/* Page-specific overrides */
body { padding: 20px; }
.container { max-width: 800px; }

.header {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.upload-area {
    background: white;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

.drag-drop-area {
    border: 3px dashed #bdc3c7;
    border-radius: 15px;
    padding: 60px 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.drag-drop-area.dragover {
    border-color: var(--primary);
    background: #ecf0f1;
}

.drag-drop-area.paste-active {
    border-color: var(--success);
    background: #e8f5e8;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.upload-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.upload-method {
    padding: 20px;
    border: 2px solid #ecf0f1;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-method:hover {
    border-color: var(--primary);
    background: #f8f9fa;
}

.upload-method.active {
    border-color: var(--success);
    background: #e8f5e8;
}

.upload-method h4 {
    margin-bottom: 10px;
    color: var(--dark);
}

.upload-method p {
    font-size: 14px;
    color: #7f8c8d;
    margin: 0;
}

.paste-instructions {
    background: #e3f2fd;
    border: 1px solid #bbdefb;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    font-size: 14px;
    color: #1565c0;
}

.paste-instructions.active {
    background: #e8f5e8;
    border-color: #c3e6c3;
    color: #155724;
}

.keyboard-shortcut {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: monospace;
    font-weight: bold;
    margin: 0 2px;
}

@media (max-width: 768px) {
    .upload-methods {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.upload-icon {
    font-size: 48px;
    color: #7f8c8d;
    margin-bottom: 20px;
}

.file-input {
    display: none;
}

.upload-btn {
    background: linear-gradient(45deg, var(--primary), #5dade2);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.result-area {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: none;
}

.result-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid #ecf0f1;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 600;
    color: #7f8c8d;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.link-box {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.link-input {
    flex: 1;
    border: none;
    background: none;
    font-family: monospace;
    font-size: 14px;
}

.copy-btn {
    background: var(--success);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
}

.qr-code-container {
    text-align: center;
    padding: 20px;
}

.qr-code {
    max-width: 256px;
    margin: 0 auto;
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.preview-area {
    text-align: center;
    margin: 20px 0;
}

.preview-image {
    max-width: 100%;
    max-height: none;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: block;
    margin: 0 auto;
}

.preview-area {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    overflow: hidden;
}

.file-info {
    background: #e8f5e8;
    border: 1px solid #c3e6c3;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
}

.expiry-info {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    text-align: center;
}