/* ==========================================================================
   SLASH PAGES: /contact, /book, /now, /uses, /colophon, /changelog, /ai
   Layout comes from about.css (.about-page, .page-hero, .section-head);
   this file adds the shared bits and the /book picker. Native scroll,
   no motion of their own (docs/motion-zen.md section 6a).
   ========================================================================== */

/* Section spacing comes from about.css (.about-page > section), the same
   rhythm as About and Resume; no extra top margin here. */

.slash-page .page-hero .talk-chip {
    margin-top: var(--space-5);
}

.slash-note {
    margin: var(--space-5) 0 0;
    color: var(--ink-hand);
}

.slash-note .ink--loop-arrow {
    color: var(--doodle-line);
    vertical-align: -0.6em;
    rotate: 18deg;
}

.slash-updated {
    margin: var(--space-4) 0 0;
    font-size: 0.8125rem;
    color: var(--theme-text-tertiary);
}

.slash-more {
    margin: var(--space-4) 0 0;
    font-size: 0.8125rem;
}

.slash-facts {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
}

.slash-facts > div {
    display: grid;
    grid-template-columns: 9rem 1fr;
    gap: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px dashed var(--sf-border);
}

.slash-facts dt {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sf-accent);
    padding-top: 0.2em;
}

.slash-facts dd {
    margin: 0;
    line-height: 1.6;
}

.slash-list {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
    padding: 0;
    list-style: none;
    max-width: 70ch;
    line-height: 1.6;
}

.slash-list .ink--check {
    color: var(--doodle-line);
    margin-right: 4px;
}

.slash-page .commit-field,
.slash-page .skill-lanes,
.slash-page .rack,
.slash-page .change-feed {
    margin-top: var(--space-4);
}

@media (max-width: 599.98px) {
    .slash-facts > div {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

/* ---- /book ----------------------------------------------------------- */
.book {
    max-width: 760px;
}

.book-off {
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    border: 1px solid var(--sf-border);
    border-radius: 18px;
    background: var(--sf-pill);
    box-shadow: var(--sf-pill-shadow);
}

.book-off-lead {
    margin: 0;
    line-height: 1.6;
}

.slot-field {
    margin: 0 0 var(--space-6);
    padding: 0;
    border: 0;
    min-width: 0;
}

.slot-field legend {
    margin-bottom: var(--space-3);
}

/* Days: phones swipe one row sideways (snapping per day); tablet and up
   show the two weeks as two rows of seven. Times: a grid of thumb-sized
   pills. */
.slot-days {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    margin-inline: calc(-1 * var(--page-gutter, 16px));
    padding: 2px var(--page-gutter, 16px) 6px;
}

.slot-days::-webkit-scrollbar {
    display: none;
}

.slot-days .day-pill {
    scroll-snap-align: start;
    flex: none;
}

@media (min-width: 600px) {
    .slot-days {
        display: grid;
        grid-template-columns: repeat(7, minmax(0, 1fr));
        overflow: visible;
        margin-inline: 0;
        padding: 0;
    }

    .slot-days .day-pill {
        min-width: 0;
    }
}

.slot-times {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 8px;
}

.slot-days input,
.slot-times input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.day-pill,
.slot-pill {
    --pick-h: 48px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 2px;
    min-height: var(--pick-h);
    padding: 8px 12px;
    border: 1px solid var(--sf-border);
    border-radius: 14px;
    background: var(--sf-pill);
    color: var(--sf-text);
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition:
        background-color 180ms var(--ease-snap),
        border-color 180ms var(--ease-snap),
        transform 200ms var(--ease-snap);
}

@media (min-width: 600px) {
    .day-pill,
    .slot-pill {
        --pick-h: 44px;
    }
}

.day-pill {
    min-width: 64px;
}

.day-name,
.day-count,
.slot-ist {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--sf-text-dim);
}

.day-date {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.slot-local {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
    .day-pill:hover,
    .slot-pill:hover {
        background: var(--sf-row-hover);
    }
}

.day-pill:active,
.slot-pill:active {
    transform: scale(0.97);
    transition-duration: 140ms;
}

input:checked + .day-pill,
input:checked + .slot-pill {
    border-color: var(--sf-accent);
    background: var(--sf-row-active);
}

input:focus-visible + .day-pill,
input:focus-visible + .slot-pill {
    outline: 2px solid var(--sf-accent);
    outline-offset: 2px;
}

input:disabled + .day-pill {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.slot-tz {
    margin: 0 0 var(--space-3);
    font-size: 0.8125rem;
    color: var(--sf-text-dim);
}

.slot-empty {
    margin: 0;
    color: var(--sf-text-dim);
}

.book-form {
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    border: 1px solid var(--sf-border);
    border-radius: 18px;
    background: var(--sf-pill);
}

.book-form .hud-label,
.book-picked {
    margin: 0;
}

.book-picked {
    color: var(--sf-accent);
}

.book-label {
    display: grid;
    gap: 6px;
    font-weight: 500;
}

.book-label input,
.book-label textarea {
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid var(--sf-border);
    border-radius: 10px;
    background: var(--theme-bg);
    color: var(--sf-text);
    font: inherit;
}

.book-label input:focus-visible,
.book-label textarea:focus-visible {
    outline: 2px solid var(--sf-accent);
    outline-offset: 1px;
}

/* Error state: the field the message is about. */
.book-label input[aria-invalid="true"] {
    border-color: var(--sf-bad);
}

.book-label input[aria-invalid="true"]:focus-visible {
    outline-color: var(--sf-bad);
}

@media (min-width: 600px) {
    .book-label input {
        min-height: 44px;
    }
}

.book-optional {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--sf-text-dim);
}

/* Honeypot: off screen, never shown, never focused */
.book-trap {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.book-form button[type="submit"] {
    justify-self: start;
}

.book-fine {
    margin: 0;
    font-size: 0.75rem;
    color: var(--sf-text-dim);
}

.book-status {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 1.5em;
    margin: var(--space-3) 0 0;
    color: var(--sf-accent);
}

.book-done,
.book-cancel {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-6);
    border: 1px solid var(--sf-accent);
    border-radius: 18px;
    background: var(--sf-pill);
}

/* Every booking panel sets its own display, which beats the hidden
   attribute, so each one needs its hidden state spelled out. */
.book-off[hidden],
.book-form[hidden],
.book-done[hidden],
.book-cancel[hidden] {
    display: none;
}

.book-done p,
.book-cancel p {
    margin: 0;
}

@media (prefers-reduced-motion: reduce) {
    .day-pill,
    .slot-pill {
        transition: none;
    }

    .day-pill:active,
    .slot-pill:active {
        transform: none;
    }
}