/* =============================================================
   urlshort-qr-gen – Stylesheet (kein Framework, kein Build-Schritt)
   ============================================================= */

:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --border: #e2e5ea;
    --border-strong: #cbd2dc;
    --text: #1b2029;
    --muted: #667085;
    --primary: #2c5cc5;
    --primary-dark: #244da6;
    --primary-soft: #eaf0fd;
    --danger: #b3261e;
    --danger-soft: #fdeceb;
    --warn: #8a5a00;
    --warn-soft: #fff6e3;
    --success: #1a6b45;
    --success-soft: #e8f6ef;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px -12px rgba(16, 24, 40, .18);
    --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14171c;
        --surface: #1c2027;
        --border: #2c323b;
        --border-strong: #3b434f;
        --text: #e7eaef;
        --muted: #98a2b3;
        --primary: #6c96f0;
        --primary-dark: #82a8f7;
        --primary-soft: #1e2a3f;
        --danger: #f28b82;
        --danger-soft: #3a2320;
        --warn: #f0c36d;
        --warn-soft: #38301d;
        --success: #7ad0a5;
        --success-soft: #1b2f26;
        --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 .4em; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .92em; }
code { background: var(--primary-soft); padding: .1em .35em; border-radius: 4px; }

.container { width: min(1140px, 100% - 2.5rem); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.truncate {
    display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}

/* ---------- Kopfzeile ---------- */

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 20;
}

.topbar__inner {
    display: flex; align-items: center; gap: 1.25rem;
    min-height: 62px; flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }

.brand__mark {
    width: 22px; height: 22px; border-radius: 6px; display: inline-block;
    background:
        linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 55%, #14b8a6));
}
.brand__mark--lg { width: 34px; height: 34px; border-radius: 9px; margin-bottom: .5rem; }

.mainnav { display: flex; align-items: center; gap: .35rem; margin-right: auto; flex-wrap: wrap; }
.mainnav > a {
    padding: .4rem .7rem; border-radius: var(--radius-sm); color: var(--muted); font-weight: 500;
}
.mainnav > a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.mainnav > a.is-active { color: var(--text); background: var(--primary-soft); }
.mainnav > a.btn { color: #fff; }
.mainnav > a.btn:hover { color: #fff; }

.logout { display: flex; align-items: center; gap: .6rem; margin: 0; }
.logout__user { color: var(--muted); font-size: .875rem; }

.main { padding: 1.75rem 0 3rem; }

.footer { border-top: 1px solid var(--border); padding: 1.25rem 0; color: var(--muted); font-size: .8125rem; }

/* ---------- Zentriertes Layout (Login/Setup/Fehler) ---------- */

.body--centered { display: grid; place-items: center; min-height: 100vh; padding: 1.5rem; }
.centered { width: min(460px, 100%); }
.card--narrow { padding: 2rem; }
.card__head { text-align: center; margin-bottom: 1.5rem; }
.card__head h1 { font-size: 1.35rem; }
.bignum { font-size: 3rem; font-weight: 700; color: var(--muted); opacity: .35; line-height: 1; }
.trace {
    text-align: left; font-family: var(--mono); font-size: .75rem; background: var(--bg);
    border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .75rem;
    overflow: auto; max-height: 320px;
}

/* ---------- Karten & Raster ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.25rem;
}
.card--flush { padding: 0; overflow: hidden; }
.card--form { max-width: 720px; }
.card__head-row {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    flex-wrap: wrap; margin-bottom: .75rem;
}
.card__head-row h2 { margin: 0; }

.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.tight { gap: .85rem; }

.page-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem;
}
.page-head h1 { margin-bottom: .15rem; }
.page-head p { margin: 0; }
.page-head__actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.empty { text-align: center; padding: 3rem 1.5rem; }
.empty .btn { margin-top: .5rem; }

