/* ETL Engine - Dark theme */
:root {
    --bg: #0f0f13;
    --bg-card: #1a1a22;
    --bg-hover: #222230;
    --border: #2a2a35;
    --text: #e0e0e0;
    --text-dim: #888;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --success: #2ecc71;
    --warning: #f39c12;
    --error: #e74c3c;
    --info: #3498db;
    --sidebar-width: 200px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

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

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

/* Sidebar toggle (mobile) */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 10px; left: 10px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 20px;
    width: 40px; height: 40px;
    cursor: pointer;
    line-height: 1;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 22px;
    cursor: pointer;
    margin-left: auto;
    line-height: 1;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 90;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.25s ease;
}

.sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: baseline;
    gap: 8px;
}

/* Mobile: sidebar hidden by default, togglable */
@media (max-width: 768px) {
    .sidebar-toggle { display: block; }
    .sidebar-close { display: block; }
    .sidebar-overlay.open { display: block; }

    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0 !important;
        padding: 16px !important;
        padding-top: 56px !important;
    }

    .graph-toolbar {
        top: 56px !important;
    }
}

.sidebar-header h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-light);
}

.version {
    font-size: 10px;
    color: var(--text-dim);
}

.nav-links {
    list-style: none;
    padding: 8px 0;
    flex: 1;
}

.nav-links a {
    display: block;
    padding: 8px 16px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.15s;
}

.nav-links a:hover { color: var(--text); background: var(--bg-hover); }
.nav-links a.active { color: var(--accent-light); border-left: 2px solid var(--accent); }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logout-link { color: var(--text-dim); text-decoration: none; }
.logout-link:hover { color: var(--error); }

/* Content */
.content {
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    flex: 1;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.page-header h2 { font-size: 20px; font-weight: 600; }

.header-stats {
    display: flex;
    gap: 16px;
    margin-left: auto;
}

.stat { font-size: 13px; color: var(--text-dim); }
.stat strong { color: var(--text); }

.back-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
}
.back-link:hover { color: var(--accent-light); }

/* Cards */
.card-section { margin-bottom: 32px; }
.card-section h3 { font-size: 14px; font-weight: 600; color: var(--text-dim); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.15s;
}

.card:hover { border-color: var(--accent); transform: translateY(-1px); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.card-header h4 { font-size: 14px; font-weight: 600; }

.card-stats {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-dim);
}

.card-footer {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.timestamp { font-size: 11px; color: var(--text-dim); font-family: var(--mono); }
.mono { font-family: var(--mono); font-size: 12px; }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-live { background: rgba(46,204,113,0.2); color: var(--success); }
.badge-batch { background: rgba(52,152,219,0.2); color: var(--info); }
.badge-reactive { background: rgba(155,89,182,0.2); color: #9b59b6; }
.badge-completed { background: rgba(46,204,113,0.2); color: var(--success); }
.badge-success { background: rgba(46,204,113,0.2); color: var(--success); }
.badge-error { background: rgba(231,76,60,0.2); color: var(--error); }
.badge-filtered { background: rgba(243,156,18,0.2); color: var(--warning); }
.badge-skipped { background: rgba(136,136,136,0.2); color: var(--text-dim); }
.badge-running { background: rgba(52,152,219,0.2); color: var(--info); }

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--border);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.data-table tr { cursor: pointer; transition: background 0.1s; }
.data-table tr:hover { background: var(--bg-hover); }

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
    font-size: 14px;
}

/* Trace viewer */
.trace-header { margin-bottom: 24px; }

.trace-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.trace-summary {
    display: flex;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.success-text { color: var(--success); }
.filtered-text { color: var(--warning); }
.error-text { color: var(--error); }

.trace-entries { display: flex; flex-direction: column; gap: 8px; }

.trace-entry {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.trace-entry.trace-success { border-left: 3px solid var(--success); }
.trace-entry.trace-filtered { border-left: 3px solid var(--warning); }
.trace-entry.trace-error { border-left: 3px solid var(--error); }
.trace-entry.trace-skipped { border-left: 3px solid var(--text-dim); }

.trace-entry-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
}

.node-id { font-weight: 600; font-size: 13px; }
.duration { margin-left: auto; font-size: 12px; color: var(--text-dim); font-family: var(--mono); }

.trace-entry-body { padding: 0 16px 12px; }

.trace-entry-body details { margin: 4px 0; }
.trace-entry-body summary { cursor: pointer; font-size: 12px; color: var(--text-dim); padding: 4px 0; }
.trace-entry-body pre {
    background: var(--bg);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 11px;
    overflow-x: auto;
    max-height: 200px;
    overflow-y: auto;
    font-family: var(--mono);
    margin-top: 4px;
}

.trace-error {
    padding: 8px 12px;
    background: rgba(231,76,60,0.1);
    border-radius: 4px;
    color: var(--error);
    font-size: 12px;
    margin-top: 8px;
}

/* Login */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    width: 360px;
}

.login-card h1 {
    font-size: 24px;
    color: var(--accent-light);
    margin-bottom: 4px;
}

.login-card .subtitle {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 24px;
}

.login-card input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    margin-bottom: 12px;
}

.login-card input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-card button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.login-card button:hover { background: #5b4dd6; }

.error-msg {
    background: rgba(231,76,60,0.15);
    color: var(--error);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

/* Side panel styles */
.panel-section { margin-bottom: 16px; }
.panel-section h4 {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}
.panel-section p { font-size: 13px; }
.config-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}
.config-key { color: var(--text-dim); font-family: var(--mono); }
.config-val { color: var(--accent-light); font-family: var(--mono); }