/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Light theme (default) */
:root {
    --bg: #f5f5f5;
    --bg-card: #ffffff;
    --bg-input: #f0f0f0;
    --border: #d4d4d8;
    --text: #1a1a2e;
    --text-muted: #6b7280;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --green: #16a34a;
    --red: #dc2626;
    --radius: 8px;
}

/* Dark theme */
:root[data-theme="dark"] {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #242836;
    --border: #2d3245;
    --text: #e2e8f0;
    --text-muted: #8892a8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --green: #22c55e;
    --red: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.hidden { display: none !important; }
.error { color: var(--red); font-size: 0.875rem; margin-top: 0.5rem; }
.positive { color: var(--green); }
.negative { color: var(--red); }

/* --- Login --- */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 360px;
    text-align: center;
}

.login-box h1 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.login-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.login-box button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    cursor: pointer;
}

.login-box button:hover { background: var(--primary-hover); }

/* --- Nav --- */
nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0 2rem;
    height: 56px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover, .nav-link.active {
    color: var(--text);
    background: var(--bg-input);
}

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

/* --- Buttons --- */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: background 0.15s;
}

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

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

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

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

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

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

/* --- Main Content --- */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* --- Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.stat-card .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-card .sub {
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* --- Tables --- */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    white-space: nowrap;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    user-select: none;
}

th:hover { color: var(--text); }

tr.clickable:hover {
    background: var(--bg-input);
    cursor: pointer;
}

td.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num { text-align: right; }

/* --- Dashboard layout --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.chart-container h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 520px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 1.125rem; }

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover { color: var(--text); }

#modal-body { padding: 1.5rem; }
#modal-body:has(form) { min-height: 520px; }

/* --- Forms --- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.875rem;
}

.form-group textarea { resize: vertical; min-height: 60px; }
.form-group select { cursor: pointer; }

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.form-info {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

/* --- Detail View --- */
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.detail-header h1 {
    font-size: 1.5rem;
}

.detail-header .ticker {
    color: var(--text-muted);
    font-weight: 400;
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* --- Utility --- */
.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.back-link:hover { color: var(--text); }

/* --- Date range --- */
.date-range {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.date-range input {
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.875rem;
}

.date-range label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Settings dropdown --- */
.settings-dropdown {
    position: relative;
}

.btn-settings {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    font-size: 1.1rem;
    line-height: 1;
}

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

.settings-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 50;
}

.settings-item {
    display: block;
    width: 100%;
    padding: 0.6rem 1rem;
    background: none;
    border: none;
    color: var(--text);
    text-decoration: none;
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
}

.settings-item:hover {
    background: var(--bg-input);
}

.settings-item + .settings-item {
    border-top: 1px solid var(--border);
}

/* --- Cost mode toggle --- */
.cost-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 0.25rem;
}

.cost-toggle button {
    flex: 1;
    padding: 0.3rem 0.5rem;
    font-size: 0.7rem;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-muted);
    cursor: pointer;
}

.cost-toggle button:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.cost-toggle button:last-child { border-radius: 0 var(--radius) var(--radius) 0; }

.cost-toggle button.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* --- Tracking page --- */
.tracking-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.tracking-controls input {
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.875rem;
    width: 160px;
}

.tracking-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.btn-remove-watchlist {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0 0.25rem;
    line-height: 1;
}

.btn-remove-watchlist:hover { color: var(--red); }

/* --- Detail link icon --- */
.btn-detail {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius);
    transition: color 0.15s;
}

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

/* --- Portfolio metrics strip --- */
.metrics-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.metric {
    text-align: center;
}

.metric-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.125rem;
}

.metric-value {
    font-size: 1.05rem;
    font-weight: 700;
}

.metric-sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}

/* --- Metrics toggle --- */
.metrics-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 0.25rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.eye-icon {
    font-size: 1.1rem;
    opacity: 0.6;
    transition: opacity 0.15s;
}

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

.eye-icon.eye-hidden {
    opacity: 0.3;
}

.eye-icon.eye-hidden:hover { opacity: 0.6; }

/* --- Portfolio panels (allocation + sizing) --- */
.portfolio-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
}

.panel-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.panel .compact-table {
    width: 100%;
    border-collapse: collapse;
}

.panel .compact-table th,
.panel .compact-table td {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border);
}

.panel .compact-table th {
    font-size: 0.65rem;
}

.position-sizes {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.pos-size-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pos-size-value {
    font-size: 1.125rem;
    font-weight: 600;
}

.panel-ref {
    display: flex;
    gap: 1.5rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

/* --- Chart modal (fixed height) --- */
.chart-modal-fixed {
    height: 400px;
    position: relative;
}

.chart-modal-fixed .loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Chart period selector --- */
.chart-period-bar {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}