:root{--bg: #eef3ff;--surface: #ffffff;--surface-soft: #f5f9ff;--text: #12263a;--text-muted: #5f7084;--border: #d7e2f0;--border-strong: #c3d4e8;--focus: #0ea5e9;--button: #0f766e;--button-hover: #0d5f66;--button-text: #ffffff;--button-secondary-bg: #eef6ff;--button-secondary-text: #194066;--button-secondary-border: #bfd3ed;--vacant: #16a34a;--occupied: #ef4444;--warning: #f59e0b;--shadow: 0 12px 28px rgba(15, 70, 120, .1);--link: #0f5bbd}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at 10% 8%,rgba(14,165,233,.18),transparent 32%),radial-gradient(circle at 90% 0%,rgba(16,185,129,.14),transparent 26%),radial-gradient(circle at 76% 86%,rgba(245,158,11,.12),transparent 28%),var(--bg);color:var(--text);font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:14px;line-height:1.6}a{color:var(--link)}a:hover{color:#0a3f8c}h1,h2,h3{margin:0;font-weight:600;letter-spacing:.01em}h1{font-size:24px;line-height:32px;margin-bottom:12px}h2{font-size:18px;line-height:26px;margin-bottom:10px}h3{font-size:16px;line-height:24px;margin-bottom:8px}p{margin:0}label{display:block;color:var(--text-muted);font-size:13px}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface-soft);color:var(--text);padding:9px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--focus);box-shadow:0 0 0 2px #3b82f62e}input[type=checkbox]{width:16px;height:16px;margin:0}button{border:1px solid var(--button);border-radius:8px;background:linear-gradient(135deg,var(--button),#0284c7);color:var(--button-text);padding:8px 12px;cursor:pointer;box-shadow:0 8px 18px #0284c733;transition:background-color .14s ease,border-color .14s ease,transform .14s ease}button:hover{background:var(--button-hover);border-color:var(--button-hover);transform:translateY(-1px)}button:disabled{opacity:.5;cursor:not-allowed}button.button-secondary{background:var(--button-secondary-bg);color:var(--button-secondary-text);border-color:var(--button-secondary-border)}button.button-secondary:hover{background:#dff0ff;border-color:#a8c8ea}button.button-danger{background:#dc2626;border-color:#dc2626;color:#fff}button.button-danger:hover{background:#b91c1c;border-color:#b91c1c}button.button-text{background:transparent;border-color:transparent;color:var(--text-muted);padding:4px 6px}button.button-text:hover{background:#eaf3ff;color:var(--text)}.page{min-height:100vh;padding:24px}.page.auth{display:flex;align-items:center;justify-content:center}.page.auth .card{width:min(420px,100%)}.page.mobile{width:min(560px,100%);margin:0 auto;display:flex;flex-direction:column;gap:12px}.card{width:100%;border:1px solid var(--border);border-radius:12px;background:var(--surface);box-shadow:var(--shadow);padding:16px}.error{color:var(--occupied)}.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.admin-sidebar{position:sticky;top:0;height:100vh;border-right:1px solid rgba(255,255,255,.12);background:linear-gradient(165deg,#0b2b4f,#0f4b74 52%,#0f766e);padding:16px 12px;display:flex;flex-direction:column;gap:8px}.admin-sidebar h2{color:#fff;font-size:18px;line-height:24px;margin-bottom:4px}.admin-sidebar .page-subtitle{margin:-2px 0 8px;font-size:12px;color:#ffffffad}.admin-sidebar a,.admin-sidebar button{text-decoration:none;text-align:left;width:100%;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#ffffff14;color:#fff;padding:9px 10px;box-shadow:none;transform:none}.admin-sidebar a:hover,.admin-sidebar button:hover{border-color:#ffffff52;background:#ffffff2e}.admin-sidebar a.active{background:#fff;border-color:#fff;color:#0f3a5c}.admin-sidebar button{margin-top:auto;border-color:#ffffff47}.admin-shell main{padding:16px}.admin-shell main>section{min-height:calc(100vh - 32px);border:1px solid var(--border);border-radius:12px;background:linear-gradient(180deg,#fffffff5,#ffffffe0);padding:16px;display:flex;flex-direction:column;gap:12px}.page-subtitle{color:var(--text-muted);font-size:13px;margin-top:-6px}.inline-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;align-items:center}.inline-form button{white-space:nowrap}.inline-checkbox{display:inline-flex;align-items:center;gap:8px;width:fit-content}.inline-form.history-toolbar{display:flex;flex-wrap:nowrap;overflow-x:auto}.inline-form.history-toolbar input{width:160px;min-width:120px}.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.stats .card{padding:14px;border-top:3px solid transparent}.stats .card:nth-child(1){border-top-color:#0284c7}.stats .card:nth-child(2){border-top-color:var(--occupied)}.stats .card:nth-child(3){border-top-color:var(--vacant)}.stats .card:nth-child(4){border-top-color:var(--warning)}.stats .card:nth-child(5){border-top-color:#7c3aed}.stats .card strong{color:var(--text-muted);font-size:13px}.stats .card p{font-size:32px;line-height:38px;font-weight:600;margin-top:8px}.room-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.room-card{display:flex;flex-direction:column;gap:10px}.room-card .bed-grid{display:flex;flex-wrap:wrap;gap:8px}.bed{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:30px;border-radius:8px;color:#fff;font-size:12px;font-weight:600}.bed-button{padding:0;border-width:1px}.bed.vacant{background:var(--vacant);border-color:var(--vacant)}.bed.occupied{background:var(--occupied);border-color:var(--occupied)}.bed-button.active{box-shadow:0 0 0 2px #0ea5e973}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-width:70px;border-radius:999px;font-size:12px;font-weight:600;padding:4px 10px;border:1px solid transparent}.status-pill.vacant{color:var(--vacant);border-color:#16a34a33;background:#16a34a14}.status-pill.occupied{color:var(--occupied);border-color:#dc262633;background:#dc262614}table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border);font-size:13px;white-space:nowrap}th{background:#ebf3ff;color:#254565;font-weight:600}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:#f5f9ff}.table-scroll{width:100%;overflow-x:auto}tr.room-selected td{background:#e9f4ff!important}.actions-col{width:1%}.table-actions{display:inline-flex;gap:6px;flex-wrap:nowrap}.table-actions button,.actions-col button,.pagination-bar button,.section-head-actions button,.import-result-inline button,.drawer-actions button,.drawer-attachments button,.links .link-button,.modal-close{background:var(--button-secondary-bg);color:var(--button-secondary-text);border-color:var(--button-secondary-border);padding:5px 9px;box-shadow:none;transform:none}.table-actions button:hover,.actions-col button:hover,.pagination-bar button:hover,.section-head-actions button:hover,.import-result-inline button:hover,.drawer-actions button:hover,.drawer-attachments button:hover,.links .link-button:hover,.modal-close:hover{background:#dff0ff;border-color:#aaccec;transform:none}.links{display:inline-flex;flex-wrap:nowrap;gap:6px}.highlight-row td{background:#f0f8ff!important}.pagination-bar{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;color:var(--text-muted)}.pagination-size{display:inline-flex;align-items:center;gap:6px;margin:0}.pagination-size select{width:auto}.room-bed-page{padding:0;background:transparent;border:none;min-height:auto}.login-card,.scan-card,.success-card{display:flex;flex-direction:column;gap:10px}.scan-shell .page-subtitle{margin-top:-6px}.room-bed-split{display:grid;grid-template-columns:minmax(320px,.95fr) minmax(0,1.55fr);gap:12px;align-items:start}.section-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.section-head h2{margin-bottom:0}.section-head-actions{display:inline-flex;gap:8px}.hidden-file-input{display:none}.import-result-inline{display:flex;align-items:center;gap:8px;color:var(--text-muted)}.drawer-backdrop,.modal-backdrop{position:fixed;inset:0;z-index:1000;background:#071b3070}.modal-backdrop{display:flex;align-items:center;justify-content:center;padding:16px}.modal-card{width:min(760px,100%);border-radius:12px;border:1px solid var(--border);background:#fff;padding:12px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.form-modal-card{width:min(520px,100%);padding:14px}.modal-form{display:flex;flex-direction:column;gap:10px}.modal-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-muted)}.modal-form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}.preview-image{width:100%;max-height:70vh;object-fit:contain;border:1px solid var(--border);border-radius:8px;background:#fafafa}.preview-error{margin-bottom:8px}.drawer-backdrop{display:flex;justify-content:flex-end}.drawer-panel{width:min(500px,94vw);height:100%;border-left:1px solid var(--border);background:linear-gradient(180deg,#fff,#f7fbff);padding:14px;overflow-y:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.drawer-close{padding:4px 8px;font-size:12px}.drawer-body{display:flex;flex-direction:column;gap:8px}.drawer-body p{margin:0}.drawer-body hr{width:100%;border:none;border-top:1px solid var(--border);margin:4px 0}.drawer-actions,.drawer-attachments{display:flex;flex-wrap:wrap;gap:8px}.list-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.row-actions{display:flex;flex-wrap:wrap;gap:8px}@media(max-width:1400px){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1200px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--border);flex-direction:row;flex-wrap:wrap;gap:6px}.admin-sidebar h2{width:100%}.admin-sidebar a,.admin-sidebar button{width:auto}.admin-sidebar button{margin-top:0}.admin-shell main{padding:10px}.admin-shell main>section{min-height:auto;padding:12px}.stats{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:flex-start}.room-bed-split,.inline-form{grid-template-columns:1fr}.inline-form.history-toolbar{display:grid;grid-template-columns:1fr;overflow:visible}.inline-form.history-toolbar input{width:100%}.page{padding:12px}}