/* Theme Variables */
:root {
    /* Light theme (default) */
    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-hover: #27ae60;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --text-color: #333;
    --light-text: #777;
    --border-color: #ddd;
    --bg-color: #f5f5f5;
    --container-bg: #fff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Dark theme */
[data-theme="dark"] {
    --primary-color: #2980b9;
    --primary-hover: #3498db;
    --secondary-color: #27ae60;
    --secondary-hover: #2ecc71;
    --danger-color: #c0392b;
    --danger-hover: #e74c3c;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --text-color: #777;
    --light-text: #777;
    --border-color: #444;
    --bg-color: #222;
    --container-bg: #333;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Theme toggle switch styling */
.theme-toggle {
    display: flex;
    align-items: center;
    margin: 10px 0;
    justify-content: center;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    margin-right: 10px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-label {
    font-size: 0.9rem;
    color: white;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--secondary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--secondary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--container-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 400;
}

.user-info {
    margin-top: 10px;
    font-size: 0.9rem;
    opacity: 0.9;
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Navigation styling */
.main-nav {
    margin: 15px 0;
}

.main-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav li {
    margin: 0 10px;
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.user-menu {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.delete-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--danger-color);
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

.delete-button:hover {
    background-color: var(--danger-hover);
}

.logout-item {
    margin-left: auto;  /* This pushes the logout button to the right */
}

.logout-button {
    background-color: var(--danger-color);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.logout-button:hover {
    background-color: var(--danger-hover);
}

main {
    flex: 1;
    padding: 30px;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.login-box {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: var(--primary-hover);
}

.login-info {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 4px;
    font-size: 0.9rem;
}

.login-info ul {
    margin: 10px 0;
    padding-left: 20px;
}

.login-info code {
    background-color: #f8f8f8;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: monospace;
}

.warning {
    color: var(--warning-color);
    font-weight: bold;
    margin-top: 10px;
}

/* Dashboard Styles */
.dashboard-container {
    padding: 20px;
}

.dashboard-info {
    margin-bottom: 30px;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 8px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dashboard-card h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.card-icon {
    font-size: 3rem;
    margin: 15px 0;
}

.card-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 4px;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.card-button:hover {
    background-color: var(--primary-hover);
}

.api-info {
    margin-top: 30px;
}

.api-info pre {
    background-color: #f8f8f8;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    margin-top: 10px;
}

/* Upload Page Styles */
.upload-container {
    max-width: 1000px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.upload-area.highlight {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.file-input {
    position: relative;
    margin-bottom: 20px;
}

.file-input input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.drag-text {
    padding: 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--light-text);
}

.icon-upload {
    display: inline-block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    position: relative;
}

.icon-upload:before {
    content: "";
    width: 24px;
    height: 24px;
    border-left: 3px solid var(--primary-color);
    border-top: 3px solid var(--primary-color);
    transform: rotate(45deg);
    position: absolute;
    top: 20px;
    left: 18px;
}

.icon-upload:after {
    content: "";
    width: 3px;
    height: 30px;
    background-color: var(--primary-color);
    position: absolute;
    top: 15px;
    left: 29px;
}

.file-info {
    display: none;
    margin: 15px 0;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: left;
}

.file-info.show {
    display: block;
}

.file-info p {
    margin: 5px 0;
}

.upload-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.upload-button:hover {
    background-color: var(--primary-hover);
}

.upload-button:disabled {
    background-color: var(--light-text);
    cursor: not-allowed;
}

.upload-status {
    margin-top: 20px;
}

.progress-container {
    width: 100%;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    display: none;
}

.progress-container.show {
    display: block;
}

.progress-bar {
    height: 100%;
    width: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.status-message {
    text-align: center;
    padding: 10px;
    font-weight: bold;
    border-radius: 4px;
}

.status-message.success {
    color: var(--success-color);
    background-color: rgba(46, 204, 113, 0.1);
}

.status-message.error {
    color: var(--error-color);
    background-color: rgba(231, 76, 60, 0.1);
}

/* Download Page Styles */
.download-container {
    padding: 20px;
}

.files-list {
    margin: 20px 0;
    overflow-x: auto;
}

.files-list table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
}

.files-list th, .files-list td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.files-list th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
}

.files-list tr:last-child td {
    border-bottom: none;
}

.files-list tr:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

.file-type {
    font-size: 1.5rem;
    text-align: center;
}

.file-size, .file-date {
    color: var(--light-text);
    white-space: nowrap;
}

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

.download-button, .preview-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    text-decoration: none;
    transition: background-color 0.3s;
}

.download-button {
    background-color: var(--secondary-color);
    color: white;
}

.download-button:hover {
    background-color: var(--secondary-hover);
}

.preview-button {
    background-color: var(--primary-color);
    color: white;
}

.preview-button:hover {
    background-color: var(--primary-hover);
}

.no-files {
    text-align: center;
    padding: 40px 0;
    color: var(--light-text);
}

.upload-link {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 4px;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.upload-link:hover {
    background-color: var(--primary-hover);
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
    padding: 10px;
    background-color: var(--bg-color);
    border-radius: 4px;
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--light-text);
}

.pagination-links {
    display: flex;
    gap: 5px;
}

.pagination-link {
    display: inline-block;
    padding: 5px 10px;
    background-color: white;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
}

.pagination-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.pagination-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Common Components */
.info-panels {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.info-panel {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    border-radius: 8px;
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
}

.info-panel h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.info-panel ul {
    list-style-type: none;
}

.info-panel li {
    margin-bottom: 10px;
}

.disk-meter {
    height: 20px;
    background-color: #eee;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.disk-progress {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.disk-details {
    font-size: 0.9rem;
    color: var(--light-text);
}

.disk-details p {
    margin: 5px 0;
}

.button {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.button:hover {
    background-color: var(--primary-hover);
}

.button.secondary {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.button.secondary:hover {
    background-color: var(--border-color);
}

.button.danger {
    background-color: var(--danger-color);
}

.button.danger:hover {
    background-color: var(--danger-hover);
}

.error-message {
    color: var(--error-color);
    background-color: rgba(231, 76, 60, 0.1);
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

/* Error page styles */
.error-container {
    text-align: center;
    padding: 30px;
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.error-message {
    margin: 20px 0;
    padding: 15px;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 4px;
}

.error-actions {
    margin-top: 30px;
}

footer {
    background-color: #f9f9f9;
    padding: 15px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--light-text);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .info-panels {
        flex-direction: column;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .user-menu {
        margin-left: 0;
        margin-top: 10px;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-direction: column;
        gap: 15px;
    }
}

.delete-button {
    background-color: var(--danger-color);
    color: white;
}

.delete-button:hover {
    background-color: var(--danger-hover);
}