/* ============================================================
   Kitchen Workspace V3 — elegant-till layout
   Tokens from design-system.css only.
   ============================================================ */

.kv3-shell {
    display: flex;
    height: 100%;
    min-height: 0;
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font-sans);
}

.kv3-shell__sidebar {
    display: none;
    width: 240px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .kv3-shell__sidebar {
        display: block;
    }
}

.kv3-shell__main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.kv3-shell__content {
    display: flex;
    min-height: 0;
    flex: 1;
}

.kv3-shell__queue {
    min-width: 0;
    flex: 1;
    overflow-y: auto;
}

.kv3-shell__detail {
    display: none;
    width: 360px;
    flex-shrink: 0;
}

@media (min-width: 1200px) {
    .kv3-shell__detail {
        display: block;
    }
}

.kv3-state {
    display: grid;
    place-items: center;
    height: 100%;
    min-height: 16rem;
    background: var(--canvas);
}

/* ---- Sidebar ---- */
.kv3-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    border-right: 1px solid var(--hairline);
    background: var(--panel);
}

.kv3-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--hairline);
}

.kv3-sidebar__mark {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: var(--ink);
    color: var(--canvas);
    font-family: var(--font-display);
    font-size: 1rem;
}

.kv3-sidebar__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    line-height: 1;
}

.kv3-sidebar__subtitle {
    margin-top: 0.15rem;
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.kv3-sidebar__section {
    padding: 1rem 0.75rem;
}

.kv3-sidebar__section-label {
    margin: 0 0.5rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.kv3-filters {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.kv3-filters__btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 0;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--ink-soft);
    text-align: left;
    cursor: pointer;
    font-size: 0.875rem;
}

.kv3-filters__btn:hover {
    background: var(--muted-bg);
}

.kv3-filters__btn--active {
    background: var(--ink);
    color: var(--canvas);
}

.kv3-filters__icon {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: currentColor;
    opacity: 0.7;
}

.kv3-filters__icon--waiting { color: var(--status-kitchen-ink); }
.kv3-filters__icon--cooking { color: var(--status-occupied-ink); }
.kv3-filters__icon--ready { color: var(--status-available-ink); }
.kv3-filters__icon--served { color: var(--status-served-ink); }
.kv3-filters__btn--active .kv3-filters__icon { color: var(--canvas); }

.kv3-filters__label {
    flex: 1;
    font-weight: 500;
}

.kv3-filters__count {
    min-width: 1.5rem;
    padding: 0.1rem 0.4rem;
    border-radius: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    text-align: center;
    background: var(--muted-bg);
    color: var(--ink-soft);
}

.kv3-filters__btn--active .kv3-filters__count {
    background: color-mix(in oklch, var(--canvas) 18%, transparent);
    color: var(--canvas);
}

.kv3-sidebar__footer {
    margin-top: auto;
    padding: 0.75rem;
    border-top: 1px solid var(--hairline);
}

.kv3-sidebar__cashier {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--hairline);
    border-radius: 0.5rem;
    background: var(--canvas);
    color: var(--ink-soft);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
}

.kv3-sidebar__cashier:hover {
    border-color: var(--ink-mute);
}

.kv3-sidebar__live {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
    padding: 0 0.25rem;
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-pulse {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 999px;
    background: var(--primary);
    animation: kv3-pulse 1.6s ease-in-out infinite;
}

@keyframes kv3-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.45; transform: scale(0.85); }
}

/* ---- Summary ---- */
.kv3-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.5rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--hairline);
    background: var(--panel);
}

@media (min-width: 640px) {
    .kv3-summary {
        grid-template-columns: repeat(6, minmax(0, 1fr));
        align-items: end;
    }
}

.kv3-summary__label {
    display: block;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.kv3-summary__value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1.15;
    font-variant-numeric: tabular-nums;
}

.kv3-summary__hint {
    display: block;
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-summary__actions {
    display: flex;
    align-items: flex-end;
}

.kv3-summary__refresh {
    height: 2.25rem;
    padding: 0 0.9rem;
    border: 1px solid var(--hairline);
    border-radius: 0.5rem;
    background: var(--canvas);
    color: var(--ink);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

