/*
 * SPDX-FileCopyrightText: Klaus-E. Klingner (SilverDay Media)
 * SPDX-License-Identifier: MIT
 *
 * Single source of truth for ClearStats page styling.
 * Tokens mirror docs/design-system.md. Templates must not ship local <style> blocks.
 */

/* ==================================================================== fonts */

/* Self-hosted so no page load discloses a visitor IP to a third-party font CDN. */
@font-face {
    font-family: Inter;
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url(/fonts/inter-latin.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: Inter;
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url(/fonts/inter-latin-ext.woff2) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url(/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ============================================================ design tokens */

:root {
    color-scheme: light;

    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-foreground: #0f172a;
    --color-muted-foreground: #64748b;
    --color-muted: #e8ecf1;
    --color-border: #e2e8f0;
    --color-primary: #0f172a;
    --color-on-primary: #ffffff;
    --color-secondary: #334155;
    --color-accent: #0369a1;
    --color-accent-hover: #075985;
    --color-accent-muted: #e0f2fe;
    --color-on-accent: #ffffff;
    --color-destructive: #dc2626;
    --color-ring: rgba(3, 105, 161, .32);

    --color-success: #047857;
    --color-success-muted: #d1fae5;

    /* Code blocks stay dark in both themes. */
    --color-ink: #0f172a;
    --color-ink-foreground: #e2e8f0;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --shadow-md: 0 4px 6px rgba(15, 23, 42, .10);
    --shadow-lg: 0 10px 15px rgba(15, 23, 42, .10);

    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --table-row-height: 36px;
    --table-font-size: 14px;
    --table-header-font-size: 12px;

    --nav-height: 64px;
    --content-width: 1280px;
    --transition: 180ms ease;
}

[data-theme="dark"] {
    color-scheme: dark;

    --color-background: #0b1220;
    --color-surface: #111827;
    --color-foreground: #e2e8f0;
    --color-muted-foreground: #94a3b8;
    --color-muted: #1e293b;
    --color-border: #273240;
    --color-primary: #e2e8f0;
    --color-on-primary: #0b1220;
    --color-secondary: #cbd5e1;
    --color-accent: #38bdf8;
    --color-accent-hover: #7dd3fc;
    --color-accent-muted: #0c2d40;
    --color-on-accent: #0b1220;
    --color-destructive: #f87171;
    --color-ring: rgba(56, 189, 248, .32);

    --color-success: #6ee7b7;
    --color-success-muted: #064e3b;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .30);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, .35);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, .45);
}

/* First paint before the theme script runs. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        color-scheme: dark;
        --color-background: #0b1220;
        --color-surface: #111827;
        --color-foreground: #e2e8f0;
        --color-muted-foreground: #94a3b8;
        --color-muted: #1e293b;
        --color-border: #273240;
        --color-primary: #e2e8f0;
        --color-on-primary: #0b1220;
        --color-secondary: #cbd5e1;
        --color-accent: #38bdf8;
        --color-accent-hover: #7dd3fc;
        --color-accent-muted: #0c2d40;
        --color-on-accent: #0b1220;
        --color-destructive: #f87171;
        --color-ring: rgba(56, 189, 248, .32);
        --color-success: #6ee7b7;
        --color-success-muted: #064e3b;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, .30);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, .35);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, .45);
    }
}

/* ====================================================================== base */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background: var(--color-background);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--color-background);
    color: var(--color-foreground);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    margin: 0;
    color: var(--color-foreground);
    font-weight: 600;
    line-height: 1.3;
}

p,
dd,
dl,
ul,
ol {
    margin: 0;
}

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

a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

button,
select,
summary {
    cursor: pointer;
}

:where(a, button, input, select, textarea, summary):focus-visible {
    outline: 3px solid var(--color-ring);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

::selection {
    background: var(--color-accent);
    color: var(--color-on-accent);
}

code,
pre {
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
}

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

.numeric {
    font-variant-numeric: tabular-nums;
}

/* =============================================================== navigation */

.topnav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.topnav-inner {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    width: min(var(--content-width), 100%);
    height: var(--nav-height);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.topnav-brand {
    flex: 0 0 auto;
    color: var(--color-foreground);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.topnav-brand:hover {
    text-decoration: none;
}

