/**
 * Freie Webtools
 * Datei: assets/css/generator-kit.css
 * Zweck: Gemeinsames Aussehen der Baustein-Generatoren
 *        (Bildergalerie, Navbar, Header, Footer)
 *
 * Stand: 2026-10-09
 *
 * Aufbau: links die Einstellungen, rechts Vorschau und Code.
 * Auf schmalen Bildschirmen steht alles untereinander.
 * Alle Farben kommen aus den FWT-Tokens.
 */

.gk-layout {
    display: grid;
    grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

/* ---------- Linke Seite: Einstellungen ---------- */

.gk-controls {
    padding: 1.25rem;
    border: 1px solid var(--fwt-color-border);
    border-radius: var(--fwt-radius-xl);
    background: var(--fwt-color-surface);
}

.gk-controls__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.gk-controls__head h2 {
    margin: 0;
    font-size: 1.15rem;
}

.gk-group {
    margin: 0 0 1rem;
    padding: 0;
    border: 0;
    min-width: 0;
}

.gk-group > legend {
    padding: 0;
    margin-bottom: 0.5rem;
    font-size: var(--fwt-font-size-sm);
    font-weight: var(--fwt-font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fwt-color-text-muted);
}

.gk-field {
    display: grid;
    gap: 0.3rem;
    margin-bottom: 0.85rem;
}

.gk-field > label,
.gk-field > .gk-label {
    font-weight: var(--fwt-font-weight-semibold);
    font-size: var(--fwt-font-size-sm);
}

.gk-field input[type="text"],
.gk-field input[type="url"],
.gk-field select,
.gk-field textarea {
    width: 100%;
    min-width: 0;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--fwt-color-border-strong);
    border-radius: var(--fwt-radius-md);
    background: var(--fwt-color-surface);
    color: var(--fwt-color-text);
    font: inherit;
    font-size: var(--fwt-font-size-sm);
}

.gk-field textarea {
    min-height: 7.5rem;
    resize: vertical;
    font-family: var(--fwt-font-mono);
    line-height: 1.5;
}

.gk-field input:focus-visible,
.gk-field select:focus-visible,
.gk-field textarea:focus-visible,
.gk-btn:focus-visible,
.gk-tab:focus-visible {
    outline: 3px solid var(--fwt-color-accent);
    outline-offset: 2px;
}

.gk-field input[type="range"] {
    width: 100%;
    accent-color: var(--fwt-color-primary);
}

.gk-field input[type="color"] {
    width: 100%;
    height: 2.5rem;
    padding: 0.15rem;
    border: 1px solid var(--fwt-color-border-strong);
    border-radius: var(--fwt-radius-md);
    background: var(--fwt-color-surface);
    cursor: pointer;
}

.gk-field__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.gk-field__out {
    font-variant-numeric: tabular-nums;
    color: var(--fwt-color-text-muted);
    font-size: var(--fwt-font-size-sm);
}

.gk-field__hint {
    margin: 0;
    font-size: var(--fwt-font-size-xs);
    color: var(--fwt-color-text-soft);
}

.gk-check {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: var(--fwt-font-size-sm);
    cursor: pointer;
}

.gk-check input {
    flex: none;
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.15rem;
    accent-color: var(--fwt-color-primary);
}

.gk-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(6rem, 1fr));
    gap: 0.75rem;
}

/* ---------- Rechte Seite: Vorschau + Code ---------- */

.gk-output {
    display: grid;
    gap: 1.25rem;
    min-width: 0;
}

.gk-card {
    min-width: 0;
    border: 1px solid var(--fwt-color-border);
    border-radius: var(--fwt-radius-xl);
    background: var(--fwt-color-surface);
    overflow: hidden;
}

.gk-card__bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border-bottom: 1px solid var(--fwt-color-border);
    background: var(--fwt-color-surface-soft);
}

.gk-card__bar h2 {
    margin: 0;
    font-size: 1rem;
}

.gk-sizes {
    display: flex;
    gap: 0.35rem;
}

/* Vorschau-Fläche: Karomuster zeigt, dass der Rest durchsichtig ist */
.gk-stage {
    padding: 0.75rem;
    background: var(--fwt-color-surface-muted);
}