.kv3-summary__refresh:disabled {
    opacity: 0.6;
    cursor: default;
}

/* ---- Mobile filters ---- */
.kv3-mobile-filters {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--hairline);
    background: var(--panel);
}

@media (min-width: 768px) {
    .kv3-mobile-filters {
        display: none;
    }
}

.kv3-mobile-filters__btn {
    flex-shrink: 0;
    padding: 0.4rem 0.75rem;
    border: 0;
    border-radius: 0.4rem;
    background: var(--muted-bg);
    color: var(--ink-soft);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
    cursor: pointer;
}

.kv3-mobile-filters__btn--active {
    background: var(--ink);
    color: var(--canvas);
}

/* ---- Board ---- */
.kv3-board {
    padding: 1.25rem;
}

.kv3-board__group + .kv3-board__group {
    margin-top: 1.5rem;
}

.kv3-board__group-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.kv3-board__group-title {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.kv3-board__group-count {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-board__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 1280px) {
    .kv3-board__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.kv3-board__empty {
    display: grid;
    place-items: center;
    min-height: 16rem;
    text-align: center;
}

.kv3-board__empty-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
}

.kv3-board__empty-text {
    margin-top: 0.35rem;
    font-size: 0.875rem;
    color: var(--ink-mute);
}

/* ---- Card ---- */
.kv3-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--hairline);
    border-radius: 1rem;
    background: var(--panel);
    box-shadow: var(--shadow-panel, 0 1px 2px rgb(0 0 0 / 0.04));
    cursor: pointer;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.kv3-card:hover {
    box-shadow: var(--shadow-raise, 0 8px 24px rgb(0 0 0 / 0.08));
}

.kv3-card--selected {
    border-color: var(--primary);
    background: color-mix(in oklch, var(--primary) 8%, var(--panel));
    box-shadow:
        0 10px 28px rgb(0 0 0 / 0.12),
        0 0 0 1px color-mix(in oklch, var(--primary) 40%, transparent);
}

.kv3-card--selected.kv3-card--warning,
.kv3-card--selected.kv3-card--critical {
    border-color: var(--primary);
}

.kv3-card__bar {
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: color-mix(in oklch, var(--status-served-ink) 35%, transparent);
}

.kv3-card--warning .kv3-card__bar { background: var(--status-occupied-ink); }
.kv3-card--critical .kv3-card__bar { background: var(--status-pay-ink); }
.kv3-card--warning { border-color: color-mix(in oklch, var(--status-occupied-ink) 30%, var(--hairline)); }
.kv3-card--critical { border-color: color-mix(in oklch, var(--status-pay-ink) 40%, var(--hairline)); }

.kv3-card__body {
    padding: 1.15rem 1.15rem 1.15rem 1.35rem;
}

.kv3-card__header,
.kv3-detail__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.kv3-card__identity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.kv3-card__badge {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    border-radius: 0.75rem;
    background: var(--ink);
    color: var(--canvas);
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1;
}

.kv3-card__primary {
    font-family: var(--font-display);
    font-size: 1.35rem;
    line-height: 1.1;
    color: var(--ink);
}

.kv3-card__title-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.kv3-card__meta {
    margin-top: 0.3rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink-soft);
}

.kv3-card__id {
    margin-top: 0.2rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.02em;
    color: var(--ink-mute);
    opacity: 0.85;
}

.kv3-card__status-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}

.kv3-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 600;
}

.kv3-pill__dot {
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 999px;
    background: currentColor;
    animation: kv3-pulse 1.6s ease-in-out infinite;
}

.kv3-pill--waiting { background: var(--status-kitchen); color: var(--status-kitchen-ink); }
.kv3-pill--cooking { background: var(--status-occupied); color: var(--status-occupied-ink); }
.kv3-pill--ready { background: var(--status-available); color: var(--status-available-ink); }
.kv3-pill--served { background: var(--status-served); color: var(--status-served-ink); }
.kv3-pill--served .kv3-pill__dot { animation: none; }

.kv3-priority {
    display: inline-flex;
    padding: 0.15rem 0.5rem;
    border-radius: 0.35rem;
    font-size: 0.6875rem;
    font-weight: 600;
}