.topnav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.topnav-links::-webkit-scrollbar {
    display: none;
}

.topnav-links a {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    color: var(--color-muted-foreground);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: color var(--transition), background-color var(--transition);
}

.topnav-links a:hover {
    color: var(--color-foreground);
    background: var(--color-muted);
    text-decoration: none;
}

.topnav-links a[aria-current="page"] {
    color: var(--color-foreground);
    background: var(--color-muted);
    font-weight: 600;
}

.topnav-end {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
}

.topnav-user {
    max-width: 220px;
    overflow: hidden;
    color: var(--color-muted-foreground);
    font-size: 13px;
    font-weight: 500;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topnav-user:hover,
.topnav-user[aria-current="page"] {
    color: var(--color-foreground);
    text-decoration: none;
}

.theme-switch {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    background: var(--color-muted);
    border-radius: var(--radius-md);
}

.theme-switch button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 28px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-muted-foreground);
    transition: color var(--transition), background-color var(--transition);
}

.theme-switch svg {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.theme-switch button:hover {
    color: var(--color-foreground);
}

.theme-switch button[aria-pressed="true"] {
    background: var(--color-surface);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

/* ==================================================================== layout */

.page {
    width: min(var(--content-width), 100%);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
}

.page-narrow {
    max-width: 820px;
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.025em;
}

.page-sub {
    margin-top: var(--space-xs);
    color: var(--color-muted-foreground);
    font-size: 14px;
}

.actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.page-note {
    margin-top: var(--space-lg);
    color: var(--color-muted-foreground);
    font-size: 13px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(var(--columns, 1), minmax(0, 1fr));
    gap: var(--space-lg);
}

.grid-2 {
    --columns: 2;
}

.grid-3 {
    --columns: 3;
}

.grid-5 {
    --columns: 5;
    gap: var(--space-md);
}

/* Dashboard stat-tile row — same vertical rhythm as .stack's row gap below it,
   which only applies gap *between* its own children, not above itself. */
.stat-grid {
    margin-bottom: var(--space-lg);
}

/* Wide content beside a narrower companion column. Grid's default stretch
   keeps both cards the same height; .card-chart below makes sure the taller
   card's chart actually grows to use that height instead of leaving it as
   dead space beneath a fixed-size chart. */
.grid-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
    gap: var(--space-lg);
}

.stack {
    display: grid;
    gap: var(--space-lg);
}

.stack-sm {
    display: grid;
    gap: var(--space-sm);
}

/* ================================================================ components */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-foreground);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
    background: var(--color-muted);
    text-decoration: none;
}

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

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

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--color-muted-foreground);
}

.btn-ghost:hover {
    background: var(--color-muted);
    color: var(--color-foreground);
}

.btn-block {
    width: 100%;
    height: 44px;
}

.btn-sm {
    height: 36px;
    padding: 0 12px;
}

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

.card-narrow {
    width: min(560px, 100%);
    margin: 0 auto;
}

.card-wide {
    width: min(780px, 100%);
    margin: 0 auto;
}

.card-title {
    margin-bottom: var(--space-md);
    color: var(--color-muted-foreground);
    font-size: var(--table-header-font-size);
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.card-lede {
    margin-top: var(--space-sm);
    color: var(--color-muted-foreground);
    font-size: 15px;
    line-height: 1.6;
}

/* Feature surface shared by the marketing hero and the sign-in brand column. */
.panel {
    padding: var(--space-3xl);
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-foreground);
}

.panel em {
    color: var(--color-accent);
    font-style: normal;
}

.panel-title {
    max-width: 15ch;
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -.04em;
    text-wrap: balance;
}

.panel-lede {
    max-width: 52ch;
    margin-top: var(--space-lg);
    color: var(--color-muted-foreground);
    font-size: 17px;
    line-height: 1.65;
}

.panel .actions,
.panel .marker-list,
.panel .grid {
    margin-top: var(--space-xl);
}

.marker-list {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    padding: 0;
    color: var(--color-muted-foreground);
    font-size: 13px;
    list-style: none;
}

.marker-list li::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: var(--space-sm);
    border-radius: 50%;
    background: #34d399;
    vertical-align: middle;
}

/* Metric tile reused by the dashboard, the hero preview and the sites summary. */
.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-label {
    color: var(--color-muted-foreground);
    font-size: var(--table-header-font-size);
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.stat-value {
    color: var(--color-foreground);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
}

.stat-note {
    margin-top: auto;
    color: var(--color-muted-foreground);
    font-size: 12px;
    line-height: 1.45;
}

.stat-plain {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    gap: var(--space-xs);
}

.stat-plain .stat-value {
    font-size: 19px;
}

.stat-plain .stat-label {
    text-transform: none;
    letter-spacing: 0;
    font-weight: 500;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--table-font-size);
}

.table th {
    padding: 8px;
    color: var(--color-muted-foreground);
    font-size: var(--table-header-font-size);
    font-weight: 600;
    letter-spacing: .02em;
    text-align: left;
    text-transform: uppercase;
    border-bottom: 1px solid var(--color-border);
}

.table td {
    height: var(--table-row-height);
    padding: 8px;
    color: var(--color-foreground);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th:last-child,
.table td:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.table tbody tr:last-child td {
    border-bottom: 0;
}

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

.table td.table-empty {
    color: var(--color-muted-foreground);
    text-align: left;
}

/* Long values (a full URL path, a source/medium/campaign triple) clip with
   an ellipsis instead of forcing the table wider than its card. A max-width
   on this span is not enough by itself: table auto-layout sizes columns
   from each cell's unconstrained content width, so a nowrap span still
   forces the column (and the whole table, triggering .table-wrap's
   scrollbar) wider unless the cell itself has a fixed width — see
   .table-fixed below, which this pairs with on the Top pages table. Full
   value is still available via the title attribute / on hover. */
.table-truncate {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Opt-in modifier (not the default .table behavior — the Users table etc.
   still want auto column sizing) for a table in a narrow column where a
   long first-column value must not push the table wider than its card.
   overflow-wrap is the actual guarantee against that: a fixed cell width
   only stops the table's own box from growing — a single unbreakable word
   (a header label, say) still overflows into the next cell visually, and
   that overflow still counts toward .table-wrap's scrollable area even
   though the table itself never got wider. Letting it break stops that. */
.table-fixed {
    table-layout: fixed;
}

.table-fixed th,
.table-fixed td {
    overflow-wrap: anywhere;
}

.table-fixed th:first-child,
.table-fixed td:first-child {
    width: 38%;
}

.table-fixed th:not(:first-child),
.table-fixed td:not(:first-child) {
    width: 19%;
}

/* "Visitors" is the longest header word in this row — a few more points
   than its "Views"/"Bounce" neighbors keeps it on one line. */
.table-fixed th:nth-child(3),
.table-fixed td:nth-child(3) {
    width: 24%;
}

/* Full-width per-site table on the "All assigned sites" dashboard. Same
   fixed layout as .table-fixed (so a long site name truncates instead of
   widening the table), sized for one label column and five numeric ones. */
.table-sites {
    table-layout: fixed;
}

.table-sites th:first-child,
.table-sites td:first-child {
    width: 30%;
}

.table-sites th:not(:first-child),
.table-sites td:not(:first-child) {
    width: 14%;
}

.badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.badge-neutral {
    background: var(--color-muted);
    color: var(--color-muted-foreground);
}

.badge-accent {
    background: var(--color-accent-muted);
    color: var(--color-accent);
}

.badge-success {
    background: var(--color-success-muted);
    color: var(--color-success);
}

/* Lets .chart below grow to use the full height the grid gives this card
   (matching its stretched row companion) instead of a fixed height leaving
   unused space under it. */
.card-chart {
    display: flex;
    flex-direction: column;
}

