/* ===== Tokens ===== */
:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --surface-2: #f8f9fb;
    --border: #e1e4ea;
    --text: #1b2130;
    --muted: #5d6679;
    --primary: #1f5eff;
    --primary-text: #ffffff;
    --primary-hover: #174bd1;
    --success: #127a3e;
    --success-bg: #e3f5ea;
    --error: #b42318;
    --error-bg: #fdecea;
    --warning: #8a5a00;
    --warning-bg: #fff4d6;
    --neutral-bg: #eceef2;
    --code-bg: #f1f3f7;
    --focus: 0 0 0 3px rgba(31, 94, 255, .35);
    --radius: 8px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06);
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1218;
        --surface: #171b23;
        --surface-2: #1c212b;
        --border: #2a303c;
        --text: #e6e9ef;
        --muted: #9aa3b4;
        --primary: #6d95ff;
        --primary-text: #0b1020;
        --primary-hover: #8eadff;
        --success: #5fd08f;
        --success-bg: #11301f;
        --error: #ff8a80;
        --error-bg: #3a1714;
        --warning: #f4c96b;
        --warning-bg: #36290b;
        --neutral-bg: #262c37;
        --code-bg: #11151c;
        --shadow: none;
        color-scheme: dark;
    }
}

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

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
h1 { font-size: 1.6rem; margin: 0; line-height: 1.25; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
code, .mono { font-family: var(--font-mono); font-size: .9em; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
:focus-visible { outline: none; box-shadow: var(--focus); }
[hidden] { display: none !important; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px 16px 64px; }
.container-narrow { max-width: 460px; padding-top: 10vh; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }
.break { word-break: break-all; }
.text-error { color: var(--error); }

/* ===== Topbar ===== */
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
    min-height: 56px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav a, .nav .link {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font: inherit;
}
.nav a:hover, .nav .link:hover { background: var(--surface-2); color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); background: var(--neutral-bg); font-weight: 600; }
.nav-spacer { flex: 1; }
.nav-toggle { display: none; margin-left: auto; }

@media (max-width: 760px) {
    .topbar { flex-wrap: wrap; padding: 8px 16px; }
    .nav-toggle { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); border-radius: var(--radius-sm); padding: 6px 12px; font: inherit; cursor: pointer; }
    .nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; padding-bottom: 8px; }
    .nav.open { display: flex; }
    .nav-spacer { display: none; }
    .nav .inline, .nav .link { width: 100%; text-align: left; }
}

/* ===== Layout helpers ===== */
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb { margin: 0 0 4px; color: var(--muted); font-size: .9rem; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-header h2 { margin: 0; }
.card-danger { border-color: var(--error); }
.auth-card h1 { margin-bottom: 4px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
.grid-url { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 0 20px; }
@media (max-width: 760px) { .grid-2, .grid-url { grid-template-columns: 1fr; } }

/* ===== Stats ===== */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 4px; }
.stat-label { color: var(--muted); font-size: .85rem; }
.stat-value { font-size: 1.8rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-success { color: var(--success); }
.stat-error { color: var(--error); }
.stat-warning { color: var(--warning); }

/* ===== Forms ===== */
.form label, .filters label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: .92rem; }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form legend { font-weight: 600; margin: 14px 0 6px; font-size: .92rem; }
input, select, textarea {
    width: 100%;
    font: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    min-height: 40px;
}
textarea { resize: vertical; }
input:disabled { background: var(--surface-2); color: var(--muted); }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: var(--focus); outline: none; }
.form label.check, .check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    margin: 10px 0 0;
    cursor: pointer;
}
.check input { width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--primary); }
.checks-inline { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.checks-inline .check { margin-top: 4px; }
.checks-stack { padding-top: 24px; }
.hint { color: var(--muted); font-size: .85rem; margin: 6px 0 0; }
.field-error { color: var(--error); font-size: .85rem; margin: 6px 0 0; }
.subform { border-left: 3px solid var(--border); padding-left: 16px; margin-top: 8px; }
.input-prefix { display: flex; align-items: stretch; }
.input-prefix span {
    display: flex; align-items: center; padding: 0 10px;
    background: var(--surface-2); border: 1px solid var(--border); border-right: 0;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm); color: var(--muted); font-family: var(--font-mono); font-size: .9em;
}
.input-prefix input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.input-actions { display: flex; gap: 8px; }
.input-actions input { flex: 1; min-width: 0; }
.form-actions { display: flex; justify-content: flex-end; gap: 12px; }
.form-inline { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.form-inline label { flex-basis: 100%; }
.form-inline input { max-width: 320px; }
.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 12px; }
.filters > div { min-width: 200px; }
.filters label { margin-top: 0; }
.inline { display: inline; margin: 0; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}
.btn:hover { background: var(--surface-2); color: var(--text); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: var(--primary-text); }
.btn-danger { color: var(--error); border-color: var(--error); }
.btn-danger:hover { background: var(--error-bg); color: var(--error); }
.btn-small { min-height: 32px; padding: 4px 10px; font-size: .85rem; }
.btn-block { width: 100%; margin-top: 20px; }
.link { background: none; border: 0; cursor: pointer; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
.table tbody tr:hover { background: var(--surface-2); }
.table .actions { white-space: nowrap; text-align: right; }
.table .actions .inline + .inline, .table .actions .btn + .inline { margin-left: 4px; }
.empty { color: var(--muted); text-align: center; padding: 24px 0; margin: 0; }

/* ===== Badges / tags ===== */
.tag { display: inline-block; font-family: var(--font-mono); font-size: .75rem; padding: 2px 6px; border-radius: 4px; background: var(--neutral-bg); }
.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--neutral-bg); color: var(--muted); white-space: nowrap; }
h1 .badge { font-size: .8rem; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-failed, .badge-rejected { background: var(--error-bg); color: var(--error); }
.badge-partial, .badge-processing { background: var(--warning-bg); color: var(--warning); }
.badge-stored, .badge-muted, .badge-skipped { background: var(--neutral-bg); color: var(--muted); }

/* ===== Alerts ===== */
.alert { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 20px; border: 1px solid transparent; }
.alert ul { margin: 6px 0 0; padding-left: 20px; }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--error-bg); color: var(--error); }
.alert-warning { background: var(--warning-bg); color: var(--warning); }
.alert code { background: var(--surface); color: var(--text); }

/* ===== Details / code ===== */
.details { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 8px 16px; margin: 12px 0; }
.details dt { color: var(--muted); font-size: .9rem; }
.details dd { margin: 0; }
@media (max-width: 760px) { .details { grid-template-columns: 1fr; gap: 2px; } .details dd { margin-bottom: 8px; } }
details { margin-top: 12px; }
summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    overflow: auto;
    max-height: 480px;
    font-family: var(--font-mono);
    font-size: .85rem;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 8px 0;
}
.copy-box { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.copy-box code { flex: 1; min-width: 0; padding: 10px 12px; word-break: break-all; }
.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: 8px 0; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.plain-list li:last-child { border-bottom: 0; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 16px; }