/* Die Vorschau wird in ECHTER Breite (z. B. 1280 px) gerendert und nur optisch
   verkleinert. So zeigt sie wirklich die Desktop-Ansicht, auch wenn die Spalte schmal ist.
   Die Größen setzt generator-kit.js (Funktion layoutFrame). */
.gk-frame-wrap {
    position: relative;
    width: 100%;
    height: 32rem;
    overflow: hidden;
}

.gk-frame {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 1280px;
    max-width: none;
    height: 32rem;
    border: 1px solid var(--fwt-color-border-strong);
    border-radius: var(--fwt-radius-md);
    background: #fff;     /* Vorschau-Seite ist bewusst immer weiß */
    transform-origin: top left;
}
.gk-warn {
    margin: 0;
    padding: 0.6rem 0.9rem;
    border-top: 1px solid var(--fwt-color-warning-border);
    background: var(--fwt-color-warning-soft);
    color: var(--fwt-color-text);
    font-size: var(--fwt-font-size-sm);
}

.gk-warn p { margin: 0; }
.gk-warn p + p { margin-top: 0.3rem; }

/* Code-Tabs */
.gk-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem 0;
    border-bottom: 1px solid var(--fwt-color-border);
    background: var(--fwt-color-surface-soft);
}

.gk-tab {
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-bottom: 0;
    border-radius: var(--fwt-radius-md) var(--fwt-radius-md) 0 0;
    background: transparent;
    color: var(--fwt-color-text-muted);
    font: inherit;
    font-weight: var(--fwt-font-weight-semibold);
    cursor: pointer;
}

.gk-tab[aria-selected="true"] {
    border-color: var(--fwt-color-border);
    background: var(--fwt-color-surface);
    color: var(--fwt-color-primary-hover);
    margin-bottom: -1px;
}

.gk-tab[hidden] { display: none; }

.gk-panel {
    padding: 0.75rem;
}

.gk-panel[hidden] { display: none; }

.gk-panel__bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.gk-code {
    margin: 0;
    max-height: 26rem;
    padding: 0.9rem;
    overflow: auto;
    border-radius: var(--fwt-radius-md);
    background: var(--fwt-color-surface-dark);
    color: var(--fwt-color-text-inverted);
    font-family: var(--fwt-font-mono);
    font-size: 0.82rem;
    line-height: 1.55;
    tab-size: 4;
    white-space: pre;
}

/* ---------- Knöpfe ---------- */

.gk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.4rem 0.95rem;
    border: 1px solid var(--fwt-color-border-strong);
    border-radius: var(--fwt-radius-pill);
    background: var(--fwt-color-surface);
    color: var(--fwt-color-text);
    font: inherit;
    font-size: var(--fwt-font-size-sm);
    font-weight: var(--fwt-font-weight-semibold);
    cursor: pointer;
}

.gk-btn:hover { border-color: var(--fwt-color-primary); }

.gk-btn--primary {
    border-color: var(--fwt-color-primary);
    background: var(--fwt-color-primary);
    color: var(--fwt-color-text-inverted);
}

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

.gk-btn--small {
    min-height: 2.1rem;
    padding: 0.2rem 0.7rem;
}

.gk-btn[aria-pressed="true"] {
    border-color: var(--fwt-color-primary);
    background: var(--fwt-color-primary-soft);
    color: var(--fwt-color-primary-hover);
}

/* ---------- Hinweiskasten unter dem Titel ---------- */

.gk-note {
    max-width: 48rem;
    margin: 1rem 0 0;
    padding: 0.8rem 1rem;
    border-left: 4px solid var(--fwt-color-primary);
    border-radius: var(--fwt-radius-md);
    background: var(--fwt-color-primary-soft);
    font-size: var(--fwt-font-size-sm);
}

/* ---------- Schmale Bildschirme ---------- */

@media (max-width: 62rem) {
    .gk-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .gk-frame-wrap {
        height: 26rem;
    }
}


/* ---------- Breite Variante: Einstellungen oben, Ausgabe darunter ---------- */

.gk-layout--stacked {
    grid-template-columns: minmax(0, 1fr);
}

/* Die Einstellungsgruppen stehen nebeneinander und brechen selbst um */
.gk-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
    gap: 0 1.5rem;
    align-items: start;
}