/* Fixed, definite height by default — chart-bar's height:X% needs a definite
   ancestor height to resolve against, and outside .card-chart (e.g. the
   homepage hero preview) there's no flex context to provide one. */
.chart {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    height: 180px;
    padding-top: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

/* Inside a .card-chart flex column, grow to fill the row's stretched
   height instead of leaving dead space under a shorter fixed chart. Only
   in .grid-split: a standalone .card-chart (the full-width portfolio chart)
   has no stretched height to grow into, so height:auto would collapse the
   chart and leave the bars' height:X% with nothing definite to resolve
   against — it keeps the fixed .chart height instead. */
.grid-split .card-chart .chart {
    flex: 1;
    height: auto;
}

.chart-bar {
    position: relative;
    flex: 1;
    min-height: 4px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    background: var(--color-accent);
    transition: opacity var(--transition);
}

.chart-bar:hover {
    opacity: .75;
}

/* Anchored to the bar's own top edge (not the chart container's), so it
   tracks the bar regardless of how tall that bar is. */
.chart-bar-value {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: var(--space-xs);
    color: var(--color-muted-foreground);
    font-size: 11px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.chart-axis {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.chart-axis-label {
    flex: 1;
    overflow: hidden;
    color: var(--color-muted-foreground);
    font-size: 11px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chart-empty {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    color: var(--color-muted-foreground);
    font-size: 14px;
}

/* Row of date-range presets + custom-range form above the stat tiles. */
.range-picker {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: var(--space-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.range-picker-custom {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding-left: var(--space-xs);
    border-left: 1px solid var(--color-border);
}

.range-picker-custom input[type="date"] {
    width: auto;
    height: 36px;
    padding: 0 8px;
    font-size: 13px;
}

.range-picker-sep {
    color: var(--color-muted-foreground);
    font-size: 13px;
}

/* Row entry reused by the site list. */
.list {
    display: grid;
    gap: var(--space-sm);
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
}

.list-item:hover {
    border-color: var(--color-accent);
}

.list-item-title {
    color: var(--color-foreground);
    font-size: 15px;
    font-weight: 600;
}

.list-item-meta {
    margin-top: 2px;
    color: var(--color-muted-foreground);
    font-size: 13px;
}

.list-item-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 14px;
}

/* ===================================================================== forms */

.form {
    display: grid;
    gap: var(--space-lg);
}

.form label,
.field {
    display: grid;
    gap: var(--space-sm);
    color: var(--color-foreground);
    font-size: 14px;
    font-weight: 500;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.form-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: 13px;
}

.form-error {
    padding: 10px 12px;
    border: 1px solid var(--color-destructive);
    border-radius: var(--radius-md);
    color: var(--color-destructive);
    font-size: 14px;
}

.form-error:empty {
    display: none;
}

.form-success {
    width: min(560px, 100%);
    margin: 0 auto var(--space-md);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: var(--color-success-muted);
    color: var(--color-success);
    font-size: 14px;
}

.form-success:empty {
    display: none;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-foreground);
    font-family: inherit;
    font-size: 15px;
    font-weight: 400;
    transition: border-color var(--transition), box-shadow var(--transition);
}

textarea {
    height: auto;
    padding: 10px 12px;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-muted-foreground);
    opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-ring);
}

.checkbox,
.form .checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-muted-foreground);
    font-size: 14px;
    font-weight: 400;
}

.checkbox input {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--color-accent);
}

/* ====================================================== long-form documents */

.prose {
    max-width: 68ch;
}

.prose .lede {
    max-width: none;
    margin-bottom: var(--space-xl);
    color: var(--color-muted-foreground);
    font-size: 18px;
    line-height: 1.7;
}

.prose h2 {
    margin: var(--space-xl) 0 var(--space-sm);
    font-size: 18px;
}

.prose p {
    margin-bottom: var(--space-md);
    color: var(--color-muted-foreground);
    line-height: 1.75;
}

.faq {
    display: grid;
    gap: var(--space-sm);
}

.faq details {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.faq summary {
    color: var(--color-foreground);
    font-size: 15px;
    font-weight: 600;
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "+";
    float: right;
    color: var(--color-muted-foreground);
    font-weight: 500;
}

