.arb-booking-wrapper{--arb-ink:#1f2933;--arb-muted:#66727f;--arb-border:#d8dde2;--arb-border-soft:#e8ecf0;--arb-surface:#fbfbfa;--arb-panel:#ffffff;--arb-accent:#2c4f66;--arb-accent-soft:#e7f0f5;--arb-success-bg:#eef4ef;--arb-success-border:#cdd9d0;--arb-error-bg:#f7eeee;--arb-error-border:#e5c8c8;width:min(70vw,1480px);max-width:calc(100vw - 32px);margin:clamp(18px,3vw,38px) auto;padding:clamp(20px,2.8vw,34px);border:1px solid var(--arb-border);border-radius:22px;background:linear-gradient(180deg,#fff 0%,var(--arb-surface) 100%);box-shadow:0 20px 48px rgba(15,23,42,.06);box-sizing:border-box;color:var(--arb-ink)}
    .arb-booking-wrapper h3,.arb-booking-wrapper h4{line-height:1.2;color:var(--arb-ink);letter-spacing:-.02em}
    .arb-booking-wrapper h3{margin:0 0 16px 0;font-size:clamp(1.55rem,1.2rem + .9vw,2rem)}
    .arb-booking-wrapper h4{margin:0 0 12px 0}
    .arb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .arb-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;min-width:0}
    .arb-field input,.arb-field select,.arb-field textarea{width:100%;max-width:100%;padding:11px 13px;border:1px solid var(--arb-border);border-radius:12px;box-sizing:border-box;font-size:16px;background:rgba(255,255,255,.94);color:var(--arb-ink);transition:border-color .15s ease, box-shadow .15s ease, background-color .15s ease}
    .arb-field input:focus,.arb-field select:focus,.arb-field textarea:focus{outline:0;border-color:var(--arb-accent);box-shadow:0 0 0 3px rgba(44,79,102,.12);background:#fff}
    .arb-field textarea{min-height:110px;resize:vertical}
    .arb-submit,.arb-filter-button,.arb-calendar-date,.arb-day-nav-link,.arb-day-nav-button,.arb-mobile-switch button{padding:12px 18px;border:0;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;transition:transform .12s ease, box-shadow .12s ease, background-color .12s ease}
    .arb-submit{background:var(--arb-accent);color:#fff;box-shadow:0 10px 20px rgba(44,79,102,.18)}
    .arb-submit:hover,.arb-day-nav-link:hover,.arb-day-nav-button:hover{transform:translateY(-1px)}
.arb-msg{padding:13px 16px;border-radius:14px;margin-bottom:16px}
.arb-msg-success{background:var(--arb-success-bg);border:1px solid var(--arb-success-border)}
.arb-msg-error{background:var(--arb-error-bg);border:1px solid var(--arb-error-border)}
.arb-msg-intro,.arb-msg-detail{margin:0}
.arb-msg-detail{margin-top:10px}
.arb-msg-list{margin:10px 0 0 20px;padding:0}
.arb-msg-list li{margin:0 0 8px 0}
.arb-note{font-size:.95em;color:var(--arb-muted);margin-bottom:18px}
    .arb-room-switch{margin:22px 0 18px 0;padding:14px 16px;border:1px solid var(--arb-border-soft);border-radius:16px;background:rgba(255,255,255,.86);box-shadow:0 8px 22px rgba(15,23,42,.04)}
    .arb-room-switch form{display:flex;flex-wrap:wrap;gap:10px;align-items:end}
    .arb-view-toggle{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 18px 0}
    .arb-view-toggle a{padding:10px 14px;border:1px solid var(--arb-border);border-radius:999px;text-decoration:none;background:rgba(255,255,255,.92);color:var(--arb-ink);font-weight:600}
    .arb-view-toggle a.is-active{background:var(--arb-accent);border-color:var(--arb-accent);color:#fff;box-shadow:0 10px 20px rgba(44,79,102,.14)}
    .arb-calendar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:22px 0}
    .arb-month{border:1px solid var(--arb-border-soft);border-radius:18px;padding:14px;background:var(--arb-panel);min-width:0;box-shadow:0 10px 24px rgba(15,23,42,.04)}