.kv3-priority--normal { background: var(--status-served); color: var(--status-served-ink); }
.kv3-priority--warning { background: var(--status-occupied); color: var(--status-occupied-ink); }
.kv3-priority--critical { background: var(--status-pay); color: var(--status-pay-ink); }

.kv3-items {
    list-style: none;
    margin: 0.85rem 0 0;
    padding: 0;
}

.kv3-items__row {
    display: flex;
    gap: 0.75rem;
    padding: 0.45rem 0;
    border-top: 1px solid var(--hairline);
}

.kv3-items__qty {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.75rem;
    height: 1.75rem;
    padding: 0 0.4rem;
    border-radius: 0.4rem;
    background: var(--muted-bg);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
}

.kv3-items__name {
    font-size: 0.9375rem;
    font-weight: 500;
}

.kv3-items__note {
    margin-top: 0.15rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--status-pay-ink);
}

.kv3-card__footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.15rem 0.75rem 1.35rem;
    border-top: 1px solid var(--hairline);
    background: color-mix(in oklch, var(--canvas) 70%, var(--panel));
}

.kv3-card__footer-meta {
    flex: 1;
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 9.5rem;
    height: 2.75rem;
    padding: 0 1rem;
    border: 0;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--canvas);
}

.kv3-cta--lg {
    width: 100%;
    height: 3.5rem;
    font-size: 1rem;
}

.kv3-cta--waiting { background: var(--status-occupied-ink); }
.kv3-cta--cooking { background: var(--status-available-ink); }
.kv3-cta--ready { background: var(--ink); }
.kv3-cta--served { background: var(--muted-bg); color: var(--ink-mute); cursor: default; }

.kv3-cta:disabled {
    opacity: 0.7;
    cursor: default;
}

.kv3-cta--busy {
    opacity: 0.75;
}

/* ---- Detail panel ---- */
.kv3-detail {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    border-left: 1px solid var(--hairline);
    background: var(--panel);
}

.kv3-detail__empty {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 2rem;
    text-align: center;
}

.kv3-detail__empty-icon {
    display: grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto;
    border-radius: 1rem;
    background: var(--muted-bg);
    color: var(--ink-mute);
    font-size: 1.25rem;
}

.kv3-detail__empty-title {
    margin-top: 1rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.kv3-detail__empty-text {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--ink-mute);
}

.kv3-detail__header {
    padding: 1.15rem;
    border-bottom: 1px solid var(--hairline);
}

.kv3-detail__scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.kv3-detail__section {
    padding: 1.15rem;
    border-bottom: 1px solid var(--hairline);
}

.kv3-detail__section-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.65rem;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.kv3-detail__note {
    margin: 0 0 0.4rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid color-mix(in oklch, var(--status-pay-ink) 20%, var(--hairline));
    border-radius: 0.5rem;
    background: color-mix(in oklch, var(--status-pay) 70%, var(--panel));
    color: var(--status-pay-ink);
    font-size: 0.8125rem;
    font-weight: 500;
}

.kv3-history {
    list-style: none;
    margin: 0;
    padding: 0 0 0 1.1rem;
    position: relative;
}

.kv3-history::before {
    content: "";
    position: absolute;
    left: 0.5rem;
    top: 0.25rem;
    bottom: 0.25rem;
    width: 1px;
    background: var(--hairline);
}

.kv3-history__item {
    position: relative;
    display: flex;
    gap: 0.75rem;
    padding: 0.35rem 0;
}

.kv3-history__dot {
    position: absolute;
    left: -1.1rem;
    top: 0.45rem;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--hairline);
    background: var(--panel);
}

.kv3-history__item:last-child .kv3-history__dot {
    border-color: var(--ink);
    background: var(--ink);
}

.kv3-history__label {
    font-size: 0.8125rem;
    font-weight: 500;
}

.kv3-history__when {
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-detail__footer {
    padding: 1rem;
    border-top: 1px solid var(--hairline);
    background: color-mix(in oklch, var(--canvas) 70%, var(--panel));
}

.kv3-detail__footer-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.kv3-detail__queue-time {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

.kv3-detail__done {
    margin-top: 0.5rem;
    font-size: 0.6875rem;
    color: var(--ink-mute);
}

/* ---- Page shell ---- */
.kitchen-page-v3 {
    height: 100%;
    min-height: 0;
    overflow: hidden;
}