/*
 * Layouts → Login tab styles.
 *
 * Presentation only. The tab is one kit `.card` (header = Reset secondary + Save
 * primary) with a two-pane body: a left editor stack (Theme → Login logo →
 * Colors → Copy, separated by calm hairline dividers and uppercase eyebrow
 * headers) and a right sticky live-preview rail (segmented mode switcher +
 * a framed auth-page iframe). Token-driven so it reads on the light content
 * zone and matches the Branding / Banner-Library panels. Gold stays reserved
 * for the primary Save action + focus rings only — every other control is quiet.
 */

/* ── Two-pane shell ──────────────────────────────────────────────────────── */
.main .layouts-login__body {
    padding: 0;
}

.main .layouts-login__editor {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
    min-height: 720px;
}

.main .layouts-login__stack {
    display: grid;
    gap: 0;
    padding: var(--space-lg);
    border-right: 1px solid var(--color-border);
}

/* ── Section rhythm — calm dividers + uppercase eyebrow headers ───────────── */
.main .layouts-login__section {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
}

.main .layouts-login__section:first-child {
    padding-top: 0;
    border-top: 0;
}

.main .layouts-login__section:last-child {
    padding-bottom: 0;
}

.main .layouts-login__section-title {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.main .layouts-login__hint {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

/* ── Colors — one tidy framed control per slot, 2-col grid ────────────────── */
.main .layouts-login__colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}

.main .layouts-login__color-row {
    display: grid;
    gap: 6px;
}

.main .layouts-login__color-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.main .layouts-login__color-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
}

.main .layouts-login__reset-color.btn--icon {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    min-height: 0;
    padding: 0;
    color: var(--color-text-muted);
}

.main .layouts-login__reset-color.btn--icon svg {
    width: 14px;
    height: 14px;
}

/* swatch + hex read as a single control: the wrapper carries the frame */
.main .layouts-login__color-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--surface-raised);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.main .layouts-login__color-control:focus-within {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.main .layouts-login__color-input {
    flex: 0 0 auto;
    width: 28px;
    min-width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
}

.main .layouts-login__color-input::-webkit-color-swatch-wrapper { padding: 0; }
.main .layouts-login__color-input::-webkit-color-swatch { border: 0; border-radius: 3px; }
.main .layouts-login__color-input::-moz-color-swatch { border: 0; border-radius: 3px; }

/* Inherited (empty) slots recede; an overridden slot keeps a vivid swatch — the
 * color-block parallel to the Copy "Custom" marker. CSS-only (empty = hex shows
 * its placeholder), so it changes no behavior. */
.main .layouts-login__color-control:has(.layouts-login__hex-input:placeholder-shown) {
    background: var(--surface-sunken);
}

.main .layouts-login__color-control:has(.layouts-login__hex-input:placeholder-shown) .layouts-login__color-input {
    opacity: 0.4;
}

.main .layouts-login__hex-input {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    height: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: var(--text-sm);
    text-transform: lowercase;
}

.main .layouts-login__hex-input:focus {
    outline: 0;
    box-shadow: none;
}

/* ── Copy — grouped subsections, balanced multi-column grid ───────────────── */
.main .layouts-login__hide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-sm);
}

.main .layouts-login__hide-row {
    display: grid;
    gap: 4px;
    min-height: 52px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--surface-raised);
}

.main .layouts-login__hide-row .toggle {
    min-height: 28px;
}

.main .layouts-login__hide-row .toggle__text {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
}

.main .layouts-login__hide-row .field__hint {
    margin-left: 44px;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    line-height: 1.35;
}

.main .layouts-login__copy-section {
    display: grid;
    gap: var(--space-sm);
    padding-top: var(--space-md);
}

.main .layouts-login__copy-section + .layouts-login__copy-section {
    margin-top: var(--space-sm);
    border-top: 1px solid var(--hairline);
}

.main .layouts-login__copy-section > .layouts-login__section-title {
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
}

.main .layouts-login__copy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

/* The placeholder IS the built-in default — make it read as a default value. */
.main .layouts-login__copy-grid .input::placeholder {
    color: var(--color-text-muted);
    font-style: italic;
    opacity: 1;
}

/* Quiet "overrides the default" affordance — purely CSS (filled = placeholder
 * no longer shown). Never gold; gold stays reserved for Save + focus. */
.main .layouts-login__copy-grid .field:has(.input:not(:placeholder-shown)) .input {
    border-color: var(--color-text-secondary);
}

.main .layouts-login__copy-grid .field:has(.input:not(:placeholder-shown)) .field__label::after {
    content: "Custom";
    margin-left: var(--space-sm);
    padding: 1px 6px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--surface-sunken);
    color: var(--color-text-secondary);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Live preview rail ───────────────────────────────────────────────────── */
.main .layouts-login__preview-card {
    position: sticky;
    top: calc(-1 * var(--space-xl));
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: var(--space-base);
    padding: var(--space-lg);
    background: var(--surface-raised);
}

.main .layouts-login__preview-head {
    display: grid;
    gap: var(--space-md);
}

.main .layouts-login__preview-titles h3 {
    margin: 0;
    color: var(--color-text);
    font-size: 1rem;
}

.main .layouts-login__preview-titles p {
    margin: 4px 0 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

/* Segmented mode switcher — reuses the kit .subnav__tab buttons inside a
 * sunken rounded track (a proper segmented control; the active chip is a raised
 * ink-text segment, no gold). */
.main .layouts-login__modes {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 2px;
    margin: 0;
    padding: 3px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--surface-sunken);
}

.main .layouts-login__mode.subnav__tab {
    margin: 0;
    padding: 6px 14px;
    border: 0;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.main .layouts-login__mode.subnav__tab:hover {
    color: var(--color-text);
}

.main .layouts-login__mode.subnav__tab[aria-selected="true"] {
    background: var(--surface-raised);
    border-bottom-color: transparent;
    box-shadow: var(--shadow-sm);
    color: var(--color-text);
    font-weight: 600;
}

.main .layouts-login__mode.subnav__tab:focus-visible {
    outline: 0;
    box-shadow: var(--shadow-glow);
}

/* Elevated iframe frame — a tidy bordered surface holding the auth page. */
.main .layouts-login__frame {
    display: flex;
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--surface-sunken);
    box-shadow: var(--shadow-sm);
}

.main .layouts-login__iframe {
    width: 100%;
    height: clamp(520px, calc(100vh - 240px), 860px);
    border: 0;
    border-radius: var(--radius-md);
    background: var(--color-text);
    box-shadow: var(--shadow-sm);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
    .main .layouts-login__editor {
        grid-template-columns: 1fr;
    }

    .main .layouts-login__stack {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .main .layouts-login__preview-card {
        position: static;
    }

    .main .layouts-login__iframe {
        height: 64vh;
        min-height: 480px;
    }
}

@media (max-width: 720px) {
    .main .layouts-login__stack,
    .main .layouts-login__preview-card {
        padding: var(--space-md);
    }

    .main .layouts-login__colors,
    .main .layouts-login__hide-grid,
    .main .layouts-login__copy-grid {
        grid-template-columns: 1fr;
    }

    .main .layouts-login__modes {
        display: flex;
    }

    .main .layouts-login__mode.subnav__tab {
        flex: 1 1 auto;
        text-align: center;
    }
}