.faq details[open] summary::after {
    content: "\2212";
}

.faq p {
    margin-top: var(--space-md);
    color: var(--color-muted-foreground);
    font-size: 14px;
    line-height: 1.7;
}

/* ============================================================ page specifics */

/* Sign-in keeps the marketing panel beside the form. */
.auth {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
    gap: var(--space-lg);
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
}

.auth .panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl);
}

.auth .panel-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

.auth-form {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -.02em;
}

.auth-form>p {
    margin: var(--space-sm) 0 var(--space-xl);
    color: var(--color-muted-foreground);
    font-size: 14px;
}

.auth-foot {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    font-size: 13px;
    text-align: center;
}

/* Marketing hero: inverted panel with a light preview card. */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
    align-items: center;
    gap: var(--space-3xl);
}

.hero-preview {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-preview-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.hero-preview-head .stat-value {
    font-size: 30px;
}

.hero-preview .grid {
    padding: var(--space-lg) 0;
}

.hero-preview-foot {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    font-size: 12px;
}

.features {
    padding: var(--space-3xl) 0 var(--space-xl);
}

.features h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -.025em;
}

.features .grid {
    margin-top: var(--space-xl);
}

.features article {
    padding-top: var(--space-md);
    border-top: 2px solid var(--color-border);
}

.features h3 {
    margin-bottom: var(--space-sm);
    font-size: 17px;
}

.features p {
    color: var(--color-muted-foreground);
    font-size: 14px;
    line-height: 1.65;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    font-size: 13px;
}

.site-footer nav {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.site-footer a {
    color: var(--color-muted-foreground);
}

.site-footer a:hover {
    color: var(--color-foreground);
}

/* Tracking snippet handed to the operator after a site is created. */
.install-panel {
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-accent-muted);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
}

.install-panel h2 {
    margin-bottom: var(--space-sm);
    font-size: 18px;
}

.install-panel p {
    color: var(--color-muted-foreground);
    font-size: 14px;
    line-height: 1.65;
}

.install-panel pre {
    margin: var(--space-md) 0;
    padding: var(--space-md);
    overflow-x: auto;
    background: var(--color-ink);
    border-radius: var(--radius-md);
    color: var(--color-ink-foreground);
    font-size: 13px;
}

/* ================================================================ responsive */

@media (max-width: 1100px) {
    .grid-5 {
        --columns: 3;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-preview {
        order: -1;
    }

    .panel {
        padding: var(--space-2xl);
    }
}

@media (max-width: 900px) {

    .grid-2,
    .grid-3,
    .grid-split,
    .form-row {
        grid-template-columns: 1fr;
    }

    .auth {
        grid-template-columns: 1fr;
    }

    .auth .panel {
        order: 2;
    }

    .auth .panel .grid-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .features .grid {
        gap: 0;
    }

    .features article {
        padding-bottom: var(--space-lg);
    }
}

@media (max-width: 680px) {
    .topnav-inner {
        height: auto;
        padding: var(--space-sm) var(--space-md);
        flex-wrap: wrap;
        row-gap: var(--space-sm);
        gap: var(--space-sm);
    }

    .topnav-links {
        order: 3;
        width: 100%;
    }

    .topnav-end {
        order: 2;
    }

    .topnav-links a {
        padding: 0 8px;
    }

    .page {
        padding: var(--space-xl) var(--space-md) var(--space-2xl);
    }

    .page-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .actions {
        width: 100%;
    }

    .page-title {
        font-size: 26px;
    }

    .grid-5 {
        --columns: 2;
    }

    .grid-5 .stat:last-child {
        grid-column: 1 / -1;
    }

    .panel {
        padding: var(--space-xl) var(--space-lg);
    }

    .auth {
        padding: var(--space-xl) var(--space-md) var(--space-2xl);
    }

    .auth .panel {
        padding: var(--space-lg);
    }

    .list-item {
        align-items: flex-start;
        flex-direction: column;
    }

    .form-actions .btn,
    .actions .btn {
        flex: 1;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}