/* Shared design system for the finance app. Roles follow the dataviz skill's
   validated palette so charts and UI read as one system. */

:root {
    color-scheme: light;
    --color-bg: #f9f9f7;
    --color-surface: #fcfcfb;
    --color-surface-raised: #ffffff;
    --color-text: #0b0b0b;
    --color-text-secondary: #52514e;
    --color-text-muted: #898781;
    --color-border: rgba(11, 11, 11, 0.10);
    --color-gridline: #e1e0d9;
    --color-baseline: #c3c2b7;

    --color-primary: #2a78d6;
    --color-primary-hover: #184f95;
    --color-primary-wash: #eaf2fc;

    --color-positive: #0ca30c;
    --color-positive-wash: #e7f7e7;
    --color-negative: #d03b3b;
    --color-negative-wash: #fbeaea;
    --color-warning: #fab219;
    --color-warning-wash: #fef3de;

    --series-1: #2a78d6;
    --series-2: #eb6834;
    --series-3: #1baf7a;
    --series-4: #eda100;
    --series-5: #e87ba4;
    --series-6: #008300;
    --series-7: #4a3aa7;
    --series-8: #e34948;

    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(11, 11, 11, 0.06), 0 1px 6px rgba(11, 11, 11, 0.05);
    --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --color-bg: #0d0d0d;
        --color-surface: #1a1a19;
        --color-surface-raised: #212120;
        --color-text: #ffffff;
        --color-text-secondary: #c3c2b7;
        --color-text-muted: #898781;
        --color-border: rgba(255, 255, 255, 0.10);
        --color-gridline: #2c2c2a;
        --color-baseline: #383835;

        --color-primary: #3987e5;
        --color-primary-hover: #6da7ec;
        --color-primary-wash: #163050;

        --color-positive: #0ca30c;
        --color-positive-wash: #123312;
        --color-negative: #e66767;
        --color-negative-wash: #3a1616;
        --color-warning: #fab219;
        --color-warning-wash: #3a2c0c;

        --series-1: #3987e5;
        --series-2: #d95926;
        --series-3: #199e70;
        --series-4: #c98500;
        --series-5: #d55181;
        --series-6: #008300;
        --series-7: #9085e9;
        --series-8: #e66767;
    }
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font);
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.45;
}

.page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px 48px;
}

h1 {
    font-size: 1.6em;
    font-weight: 650;
    margin: 8px 0 20px;
    letter-spacing: -0.01em;
}

h2 {
    font-size: 1.15em;
    font-weight: 650;
    margin: 32px 0 12px;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1em;
    font-weight: 650;
    margin: 0 0 10px;
}

a {
    color: var(--color-primary);
}

/* Nav */
.app-nav {
    background: var(--color-surface-raised);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 28px;
}

.app-nav-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
}

.app-nav a {
    padding: 14px 14px 12px;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: 0.92em;
    font-weight: 550;
    border-bottom: 2px solid transparent;
}

.app-nav a:hover {
    color: var(--color-text);
}

.app-nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Cards */
.card {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 22px;
    margin-bottom: 24px;
}

/* Stat tiles */
.stat-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.stat-tile {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 20px;
    min-width: 160px;
    flex: 1;
}

.stat-tile .label {
    font-size: 0.82em;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.stat-tile .value {
    font-size: 1.5em;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.stat-tile .value.positive {
    color: var(--color-positive);
}

.stat-tile .value.negative {
    color: var(--color-negative);
}

/* Tables */
.table-wrap {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92em;
}

th,
td {
    padding: 10px 14px;
    text-align: left;
    vertical-align: middle;
}

thead th {
    font-size: 0.76em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    font-weight: 650;
    border-bottom: 1px solid var(--color-gridline);
    background: var(--color-surface);
}

tbody tr {
    border-bottom: 1px solid var(--color-gridline);
}

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

tbody tr:hover {
    background: var(--color-surface);
}

tfoot th {
    border-top: 1px solid var(--color-gridline);
    padding: 10px 14px;
}

.text-right,
.amount {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

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

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

/* Forms */
label {
    font-size: 0.85em;
    color: var(--color-text-secondary);
}

input,
select,
textarea {
    font-family: var(--font);
    font-size: 0.95em;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-raised);
    color: var(--color-text);
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

/* Buttons */
.btn,
button {
    font-family: var(--font);
    font-size: 0.9em;
    font-weight: 550;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: var(--color-primary);
    color: white;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    line-height: 1.3;
}

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

.btn-secondary {
    background: var(--color-surface-raised);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

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

.btn-danger:hover {
    background: #a82f2f;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.82em;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.78em;
    font-weight: 600;
    white-space: nowrap;
}

.badge-positive {
    background: var(--color-positive-wash);
    color: var(--color-positive);
}

.badge-negative {
    background: var(--color-negative-wash);
    color: var(--color-negative);
}

.badge-warning {
    background: var(--color-warning-wash);
    color: #8a5c00;
}

.badge-neutral {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Filter bars & toolbars */
.filter-bar,
.toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
}

.filter-bar label,
.toolbar label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toolbar.accent {
    background: var(--color-primary-wash);
    border-color: transparent;
}

/* Muted helper text */
.muted {
    color: var(--color-text-secondary);
    font-size: 0.9em;
}

.text-muted {
    color: var(--color-text-muted);
}

/* Inline quick-assign selects (compact, no visible chrome until hover) */
.quick-select {
    padding: 4px 6px;
    font-size: 0.86em;
    border-color: transparent;
    background: transparent;
    max-width: 150px;
}

.quick-select:hover {
    border-color: var(--color-border);
    background: var(--color-surface);
}

/* Party/description cell in the transactions table */
.party-cell .party {
    font-weight: 600;
    color: var(--color-text);
}

.party-cell .booking-type {
    display: block;
    font-size: 0.78em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 1px;
}

/* Charts */
.chart-card {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 22px 12px;
    margin-bottom: 24px;
}

.chart-legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.82em;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.chart-legend .swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin-right: 5px;
    vertical-align: -1px;
}