/* ---------- Kennzahlen ---------- */

.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem; margin-bottom: 1.25rem;
}
.stat {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1rem 1.15rem; display: flex; flex-direction: column; gap: .25rem;
}
.stat__label { color: var(--muted); font-size: .8125rem; text-transform: uppercase; letter-spacing: .04em; }
.stat__value { font-size: 1.75rem; font-weight: 650; line-height: 1.1; }
.stat__value--sm { font-size: 1.1rem; font-weight: 600; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .5rem .9rem; border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
    font: inherit; font-size: .9375rem; font-weight: 500; cursor: pointer;
    text-decoration: none; transition: background .12s ease, border-color .12s ease;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
    outline: 2px solid var(--primary); outline-offset: 2px;
}
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn--ghost:hover { background: var(--bg); color: var(--text); }
.btn--danger { color: var(--danger); border-color: transparent; background: transparent; }
.btn--danger:hover { background: var(--danger-soft); }
.btn--sm { padding: .3rem .6rem; font-size: .8125rem; }
.btn--block { width: 100%; }
.inline { display: inline; margin: 0; }

/* ---------- Formulare ---------- */

.form { display: flex; flex-direction: column; gap: 1.1rem; }
.form .grid { margin: 0; }
.field { display: flex; flex-direction: column; gap: .35rem; margin: 0; }
.field label, .label { font-weight: 550; font-size: .9375rem; }
.field__hint { color: var(--muted); font-size: .8125rem; margin: 0; }
.field__hint.warn { color: var(--warn); }
.field__error { color: var(--danger); font-size: .8125rem; margin: 0; }
.field--error input, .field--error select { border-color: var(--danger); }
.req { color: var(--danger); }

input[type="text"], input[type="password"], input[type="search"], input[type="url"],
input[type="email"], input[type="number"], input[type="file"], select, textarea {
    width: 100%; padding: .55rem .7rem; font: inherit; font-size: .9375rem;
    color: var(--text); background: var(--surface);
    border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
}
input::placeholder { color: var(--muted); opacity: .8; }
input[type="file"] { padding: .4rem; }
select { appearance: none; padding-right: 2rem;
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                      linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: right 1rem center, right .7rem center;
    background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
input[type="range"] { width: 100%; accent-color: var(--primary); }
input[type="color"] {
    width: 46px; height: 38px; padding: 2px; border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm); background: var(--surface); cursor: pointer;
}
.check { display: flex; align-items: center; gap: .5rem; font-weight: 500; cursor: pointer; }
.check input { width: 1.05rem; height: 1.05rem; accent-color: var(--primary); }
.form__actions { display: flex; gap: .6rem; flex-wrap: wrap; }

.input-prefix { display: flex; align-items: stretch; }
.input-prefix__label {
    display: inline-flex; align-items: center; padding: 0 .6rem;
    background: var(--bg); border: 1px solid var(--border-strong); border-right: 0;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: var(--muted); font-size: .8125rem; white-space: nowrap;
    max-width: 55%; overflow: hidden; text-overflow: ellipsis;
}
.input-prefix input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

.toolbar {
    display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.25rem;
}
.toolbar input[type="search"] { flex: 1 1 260px; }
.toolbar select { flex: 0 1 190px; }

/* ---------- Hinweise ---------- */

.alert {
    padding: .7rem .9rem; border-radius: var(--radius-sm); margin-bottom: 1rem;
    font-size: .9375rem; border: 1px solid transparent;
}
.alert--success { background: var(--success-soft); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.alert--error   { background: var(--danger-soft);  color: var(--danger);  border-color: color-mix(in srgb, var(--danger) 25%, transparent); }
.alert--warn    { background: var(--warn-soft);    color: var(--warn);    border-color: color-mix(in srgb, var(--warn) 30%, transparent); }

.badge {
    display: inline-block; padding: .12rem .5rem; border-radius: 999px;
    background: var(--primary-soft); color: var(--primary); font-size: .75rem; font-weight: 600;
    white-space: nowrap;
}
.badge--muted { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }

/* ---------- Tabellen ---------- */

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.table th, .table td { padding: .7rem .9rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.table thead th {
    font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
    color: var(--muted); font-weight: 600; background: var(--bg); border-bottom: 1px solid var(--border);
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: color-mix(in srgb, var(--primary-soft) 45%, transparent); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table--compact th, .table--compact td { padding: .45rem .7rem; font-size: .875rem; }
.table tr.is-inactive { opacity: .6; }
.truncate-cell { max-width: 320px; }
.truncate-cell a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell-stack { display: flex; flex-direction: column; gap: .15rem; align-items: flex-start; }
.actions { display: flex; gap: .25rem; flex-wrap: wrap; justify-content: flex-end; }

.linkcopy {
    border: 0; background: transparent; padding: 0; color: var(--primary); font: inherit;
    font-family: var(--mono); font-size: .9em; cursor: pointer; text-align: left;
}
.linkcopy:hover { text-decoration: underline; }
.linkcopy.is-copied::after { content: " ✓ kopiert"; color: var(--success); font-family: var(--sans); font-size: .8em; }
.linkcopy__domain { color: var(--muted); }

.badges { display: inline-flex; gap: .3rem; flex-wrap: wrap; }

.steps { margin: 0 0 1rem; padding-left: 1.25rem; display: flex; flex-direction: column; gap: .5rem; }
.steps li { padding-left: .2rem; }

/* Nummerierte Schrittanleitung mit eigenen Marken */
.steps--numbered { counter-reset: step; list-style: none; padding-left: 0; gap: 1.75rem; }
.steps--numbered > li { position: relative; padding-left: 2.6rem; }
.steps--numbered > li::before {
    counter-increment: step; content: counter(step);
    position: absolute; left: 0; top: .05rem;
    width: 1.85rem; height: 1.85rem; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--primary-soft); color: var(--primary);
    font-weight: 650; font-size: .875rem; font-variant-numeric: tabular-nums;
}
.steps--numbered h3 { font-size: 1rem; margin: .1rem 0 .4rem; }
.steps--numbered p { margin-bottom: .5rem; }
.steps--numbered .table-wrap { margin-bottom: .5rem; }
.steps--numbered .table { border: 1px solid var(--border); border-radius: var(--radius-sm); }

details {
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: .5rem .75rem; margin: .5rem 0; background: var(--bg);
}
details + details { margin-top: .4rem; }
details > summary {
    cursor: pointer; font-weight: 550; font-size: .9375rem; list-style: none;
    display: flex; align-items: center; gap: .45rem;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
    content: "▸"; color: var(--muted); font-size: .8em; transition: transform .12s ease;
}
details[open] > summary::before { transform: rotate(90deg); }
details > summary:hover { color: var(--primary); }
details > *:not(summary) { margin-top: .6rem; }

.code-block {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: .7rem .85rem; overflow-x: auto; font-size: .8125rem; line-height: 1.5; margin: 0 0 .5rem;
}
.code-block code { background: none; padding: 0; font-size: inherit; white-space: pre; }

/* ---------- Ergebnis der Domain-Pruefung ---------- */

.check-result { border-left: 4px solid var(--border-strong); }
.check-result--ok    { border-left-color: var(--success); }
.check-result--warn  { border-left-color: var(--warn); }
.check-result--error { border-left-color: var(--danger); }

.check-result__head { display: flex; gap: .85rem; align-items: flex-start; margin-bottom: 1rem; }
.check-result__head h2 { margin: 0 0 .15rem; }
.check-result__summary { margin: 0; color: var(--muted); }
.check-result__icon {
    flex: 0 0 auto; width: 2rem; height: 2rem; border-radius: 50%;
    display: grid; place-items: center; font-weight: 700; font-size: 1.05rem; line-height: 1;
}
.check-result--ok    .check-result__icon { background: var(--success-soft); color: var(--success); }
.check-result--warn  .check-result__icon { background: var(--warn-soft);    color: var(--warn); }
.check-result--error .check-result__icon { background: var(--danger-soft);  color: var(--danger); }

.check-list { list-style: none; margin: 0 0 1rem; padding: 0; display: flex; flex-direction: column; gap: .55rem; }
.check-list__item {
    display: grid; grid-template-columns: 1.25rem 5.5rem 1fr; gap: .5rem;
    align-items: baseline; font-size: .9375rem;
}
.check-list__icon { font-weight: 700; text-align: center; }
.check-list__item--ok    .check-list__icon { color: var(--success); }
.check-list__item--warn  .check-list__icon { color: var(--warn); }
.check-list__item--error .check-list__icon { color: var(--danger); }
.check-list__label { color: var(--muted); font-size: .8125rem; text-transform: uppercase; letter-spacing: .04em; }
@media (max-width: 640px) {
    .check-list__item { grid-template-columns: 1.25rem 1fr; }
    .check-list__label { grid-column: 2; }
    .check-list__text { grid-column: 2; }
}

.checklist { list-style: none; padding-left: 0; display: flex; flex-direction: column; gap: .45rem; margin: 0; }
.checklist li { padding-left: 1.1rem; position: relative; }
.checklist li::before { content: "–"; position: absolute; left: 0; color: var(--muted); }

.list { list-style: none; margin: 0; padding: 0; }
.list__item {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: .6rem 0; border-bottom: 1px solid var(--border);
}
.list__item:last-child { border-bottom: 0; }
.list__main { display: flex; flex-direction: column; min-width: 0; }

/* ---------- Diagramme & Balken ---------- */

.chart { position: relative; min-height: 140px; }
.chart canvas { width: 100% !important; }

.segmented { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.segmented a {
    padding: .3rem .7rem; font-size: .8125rem; color: var(--muted);
    border-right: 1px solid var(--border-strong);
}
.segmented a:last-child { border-right: 0; }
.segmented a:hover { background: var(--bg); text-decoration: none; }
.segmented a.is-active { background: var(--primary); color: #fff; }

.bars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.bars__row { display: grid; grid-template-columns: minmax(80px, 34%) 1fr auto; gap: .6rem; align-items: center; }
.bars__label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .875rem; }
.bars__track { background: var(--bg); border-radius: 999px; height: 9px; overflow: hidden; border: 1px solid var(--border); }
.bars__fill { display: block; height: 100%; background: var(--primary); border-radius: 999px; min-width: 2px; }
.bars__value { font-variant-numeric: tabular-nums; font-size: .875rem; color: var(--muted); }

/* ---------- QR-Bereich ---------- */

.qr-layout { display: grid; grid-template-columns: minmax(300px, 420px) 1fr; gap: 1.25rem; align-items: start; }
@media (max-width: 900px) { .qr-layout { grid-template-columns: 1fr; } }

.qr-preview { position: sticky; top: 82px; }
.qr-preview__stage {
    position: relative; display: grid; place-items: center; padding: 1rem;
    background:
        conic-gradient(from 45deg, #00000008 25%, transparent 0 50%, #00000008 0 75%, transparent 0) 0 0/20px 20px,
        var(--bg);
    border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1rem;
}
.qr-preview__stage img {
    display: block; width: 100%; max-width: 340px; height: auto; border-radius: 6px;
    image-rendering: pixelated;
}
.qr-preview__spinner {
    position: absolute; inset: 0; display: grid; place-items: center;
    background: color-mix(in srgb, var(--surface) 60%, transparent); border-radius: var(--radius);
}
.qr-preview__spinner::after {
    content: ""; width: 26px; height: 26px; border-radius: 50%;
    border: 3px solid var(--border-strong); border-top-color: var(--primary);
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .qr-preview__spinner::after { animation: none; } }

.qr-download { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; margin: .75rem 0 .35rem; }
.qr-controls { display: flex; flex-direction: column; }

.colorpair { display: flex; gap: .5rem; align-items: center; }
.colorpair input[type="text"] { flex: 1; }

.swatches { display: flex; gap: .5rem; flex-wrap: wrap; }
.swatch {
    width: 34px; height: 34px; border-radius: 8px; cursor: pointer; padding: 0;
    border: 1px solid var(--border-strong);
    background: linear-gradient(135deg, var(--fg) 0 50%, var(--bg) 50% 100%);
}
.swatch:hover { transform: scale(1.06); }

.logo-current { display: flex; gap: 1rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.logo-current__img {
    width: 64px; height: 64px; object-fit: contain; background: var(--bg);
    border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .35rem;
}
.logo-current__meta { display: flex; flex-direction: column; gap: .4rem; align-items: flex-start; }

@media (max-width: 640px) {
    .topbar__inner { padding-block: .6rem; }
    .logout__user { display: none; }
    .actions { justify-content: flex-start; }
    .page-head { flex-direction: column; align-items: stretch; }
}