 10px 0;
}

.stat-label {
    color: #666;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.transfer-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.transfer-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.status-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-expired {
    background: #f8d7da;
    color: #721c24;
}

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

.btn-actions .btn {
    white-space: nowrap;
}

/* Dark mode for My Transfers */
[data-theme="dark"] .stat-card {
    background: #343a40;
    color: white;
}

[data-theme="dark"] .transfer-card {
    background: #343a40;
    color: white;
}

[data-theme="dark"] .stat-label {
    color: #adb5bd;
}

[data-theme="dark"] .text-muted {
    color: #6c757d !important;
}