/**
 * del.icio.us Clone Stylesheet
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #f3f4f6;
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --error-color: #dc2626;
    --success-color: #16a34a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-light);
    line-height: 1.6;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: var(--bg-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-color);
}

/* App Layout */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.2;
}

.header-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0.25rem 0 0 0;
    font-weight: 400;
    line-height: 1.2;
}

.app-main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
}

.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: 2rem;
}

/* Bookmarks Section */
.bookmarks-header {
    margin-bottom: 1.5rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.bookmarks-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bookmark-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.bookmark-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.bookmark-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.bookmark-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.bookmark-title a {
    color: var(--text-color);
    text-decoration: none;
}

.bookmark-title a:hover {
    color: var(--primary-color);
}

.bookmark-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.btn-icon:hover {
    opacity: 1;
}

.bookmark-url {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    word-break: break-all;
}

.bookmark-description {
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.bookmark-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bookmark-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    background: var(--bg-dark);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

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

.no-tags {
    color: var(--text-light);
    font-size: 0.875rem;
    font-style: italic;
}

.bookmark-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.private-badge {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.tags-sidebar {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.tags-sidebar h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.tags-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tag-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.2s;
}

.tag-item:hover {
    background: var(--bg-dark);
}

.tag-item.active {
    background: var(--primary-color);
    color: white;
}

.tag-item.active .tag-name {
    color: white;
}

.tag-item.active .tag-count {
    color: rgba(255, 255, 255, 0.9);
}

.tag-name {
    color: var(--primary-color);
    font-weight: 500;
}

.tag-count {
    color: var(--text-light);
    font-size: 0.875rem;
}

.empty-tags {
    color: var(--text-light);
    font-style: italic;
    text-align: center;
    padding: 1rem;
}

/* Bookmarklet Sidebar */
.bookmarklet-sidebar {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-top: 1.5rem;
}

.bookmarklet-sidebar h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.bookmarklet-instructions {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.bookmarklet-link {
    display: block;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    text-align: center;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 1rem;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.bookmarklet-link:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.bookmarklet-link:active {
    transform: translateY(0);
}

.bookmarklet-help {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.4;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-page {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.btn-page:hover:not(.disabled):not(.active) {
    background: var(--bg-dark);
    border-color: var(--primary-color);
}

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

.btn-page.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    padding: 0.5rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.error-message {
    background: #fee2e2;
    color: var(--error-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.success-message {
    background: #dcfce7;
    color: var(--success-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

/* Bookmarklet Form */
.bookmark-form {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* Tag Autocomplete */
.tag-autocomplete {
    position: absolute;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 0.25rem;
    display: none;
}

.autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    transition: background 0.2s;
}

.autocomplete-item:hover {
    background: var(--bg-dark);
}

.form-group {
    position: relative;
}

/* Success/Error Messages */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid #f5c6cb;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Settings Page */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
}

.settings-container h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.settings-form {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.settings-group {
    margin-bottom: 2rem;
}

.settings-group h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.setting-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.toggle-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle-text {
    font-weight: 500;
    color: var(--text-color);
    flex: 1;
}

.setting-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.setting-select {
    width: 100%;
    max-width: 300px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.setting-select:hover {
    border-color: var(--primary-color);
}

.setting-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.setting-description {
    margin-top: 0.5rem;
    margin-left: 2rem;
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .app-main {
        padding: 1rem;
    }
}