:root {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --border-color: #334155;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 0 24px 24px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: -0.02em;
}

.sidebar-section {
    margin-bottom: 32px;
    padding: 0 12px;
}

.sidebar-section-title {
    padding: 0 12px 12px 12px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    font-weight: 700;
}

.status-list {
    list-style: none;
}

.status-item {
    padding: 8px 12px;
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 6px;
}

.table-list {
    list-style: none;
}

.table-item {
    padding: 10px 12px;
    margin: 2px 0;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-item:before {
    content: "▤";
    font-size: 0.9rem;
    opacity: 0.5;
}

.table-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.table-item.active {
    background-color: rgba(56, 189, 248, 0.15);
    color: var(--accent-color);
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.main-header {
    padding: 20px 32px;
    background-color: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.main-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.tabs {
    display: flex;
    gap: 28px;
    padding: 0 32px;
    background-color: rgba(15, 23, 42, 0.4);
    border-bottom: 1px solid var(--border-color);
}

.tab {
    padding: 14px 2px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    position: relative;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* Views */
.view-container {
    flex-grow: 1;
    overflow: auto;
    padding: 32px;
    scroll-behavior: smooth;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.view.active {
    display: block;
}

/* Tables */
.table-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th {
    text-align: left;
    padding: 14px 18px;
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Form Elements */
.search-container {
    margin-bottom: 24px;
    display: flex;
    gap: 12px;
}

.input-group {
    flex-grow: 1;
    position: relative;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.btn {
    padding: 10px 20px;
    background-color: var(--accent-color);
    border: none;
    border-radius: 8px;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:hover:not(:disabled) {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

/* Result Cards */
.vector-result {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    transition: box-shadow 0.2s;
}

.vector-result:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.vector-result-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.score-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.content-preview {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* General Utilities */
.tag {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.tag-green {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.tag-orange {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.tag-blue {
    background: rgba(56, 189, 248, 0.2);
    color: var(--accent-color);
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Glassmorphism Loader */
.loader-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: 12px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(56, 189, 248, 0.1);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-align: center;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.1;
}