/*
 * Dark is the default palette; :root[data-theme="light"] below overrides the
 * tokens rather than the rules, so every component is themed in one place.
 * The html tag is stamped server-side from the theme cookie — see App\Core\Theme.
 */
:root {
    /* native date, month and select widgets follow the theme */
    color-scheme: dark;

    /* brand */
    --primary: #38bdf8;
    --primary-hover: #7dd3fc;
    --primary-soft: rgb(56 189 248 / 0.12);
    --primary-contrast: #0a0a0b;

    /*
     * Financial semantics — green and red stay reserved for signed values.
     * Both read lighter than the light theme did: anything darker than the 400
     * step loses contrast against a near-black surface.
     */
    --positive: #4ade80;
    --negative: #f87171;

    /*
     * UI feedback (errors, destructive actions). Still a separate token from
     * --negative so the two can diverge again, but on a dark surface they land
     * on the same red — the darker error reds are unreadable here.
     */
    --danger: #f87171;
    --danger-bg: rgb(248 113 113 / 0.12);
    --success: #4ade80;
    --success-bg: rgb(74 222 128 / 0.12);

    /* surfaces — depth comes from stepping the surface up, not from shadow */
    --bg: #0a0a0b;
    --surface: #16161a;
    --surface-raised: #1c1c22;
    --input-bg: #101013;
    --border: #26262d;
    --border-strong: #35353f;

    /* text */
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --text-dim: #71717a;

    /* translucent white, for states that must work over any dark surface */
    --overlay-hover: rgb(255 255 255 / 0.06);
    --overlay-active: rgb(255 255 255 / 0.1);

    /* every topbar item shares this height, so the active pill cannot grow the row */
    --nav-item-h: 2.25rem;

    /* shape */
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 12px rgb(0 0 0 / 0.45);
}

/*
 * Light theme. Signed values and the accent all move to the 600–700 steps:
 * the light steps that carry a near-black background measure under 2:1 on white.
 */
:root[data-theme="light"] {
    color-scheme: light;

    --primary: #0369a1;
    --primary-hover: #075985;
    --primary-soft: rgb(2 132 199 / 0.1);
    --primary-contrast: #ffffff;

    --positive: #15803d;
    --negative: #b91c1c;

    --danger: #b91c1c;
    --danger-bg: rgb(185 28 28 / 0.1);
    --success: #15803d;
    --success-bg: rgb(21 128 61 / 0.1);

    /* depth comes back from shadow here, so raised surfaces stay white */
    --bg: #f1f5f9;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --input-bg: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;

    --text: #0f172a;
    --muted: #475569;
    --text-dim: #64748b;

    /* the overlays invert: translucent ink instead of translucent white */
    --overlay-hover: rgb(15 23 42 / 0.05);
    --overlay-active: rgb(15 23 42 / 0.09);

    --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.04), 0 1px 3px rgb(15 23 42 / 0.06);
    --shadow-md: 0 4px 6px -1px rgb(15 23 42 / 0.05), 0 10px 20px -5px rgb(15 23 42 / 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* only the surfaces that repaint on a theme switch, so hover states stay snappy */
@media (prefers-reduced-motion: no-preference) {
    body,
    .topbar,
    .card,
    .btn-ghost,
    .theme-toggle,
    input,
    select {
        transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
    }
}

.icon {
    width: 1em;
    height: 1em;
    display: block;
    flex: none;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.topbar-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--primary);
    text-decoration: none;
}

.brand .icon {
    width: 1.35rem;
    height: 1.35rem;
    color: var(--primary);
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    flex-wrap: wrap;
}

.topbar-nav a,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    height: var(--nav-item-h);
    line-height: 1;
    border-radius: 999px;
}

.topbar-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0 0.75rem;
}

.topbar-nav a:hover {
    color: var(--text);
    background: var(--overlay-hover);
}

.topbar-nav a.active {
    color: var(--primary);
    background: var(--primary-soft);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--nav-item-h);
    height: var(--nav-item-h);
    padding: 0;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    background: var(--overlay-hover);
    color: var(--muted);
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--overlay-active);
    color: var(--text);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.theme-toggle .icon {
    width: 1.05rem;
    height: 1.05rem;
}

/* the visible glyph names the theme the click switches to, matching the label */
.theme-icon-sun,
.theme-icon-moon {
    display: none;
}

:root[data-theme="dark"] .theme-icon-sun,
:root[data-theme="light"] .theme-icon-moon {
    display: block;
}

.topbar-user {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-left: 1rem;
}

/* divider sized independently of the username's text box, so it stays centred */
.topbar-user::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 1.5rem;
    background: var(--border-strong);
}

.topbar-user form {
    margin: 0;
    display: flex;
}

.topbar-username {
    color: var(--muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-ghost {
    padding: 0 0.9rem;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted);
    background: var(--overlay-hover);
    border: 1px solid var(--border-strong);
    cursor: pointer;
}

.btn-ghost:hover {
    background: var(--overlay-active);
    color: var(--text);
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.auth-card {
    max-width: 420px;
    margin: 2rem auto;
    padding: 2.25rem;
}

.auth-card h1 {
    margin-top: 0;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

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

.field {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.8rem;
    font: inherit;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
}

::placeholder {
    color: var(--text-dim);
}

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

.btn {
    display: inline-block;
    padding: 0.65rem 1.35rem;
    font: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* dark ink on the light blue: white here would land around 1.9:1 */
.btn-primary {
    background: var(--primary);
    color: var(--primary-contrast);
    width: 100%;
}

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

.btn-link {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--primary);
    cursor: pointer;
    text-decoration: underline;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
}

.checkbox-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 400;
    margin: 0;
}

.field-error {
    color: var(--danger);
    font-size: 0.875rem;
    margin: 0.25rem 0 0;
}

.hint {
    color: var(--muted);
    font-size: 0.875rem;
    margin: 0.25rem 0 0;
}

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

.page-head {
    margin-bottom: 1.25rem;
}

.page-head h1 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.form-card,
.list-card {
    margin-bottom: 1.5rem;
}

.form-card h2,
.list-card h2 {
    margin-top: 0;
    font-size: 1.0625rem;
}

.form-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row .field {
    margin-bottom: 0;
}

.form-row .grow {
    flex: 1;
    min-width: 200px;
}

.form-row .btn {
    margin-top: 1.7rem;
    width: auto;
}

select {
    padding: 0.6rem 0.8rem;
    font: inherit;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
}

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

/* fieldset carries browser default chrome the other fields do not have */
.color-field {
    border: none;
    margin: 0;
    padding: 0;
    min-width: 0;
}

.color-field legend {
    padding: 0;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.35rem;
}

.swatches {
    display: grid;
    grid-template-columns: repeat(5, 1.5rem);
    gap: 0.4rem;
}

.swatch {
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: var(--swatch);
    cursor: pointer;

    /* the ring sits outside the dot, so selection never resizes the grid */
    box-shadow: 0 0 0 1px var(--border-strong);
}

.swatch:hover {
    box-shadow: 0 0 0 2px var(--border-strong);
}

.swatch[aria-pressed="true"] {
    box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--swatch);
}

.swatch:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.color-custom {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.6rem 0 0;
    font-weight: 400;
    font-size: 0.8125rem;
    color: var(--muted);
}

.color-custom input[type="color"] {
    width: 2.25rem;
    height: 1.75rem;
    padding: 0;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    cursor: pointer;
}

.category-name {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.color-dot {
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 999px;
    background: var(--dot);
    flex: none;
}

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

.table th {
    text-align: left;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 0.7rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover td {
    background: var(--overlay-hover);
}

.table tr:last-child td {
    border-bottom: none;
}

.row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
}

.row-actions form {
    margin: 0;
}

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

.table-wrap {
    overflow-x: auto;
}

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

.amount-income {
    color: var(--positive);
    font-weight: 600;
}

.amount-expense {
    color: var(--negative);
    font-weight: 600;
}

input[type="date"],
input[type="month"] {
    padding: 0.55rem 0.8rem;
    font: inherit;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    background: var(--surface-raised);
    box-shadow: var(--shadow-md);
}

.stat-head {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
}

.stat-icon .icon {
    width: 1.05rem;
    height: 1.05rem;
}

.stat-label {
    color: var(--muted);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.stat-empty {
    color: var(--muted);
    font-size: 0.8125rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-align: center;
    color: var(--muted);
    padding: 2rem 1rem;
}

.empty-state .icon {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--text-dim);
    margin-bottom: 0.15rem;
}

.empty-state p {
    margin: 0;
    font-size: 0.9375rem;
}

.grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.grid-2col h2,
.card h2 {
    margin-top: 0;
    font-size: 1.0625rem;
}

.chart-wrap {
    position: relative;
    height: 300px;
}

.plan-row {
    margin-bottom: 1.1rem;
}

.plan-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.progress {
    height: 8px;
    background: var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 999px;
}

/* a ceiling crossed is bad news, a goal reached is good news */
.progress-bar.over {
    background: var(--negative);
}

.progress-bar.reached {
    background: var(--positive);
}

.report-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.month-picker {
    display: flex;
    gap: 0.5rem;
}

.month-picker .btn {
    width: auto;
}

.list-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.filter-clear {
    align-self: center;
    margin-top: 1.55rem;
}