:root {
    /* Colors */
    --primary: #2196F3;
    --primary-dark: #1976D2;
    --secondary: #757575;
    --background: #f5f5f5;
    --surface: #ffffff;
    --error: #f44336;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #e0e0e0;
    
    /* Typography */
    --font-family: system-ui, -apple-system, sans-serif;
    --font-size-small: 0.875rem;
    --font-size-normal: 1rem;
    --font-size-large: 1.25rem;
    
    /* Spacing */
    --spacing-unit: 8px;
    --content-width: 1200px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-normal);
    color: var(--text-primary);
    background: var(--background);
}

#app {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: calc(var(--spacing-unit) * 2);
}

.header-content {
    max-width: var(--content-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-size: var(--font-size-large);
    font-weight: bold;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Main content */
#main-content {
    flex: 1;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
    width: 100%;
    background: var(--surface);
    margin-top: calc(var(--spacing-unit) * 2);
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Utility classes */
.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
    border: none;
    border-radius: 4px;
    font-size: var(--font-size-normal);
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

/* Loading spinner */
.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--background);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive design */
@media (max-width: 1200px) {
    .header-content, #main-content {
        max-width: 100%;
        padding: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 768px) {
    .header-content {
        gap: 16px;
    }
    
    .search-container {
        max-width: 300px;
    }
}

@media (max-width: 600px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-unit);
    }
    
    .search-container {
        max-width: 100%;
        order: -1; /* Put search box at the top */
    }
}

#console-overlay {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 30vh;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-family: monospace;
    font-size: 12px;
    overflow-y: auto;
    z-index: 9999;
    padding: 8px;
    display: none;
}

#console-overlay.visible {
    display: block;
}

#console-overlay .log-entry {
    margin: 4px 0;
    padding: 2px 4px;
    border-left: 3px solid #666;
}

#console-overlay .log-entry.log {
    border-left-color: #4CAF50;
}

#console-overlay .log-entry.info {
    border-left-color: #2196F3;
}

#console-overlay .log-entry.warn {
    border-left-color: #FFC107;
    color: #FFC107;
}

#console-overlay .log-entry.error {
    border-left-color: #f44336;
    color: #f44336;
}

#console-overlay .timestamp {
    color: #888;
    margin-right: 8px;
}

#console-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--secondary);
}

/* Modal styles */
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--surface);
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 90%;
    width: 400px;
    max-height: 90vh;
    overflow-y: auto;
}

/* Wider modal for folder size results */
.modal-content:has(.folder-size-subfolders) {
    width: 600px;
    max-width: 95%;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-form h2 {
    margin: 0;
    color: var(--text-primary);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-secondary);
    font-size: var(--font-size-small);
}

.form-group input[type="text"] {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: var(--font-size-normal);
}

.form-group input[type="file"] {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--background);
}

.form-group .file-list {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    padding: 8px;
    background: var(--background);
    border-radius: 4px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.profile-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.profile-link {
    text-decoration: none;
    color: var(--text-primary);
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

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

/* Search Box Styles */
.search-container {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--background);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.search-input {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: var(--font-size-normal);
    outline: none;
    border-radius: 20px 0 0 20px;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-button {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 0 20px 20px 0;
    transition: color 0.2s;
}

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

/* User Page Styles */
.user-page-container {
    padding: 16px;
}

.usage-container.card,
.cache-container.card,
.upload-settings-container.card {
    background-color: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-top: 24px;
}

.usage-container h2,
.cache-container h2,
.upload-settings-container h2 {
    margin-top: 0;
    margin-bottom: 16px;
}

.cache-container p,
.upload-settings-container p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: var(--font-size-small);
}

.usage-stats {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.usage-stats p {
    margin: 8px 0;
    font-size: var(--font-size-normal);
}

.usage-stats strong {
    color: var(--text-primary);
}

/* Upload Settings Styles */
.upload-settings-input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 120px;
    font-size: var(--font-size-normal);
}

.upload-settings-input:focus {
    outline: none;
    border-color: var(--primary);
}

.upload-setting {
    /* Container for each upload setting */
}

.upload-setting label {
    display: block;
    margin-bottom: 4px;
}

/* Cache Status Styles */
.cache-status {
    padding: 12px;
    border-radius: 4px;
    font-size: var(--font-size-small);
    font-weight: 500;
}

.cache-status.cache-loading {
    background: rgba(33, 150, 243, 0.1);
    color: #1976d2;
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.cache-status.cache-success {
    background: rgba(76, 175, 80, 0.1);
    color: #2e7d32;
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.cache-status.cache-error {
    background: rgba(244, 67, 54, 0.1);
    color: #c62828;
    border: 1px solid rgba(244, 67, 54, 0.2);
}

/* Folder Size Results Modal */
.folder-size-total,
.folder-size-subfolders {
    margin: 16px 0;
}

.folder-size-total {
    padding: 16px;
    background: var(--background);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.folder-size-total h3,
.folder-size-subfolders h3 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    font-size: var(--font-size-large);
}

.size-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.size-stat.total {
    border-bottom: 1px solid var(--border-color);
}

.size-stat.total:last-child {
    border-bottom: none;
}

.stat-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-normal);
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-large);
}

/* Subfolder breakdown */
.subfolder-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.subfolder-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: background-color 0.2s;
}

.subfolder-item:hover {
    background: var(--border-color);
}

.subfolder-item.error {
    background: rgba(244, 67, 54, 0.05);
    border-color: rgba(244, 67, 54, 0.2);
}

.subfolder-name {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.subfolder-name span:last-child {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.folder-icon {
    font-size: 1.1em;
    flex-shrink: 0;
}

.subfolder-size {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.size-text {
    font-weight: 600;
    color: var(--text-primary);
}

.file-count-text {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
}

.error-text {
    color: var(--error);
    font-size: var(--font-size-small);
    font-style: italic;
}

/* Responsive adjustments for folder size modal */
@media (max-width: 600px) {
    .subfolder-item {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .subfolder-size {
        align-items: flex-start;
    }
    
    .subfolder-list {
        max-height: 250px;
    }
}