:root { --bg: oklch(1 0 0); --surface: oklch(.975 .006 36); --ink: oklch(.22 .02 36); --muted: oklch(.48 .03 36); --primary: oklch(.495 .134 36); --primary-dark: oklch(.39 .11 36); --accent: oklch(.35 .07 245); --line: oklch(.88 .015 36); --success: oklch(.42 .11 150); --danger: oklch(.48 .17 25); color: var(--ink); background: var(--bg); font-family: "Noto Sans Thai", "Leelawadee UI", system-ui, sans-serif; font-synthesis: none; }
* { box-sizing: border-box; } body { margin: 0; min-width: 320px; } button, input { font: inherit; } button { cursor: pointer; }
.app-shell { max-width: 1200px; margin: 0 auto; padding: 48px 28px 72px; }.masthead { display: flex; justify-content: space-between; gap: 32px; align-items: start; padding-bottom: 38px; border-bottom: 1px solid var(--line); }.brand { margin: 0 0 10px; color: var(--primary); font-size: .78rem; font-weight: 800; letter-spacing: .13em; } h1, h2, p { margin-top: 0; } h1 { margin-bottom: 10px; font-size: 2rem; line-height: 1.2; letter-spacing: -.03em; text-wrap: balance; } h2 { margin-bottom: 6px; font-size: 1.12rem; }.intro, .week-label, .calendar-hint, .results > div > p, .selection-status span { color: var(--muted); }.intro { margin-bottom: 0; max-width: 50ch; }.today { min-width: 145px; padding: 14px 16px; color: var(--accent); background: oklch(.96 .025 245); border-radius: 10px; }.today span { display: block; margin-bottom: 4px; font-size: .78rem; font-weight: 700; }.today strong { font-size: .92rem; }
.booking-bar { margin: 32px 0 42px; padding: 18px 20px; background: var(--surface); border-radius: 12px; }.booking-bar form { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(180px, 1fr); align-items: end; gap: 14px; }label { display: grid; gap: 7px; font-size: .88rem; font-weight: 750; } label span { color: var(--muted); font-weight: 500; } input { width: 100%; min-height: 42px; padding: 10px 12px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; outline: none; } input::placeholder { color: var(--muted); opacity: 1; } input:focus-visible { border-color: var(--primary); box-shadow: 0 0 0 3px oklch(.495 .134 36 / .18); }.selection-status { min-width: 130px; padding-bottom: 2px; font-size: .86rem; }.selection-status strong, .selection-status span { display: block; }.selection-status span { margin-top: 2px; font-size: .78rem; } button { min-height: 42px; padding: 10px 16px; border: 0; border-radius: 8px; color: oklch(1 0 0); background: var(--primary); font-weight: 800; transition: background 180ms ease, transform 180ms ease; } button:hover { background: var(--primary-dark); } button:active { transform: translateY(1px); } button:focus-visible { outline: 3px solid oklch(.495 .134 36 / .35); outline-offset: 2px; }.form-message { min-height: 1.4em; margin: 10px 0 0; font-size: .88rem; font-weight: 650; }.form-message.error { color: var(--danger); }.form-message.success { color: var(--success); }
.calendar-section { padding: 26px; background: oklch(.995 .003 36); border: 1px solid var(--line); border-radius: 14px; }.calendar-head { display: flex; justify-content: space-between; gap: 20px; align-items: start; }.week-label { margin-bottom: 0; }.calendar-controls { display: flex; gap: 7px; flex-wrap: wrap; justify-content: end; }.quiet-button { min-height: 36px; padding: 7px 10px; color: var(--accent); background: var(--bg); border: 1px solid var(--line); }.quiet-button:hover { color: var(--bg); background: var(--accent); }.calendar-hint { margin: 22px 0 12px; font-size: .88rem; }.calendar { display: grid; grid-template-columns: 78px repeat(7, minmax(88px, 1fr)); overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 10px 30px oklch(.22 .02 36 / .05); }.calendar > * { min-width: 88px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.calendar > :nth-child(8n) { border-right: 0; }.calendar > :nth-last-child(-n + 8) { border-bottom: 0; }.calendar-corner, .day-header, .time-label { padding: 11px 9px; background: var(--surface); }.calendar-corner, .time-label { min-width: 78px; color: var(--muted); font-size: .78rem; font-weight: 700; }.day-header strong, .day-header span { display: block; }.day-header strong { font-size: .82rem; }.day-header span { margin-top: 2px; color: var(--muted); font-size: .78rem; }.day-header.is-today { color: var(--primary); background: oklch(.96 .025 36); }.calendar-cell { position: relative; display: grid; min-height: 72px; padding: 9px; align-content: center; color: var(--muted); background: var(--bg); border-radius: 0; font-size: .76rem; font-weight: 600; text-align: left; }.calendar-cell:hover { background: oklch(.96 .02 36); }.calendar-cell > strong, .calendar-cell > span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.calendar-cell > span { margin-top: 2px; font-weight: 500; }.calendar-cell.has-bookings { color: var(--accent); background: oklch(.96 .025 245); }.calendar-cell.is-selected { color: oklch(1 0 0); background: var(--primary); box-shadow: inset 0 0 0 2px oklch(1 0 0 / .35); }.calendar-cell.is-selected:hover { background: var(--primary-dark); }
.results { display: grid; grid-template-columns: 190px 1fr; gap: 32px; padding-top: 42px; }.results > div > p { margin-bottom: 0; font-size: .87rem; }.summary { display: flex; flex-wrap: wrap; align-content: start; gap: 9px; }.summary-item { min-width: 150px; padding: 11px 12px; color: var(--accent); background: oklch(.96 .025 245); border-radius: 9px; font-size: .84rem; }.summary-item strong, .summary-item span { display: block; }.summary-item span { margin-top: 2px; }.empty-summary { margin: 0; color: var(--muted); font-size: .9rem; }
@media (max-width: 820px) { .app-shell { padding: 28px 20px 48px; }.masthead, .calendar-head { display: block; }.today { display: inline-block; margin-top: 24px; }.booking-bar form > button { grid-column: 1 / -1; }.selection-status { grid-column: 1 / -1; }.calendar-controls { justify-content: start; margin-top: 20px; }.results { grid-template-columns: 1fr; gap: 16px; } }
@media (max-width: 500px) { .booking-bar form { grid-template-columns: 1fr; }.booking-bar form > button, .selection-status { grid-column: auto; }.calendar { grid-template-columns: 66px repeat(7, minmax(86px, 1fr)); }.calendar-corner, .time-label { min-width: 66px; }.calendar-controls { gap: 5px; }.quiet-button { padding: 7px 8px; font-size: .77rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }