:root {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #eab308;
    --border: #334155;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.sidebar {
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar h1 {
    font-size: 20px;
    margin-bottom: 32px;
    color: var(--accent);
}

.sidebar nav a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--text-muted);
    margin-bottom: 4px;
    transition: all 0.15s;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: var(--bg-input);
    color: var(--text);
    text-decoration: none;
}

.sidebar .user-info {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    padding: 12px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
}

.main {
    margin-left: 240px;
    flex: 1;
    padding: 32px;
    max-width: 1200px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

.card h2 {
    font-size: 18px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

/* Grid */
.grid {
    display: grid;
    gap: 16px;
}

.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

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

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

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

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

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

.btn-danger:hover { opacity: 0.9; }

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Tags */
.tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.tag-bullish { background: rgba(34,197,94,0.15); color: var(--green); }
.tag-bearish { background: rgba(239,68,68,0.15); color: var(--red); }
.tag-neutral { background: rgba(234,179,8,0.15); color: var(--yellow); }
.tag-pending { background: rgba(59,130,246,0.15); color: var(--accent); }
.tag-generating { background: rgba(59,130,246,0.15); color: var(--accent); }
.tag-error { background: rgba(239,68,68,0.15); color: var(--red); }
.tag-complete { background: rgba(34,197,94,0.15); color: var(--green); }

/* Metrics */
.metric {
    text-align: center;
}

.metric .value {
    font-size: 24px;
    font-weight: 700;
}

.metric .label {
    font-size: 13px;
    color: var(--text-muted);
}

/* Auth pages */
.auth-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 0 20px;
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--accent);
}

.error {
    background: rgba(239,68,68,0.15);
    color: var(--red);
    padding: 12px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}

/* Loading */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Case detail */
.case-section {
    margin-bottom: 24px;
}

.case-section h3 {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-section p {
    white-space: pre-line;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main { margin-left: 0; padding: 16px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}