    .arb-month h4{margin:0 0 10px 0;font-size:1rem}
    .arb-month table{width:100%;border-collapse:collapse;table-layout:fixed}
    .arb-month th,.arb-month td{padding:4px;text-align:center;vertical-align:top}
    .arb-month th{font-size:.85em;color:#666}
    .arb-datepicker{background:#fff}
    .ui-datepicker{z-index:99999 !important;background:#fff;border:1px solid #ccd0d4;border-radius:12px;padding:10px;box-shadow:0 10px 28px rgba(0,0,0,.12)}
    .ui-datepicker .ui-datepicker-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
    .ui-datepicker .ui-datepicker-prev,.ui-datepicker .ui-datepicker-next{cursor:pointer;padding:4px 8px;border-radius:8px;text-decoration:none}
    .ui-datepicker .ui-datepicker-title{font-weight:600}
    .ui-datepicker table{width:100%;border-collapse:collapse}
    .ui-datepicker th,.ui-datepicker td{text-align:center;padding:2px}
    .ui-datepicker td a,.ui-datepicker td span{display:block;padding:8px 6px;border-radius:8px;text-decoration:none}
    .ui-datepicker td a{color:#1d2327}
    .ui-datepicker td a:hover,.ui-datepicker td a.ui-state-active{background:#2271b1;color:#fff}
    .ui-datepicker td.ui-state-disabled span{opacity:.45}
    .arb-day{min-height:68px;border-radius:10px;padding:6px;display:flex;flex-direction:column;gap:4px;justify-content:flex-start}
    .arb-day-empty{background:transparent}
    .arb-day-past,.arb-day-too-far{background:#f2f2f2;color:#8a8a8a}
    .arb-day-full{background:#fdecec;border:1px solid #efb7b7}
    .arb-day-available{background:#edf7ed;border:1px solid #b7ddb9}
    .arb-day-num{font-weight:600}
    .arb-day-status{font-size:.72em;line-height:1.2}
    .arb-calendar-date{padding:0;background:transparent;width:100%;text-align:center}
    .arb-legend{display:flex;flex-wrap:wrap;gap:14px;margin:10px 0 18px 0;font-size:.9em}
    .arb-legend span{display:inline-flex;gap:6px;align-items:center}
    .arb-swatch{width:14px;height:14px;border-radius:4px;display:inline-block}
    .arb-form-section{margin-top:20px}
    .arb-day-nav{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin:14px 0 18px 0;padding:14px 16px;border:1px solid var(--arb-border-soft);border-radius:16px;background:rgba(255,255,255,.86);box-shadow:0 8px 22px rgba(15,23,42,.04)}
    .arb-day-nav .arb-field{margin-bottom:0;min-width:210px}
    .arb-day-nav-link{background:#23313d;color:#fff}
    .arb-day-nav-link[aria-disabled="true"],.arb-day-nav-button[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none}
    .arb-day-nav-button{background:var(--arb-accent);color:#fff}
    .arb-mobile-switch{display:none;align-items:center;gap:10px;margin:0 0 12px 0;padding:10px 12px;border-bottom:1px solid #eee;position:sticky;left:0;background:#fff;z-index:4}
    .arb-planner-desktop{display:block}
    .arb-mobile-planner-stack{display:none}
    .arb-mobile-planner-card{display:none}
    .arb-mobile-planner-card.is-active{display:block}
    .arb-mobile-room-title{display:flex;justify-content:space-between;gap:10px;align-items:baseline;padding:8px 10px;border-bottom:1px solid #ececec;background:#f8f9fa}
    .arb-mobile-room-title small{color:#666}
    .arb-mobile-switch select{flex:1;min-width:0;padding:10px 12px;border-radius:10px;border:1px solid #ccc;font-size:16px}
    .arb-mobile-switch button{background:#f0f0f1;color:#1d2327;padding:10px 12px;min-width:46px}
    .arb-planner-wrap{margin:18px 0 26px 0;border:1px solid var(--arb-border);border-radius:18px;overflow:auto;background:var(--arb-panel);position:relative;box-sizing:border-box;box-shadow:0 16px 34px rgba(15,23,42,.05)}
    @media (min-width: 861px){
        .arb-planner-wrap{width:100%;min-width:0;max-width:100%;margin:18px auto 26px auto}
    }
    .arb-planner-grid{display:grid;align-items:stretch;width:100%;gap:0}
    .arb-planner-grid > *{box-sizing:border-box;min-width:0;min-height:0;border-right:1px solid var(--arb-border-soft);border-bottom:1px solid var(--arb-border-soft)}
    .arb-grid-head{position:sticky;top:0;z-index:3;background:#f6f8f9;padding:12px 14px;font-weight:600;min-height:56px;display:flex;align-items:center;justify-content:center;text-align:center}
    .arb-grid-head.arb-time-col{z-index:5}
    .arb-room-header{min-width:190px;display:flex;flex-direction:column;gap:2px;align-items:center;text-align:center}
    .arb-room-header small{display:block;color:var(--arb-muted);font-weight:400}
    .arb-time-col{position:sticky;left:0;background:#f6f8f9;z-index:2;width:84px;min-width:84px;white-space:nowrap}
    .arb-grid-time{padding:6px 10px;font-size:.85em;font-weight:600;display:flex;align-items:center;justify-content:center;color:var(--arb-muted)}
    .arb-slot,.arb-slot-free,.arb-slot-closed,.arb-slot-unavailable,.arb-slot-booked{min-width:190px;height:34px;position:relative}
    .arb-slot{display:block;width:100%;height:100%;margin:0;padding:0;border:0;border-radius:0;background:none;font:inherit;text-align:left;line-height:0;appearance:none;-webkit-appearance:none;justify-self:stretch;align-self:stretch}
    .arb-slot-free,.arb-slot-closed,.arb-slot-unavailable,.arb-slot-booked{display:block;width:100%}
    .arb-slot-free{background:#fff;cursor:pointer;user-select:none;-webkit-user-select:none;transition:background .12s ease, box-shadow .12s ease, border-color .12s ease;background-clip:padding-box}
    .arb-slot-free[data-bookable="1"]:hover,.arb-slot-free[data-bookable="1"]:focus-visible{background:#edf3f7;outline:0}
    .arb-slot-free.is-selected{background:var(--arb-accent-soft);border-bottom-color:var(--arb-accent-soft)}
    .arb-slot-free.is-anchor{background:var(--arb-accent-soft)}
    .arb-slot-free.is-range-start,.arb-slot-free.is-range-middle,.arb-slot-free.is-range-end,.arb-slot-free.is-range-single{background:var(--arb-accent-soft)}
    .arb-slot-free.is-range-start{border-bottom-color:var(--arb-accent-soft);box-shadow:inset 1px 0 0 var(--arb-accent),inset -1px 0 0 var(--arb-accent),inset 0 1px 0 var(--arb-accent),inset 0 -1px 0 var(--arb-accent-soft)}
    .arb-slot-free.is-range-middle{border-bottom-color:var(--arb-accent-soft);box-shadow:inset 1px 0 0 var(--arb-accent),inset -1px 0 0 var(--arb-accent),inset 0 1px 0 var(--arb-accent-soft),inset 0 -1px 0 var(--arb-accent-soft)}
    .arb-slot-free.is-range-end{box-shadow:inset 1px 0 0 var(--arb-accent),inset -1px 0 0 var(--arb-accent),inset 0 1px 0 var(--arb-accent-soft),inset 0 -1px 0 var(--arb-accent)}
    .arb-slot-free.is-range-single{box-shadow:inset 0 0 0 2px var(--arb-accent)}
    .arb-slot-closed{background:#f3f3f3}
    .arb-slot-unavailable{background:#f8f0f0}
    .arb-slot-booked{background:linear-gradient(180deg,#dbe6ee 0%,#d1dee7 100%);color:#163243}
    .arb-slot-booked .arb-booking-card{height:100%;padding:6px 10px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center}
    .arb-slot-booked .arb-booking-card strong,.arb-slot-booked .arb-booking-card span{display:block;width:100%;text-align:center}
    .arb-slot-booked .arb-booking-card strong{font-size:.86em;line-height:1.2}
    .arb-slot-booked .arb-booking-card span{font-size:.74em;line-height:1.2;color:#345264}
    .arb-slot-booked.no-label{font-size:0;line-height:0}
    .arb-slot-booked.no-label .arb-booking-card{padding:0}
    .arb-slot-booked.is-start,.arb-slot-booked.is-middle{border-bottom-color:#d5e1e9}
    .arb-slot-booked.is-middle,.arb-slot-booked.is-end{border-top-color:#d5e1e9}
    .arb-slot-readonly{cursor:default}
    .arb-planner-help{margin:0 0 12px 0}
    .arb-selected-slot{display:none;margin:10px 0 0 0;padding:10px 12px;border:1px solid #bfd8ff;background:#eef6ff;border-radius:10px}
    .arb-selected-slot.is-visible{display:block}
    .arb-custom-fields-admin .arb-custom-field-row{display:grid;grid-template-columns:1.1fr .8fr .8fr 1fr auto;gap:10px;align-items:end;margin-bottom:10px}
    .arb-custom-fields-admin .arb-custom-field-row input[type="text"],.arb-custom-fields-admin .arb-custom-field-row select,.arb-custom-fields-admin .arb-custom-field-row textarea{width:100%}
    .arb-custom-fields-admin .arb-remove-field{margin-bottom:2px}
    .arb-reservation-meta{display:flex;flex-direction:column;gap:4px}
    .arb-reservation-meta small{display:block;color:#444;line-height:1.25}
    .arb-role-note{margin:0 0 18px 0}
    .arb-user-bookings{margin-top:26px}
    .arb-user-bookings-table-wrap{overflow:auto;border:1px solid #e5e5e5;border-radius:12px}
    .arb-user-bookings-table{width:100%;border-collapse:collapse;min-width:680px;background:#fff}
    .arb-user-bookings-table th,.arb-user-bookings-table td{padding:10px 12px;border-bottom:1px solid #ececec;text-align:left;vertical-align:top}
    .arb-user-bookings-table th{background:#f8f9fa}
    .arb-booking-action{white-space:nowrap}
    .arb-user-bookings-form{margin:0}
    .arb-user-bookings-delete{background:#fff;border:1px solid #c43;color:#c43;border-radius:8px;padding:8px 10px;cursor:pointer}
    .arb-user-bookings-delete:hover{background:#fff5f5}
    .arb-room-checklist{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:6px 12px}
    .arb-room-checklist label{display:flex;gap:6px;align-items:flex-start}
    @media (max-width: 1100px){
        .arb-booking-wrapper{padding:16px}
        .arb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
        .arb-calendar-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
    }
    @media (max-width: 860px){
        .arb-grid{grid-template-columns:1fr}
        .arb-booking-wrapper{width:100%;max-width:100%;padding:12px;border-radius:12px}
        .arb-day{min-height:56px}
        .arb-day-nav{padding:10px}
        .arb-day-nav .arb-field{min-width:0;width:100%}
        .arb-day-nav form{width:100%}
        .arb-mobile-switch{display:flex}
        .arb-planner-desktop{display:none}
        .arb-mobile-planner-stack{display:block}
        .arb-planner-wrap{width:100%;max-width:100%;margin:18px 0 26px 0}
        .arb-room-switch{display:none}
        .arb-month{padding:10px}
        .arb-calendar-grid{grid-template-columns:1fr}
        .arb-view-toggle{gap:8px}
        .arb-view-toggle a{flex:1 1 0;text-align:center;justify-content:center}
        .arb-time-col{width:72px;min-width:72px}
        .arb-grid-head{padding:10px 8px}
        .arb-grid-time{padding:6px 8px}
        .arb-slot,.arb-slot-free,.arb-slot-closed,.arb-slot-unavailable,.arb-slot-booked{min-width:0;height:38px}
        .arb-slot-booked .arb-booking-card{padding:6px 8px}
    }