:root{--brand:#0d47a1;--brand2:#1565c0;--surface:#fff;--bg:#f4f7fb;--text:#172033;--muted:#6b7280;--border:#dfe7f1;--green:#78c800;--warning:#f6c453}*{box-sizing:border-box}body{font-family:Tahoma,"Noto Sans Thai",Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app-header{background:linear-gradient(120deg,#083b86,#0d5bc5 55%,#0b3e8a);padding:14px 0;box-shadow:0 5px 18px rgba(5,43,99,.22);position:sticky;top:0;z-index:1030}.brand-wrap{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}.brand-wrap strong{display:block;font-size:1.05rem}.brand-wrap small{display:block;color:#cce0ff}.brand-logo{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--brand);font-weight:800;box-shadow:0 0 0 4px rgba(255,255,255,.18)}.header-actions{display:flex;align-items:center;gap:8px}.app-shell{padding-top:24px}.sidebar-stack{display:grid;gap:16px;position:sticky;top:98px}.side-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(25,49,83,.06)}.side-card-title{padding:10px 14px;background:linear-gradient(90deg,#064c9c,#0b79d0);color:#fff;font-weight:700;font-size:.93rem}.side-card-green{background:linear-gradient(90deg,#0f7d55,#29a36a)}.side-menu a{display:block;padding:11px 14px;color:#29405f;text-decoration:none;border-top:1px solid #eef2f7;transition:.2s}.side-menu a:hover,.side-menu a.active{background:#e9f2ff;color:#0b5ed7;padding-left:18px;font-weight:700}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.page-heading h1{font-size:1.65rem;margin:0 0 5px}.page-heading p{margin:0;color:var(--muted)}.modern-card{border:1px solid var(--border);border-radius:18px;box-shadow:0 9px 30px rgba(27,55,92,.07);overflow:hidden}.calendar-toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border);gap:14px}.calendar-toolbar>a:last-child{justify-self:end}.calendar-title{text-align:center}.calendar-title strong{display:block;font-size:1.35rem}.calendar-title span{font-size:.86rem;color:var(--muted)}.calendar-legend{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;padding:10px 15px;background:#f8fbff;font-size:.83rem;color:var(--muted)}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px}.dot-approved{background:#7bd22c}.dot-pending{background:#f6c453}.dot-today{border:2px solid #0d6efd}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);padding:12px;gap:8px}.calendar-weekday{text-align:center;font-weight:700;padding:8px;color:#345}.calendar-cell{min-height:92px;border:1px solid var(--border);border-radius:12px;background:#f8fafc}.calendar-day{text-align:left;padding:10px;cursor:pointer;transition:.18s;position:relative;color:#172033}.calendar-day:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,55,91,.12);border-color:#6fa8ff}.calendar-day.has-approved{background:linear-gradient(145deg,#ecffdd,#d9f9be);border-color:#aee278}.calendar-day.has-pending{background:linear-gradient(145deg,#fff8db,#ffefae);border-color:#efcf66}.calendar-day.is-today{box-shadow:inset 0 0 0 2px #0d6efd}.calendar-day.is-selected{outline:3px solid rgba(13,110,253,.28);border-color:#0d6efd}.day-number{font-weight:800;font-size:1rem}.booking-count{display:block;margin-top:22px;font-size:.76rem;color:#47606f}.card-header-modern{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header-modern h2{font-size:1.12rem;margin:0 0 3px}.card-header-modern p{font-size:.85rem;color:var(--muted);margin:0}.booking-table thead,.table thead{background:#f3f7fc}.table>:not(caption)>*>*{padding:.85rem 1rem}.empty-state{text-align:center;padding:30px;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.detail-grid>div{border:1px solid var(--border);border-radius:12px;padding:14px;background:#fafcff}.detail-grid span{display:block;color:var(--muted);font-size:.8rem;margin-bottom:4px}.detail-grid strong{font-weight:700}.detail-full{grid-column:1/-1}.room-hero-img{width:100%;height:220px;object-fit:cover}.room-detail-img{width:100%;min-height:420px;max-height:580px;object-fit:cover}.room-card img{width:100%;height:210px;object-fit:cover}.capacity-pill{background:#e8f2ff;color:#0b5ed7;padding:4px 9px;border-radius:999px;font-size:.78rem;white-space:nowrap}.auth-wrap{min-height:66vh;display:grid;place-items:center}.auth-card{width:100%;max-width:520px}.auth-icon{font-size:2.3rem}.section-title{font-size:1rem;font-weight:800;color:#0b5ed7;padding-bottom:8px;border-bottom:1px solid var(--border);margin-bottom:16px}.thai-date-control{position:relative}.thai-date-control .native-date-overlay{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.check-grid.one-col{grid-template-columns:1fr}.check-card{display:flex;align-items:center;gap:9px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;cursor:pointer;background:#fff}.check-card:hover{border-color:#82b4ff;background:#f5f9ff}.admin-nav{display:flex;gap:8px;flex-wrap:wrap}.admin-nav a{text-decoration:none;padding:9px 14px;border-radius:10px;background:#fff;border:1px solid var(--border);color:#38516f}.admin-nav a.active,.admin-nav a:hover{background:#0d6efd;color:#fff;border-color:#0d6efd}.stat-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 6px 20px rgba(30,55,90,.06)}.stat-card span{display:block;color:var(--muted);font-size:.86rem}.stat-card strong{display:block;font-size:2rem;margin-top:6px;color:#0d5cc7}.room-thumb{width:78px;height:52px;border-radius:8px;object-fit:cover}.room-edit-preview{display:block;width:100%;height:240px;object-fit:cover;border:1px solid var(--border);border-radius:14px}.help-list li{padding:8px 0}.app-footer{padding:20px 0;color:#79879a;font-size:.82rem;text-align:center}.badge.bg-warning{color:#513d00!important}@media(max-width:991.98px){.sidebar-stack{position:static}.app-header{position:static}.calendar-cell{min-height:75px}.header-actions .text-white-50{display:none!important}}@media(max-width:767.98px){.brand-wrap small{display:none}.brand-wrap strong{font-size:.9rem}.brand-logo{width:38px;height:38px}.page-heading{align-items:flex-start;flex-direction:column}.calendar-toolbar{grid-template-columns:1fr 1fr}.calendar-title{grid-column:1/-1;grid-row:1}.calendar-toolbar>a:first-child{grid-column:1}.calendar-toolbar>a:last-child{grid-column:2}.calendar-grid{gap:4px;padding:7px}.calendar-cell{min-height:61px;border-radius:8px}.calendar-day{padding:7px}.booking-count{margin-top:12px;font-size:.65rem}.detail-grid{grid-template-columns:1fr}.detail-full{grid-column:auto}.check-grid{grid-template-columns:1fr}.table>:not(caption)>*>*{padding:.7rem}.header-actions .btn-outline-light{display:none}}

/* Responsive header menu */
.header-mobile-menu{display:none}.header-mobile-menu .dropdown-menu{min-width:220px}.header-mobile-menu .dropdown-item{padding:.65rem 1rem}@media(max-width:767.98px){.header-actions-desktop{display:none!important}.header-mobile-menu{display:block}.brand-wrap{min-width:0}.brand-wrap>span:last-child{min-width:0}.brand-wrap strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:190px}}