:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --border-color: #334155;
    --nav-active: #3b82f6;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    align-items: center;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

.config-link {
    font-size: 1.25rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    padding-left: 0.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

.card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
    font-size: 0.9rem;
}

th,
td {
    padding: 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}

th:first-child,
td:first-child {
    text-align: left;
}

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

.ticker-badge {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    padding: 0.15rem 0.5rem;
    border-radius: 0.5rem;
    font-family: monospace;
    font-weight: 700;
}

.positive {
    color: var(--success-color);
}

.negative {
    color: var(--danger-color);
}

input,
select {
    width: 100%;
    padding: 0.75rem;
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: white;
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Totals Row */
.total-row td {
    border-top: 2px solid var(--border-color);
    font-weight: 700;
    color: var(--text-primary);
}