:root{--bg:#f4f6f9;--card:#fff;--ink:#10233f;--muted:#68758a;--line:#e3e8ef;--accent:#15365f;--accent2:#1f5e91;--ok:#18794e;--warn:#a15c00;--danger:#b42318;--sidebar:#0e213b;--shadow:0 12px 34px rgba(16,35,63,.08)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent2);text-decoration:none}button,input,select,textarea{font:inherit}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-weight:900}.auth-card h1{font-size:30px;margin:26px 0 8px}.auth-card p{color:var(--muted);line-height:1.55}.field{display:grid;gap:7px;margin:15px 0}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea,.inline-form input,.inline-form select{width:100%;padding:11px 12px;border:1px solid #ccd5e1;border-radius:10px;background:#fff;color:var(--ink);outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#6d98bd;box-shadow:0 0 0 3px rgba(31,94,145,.1)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 16px;background:var(--accent);color:white;font-weight:750;cursor:pointer}.button:hover{filter:brightness(1.06)}.button.secondary{background:#eef2f7;color:var(--ink)}.button.danger{background:var(--danger)}.button.small{padding:8px 11px;font-size:13px}.alert{padding:12px 14px;border-radius:10px;background:#eaf3ff;border:1px solid #b8d3f3;margin:14px 0;line-height:1.45}.alert.danger{background:#fff0ef;border-color:#ffc9c5;color:#8f1d14}.alert.warning{background:#fff7e9;border-color:#f0d5a2;color:#774400}.app{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;background:var(--sidebar);color:#dbe7f4;padding:18px 14px;overflow:auto}.sidebar .brand{padding:4px 8px 18px;color:#fff}.sidebar .brand small{display:block;color:#91a9c3;font-weight:500;font-size:11px;margin-top:2px}.nav-section{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#7f9ab7;margin:19px 10px 7px}.nav a{display:flex;align-items:center;gap:10px;color:#dbe7f4;padding:9px 10px;border-radius:9px;margin:2px 0;font-size:14px}.nav a:hover,.nav a.active{background:#193857;color:#fff}.nav .ico{width:18px;text-align:center;opacity:.95}.content-wrap{min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}.topbar-left{display:flex;align-items:center;gap:14px}.menu-toggle{display:none;border:0;background:#eef2f7;border-radius:9px;padding:8px 11px}.property-title{font-weight:800}.top-actions{display:flex;align-items:center;gap:10px}.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;color:var(--muted)}.dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}.main{padding:24px;max-width:1550px;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h1{margin:0;font-size:27px}.page-head p{margin:5px 0 0;color:var(--muted)}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.stat,.card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 8px rgba(16,35,63,.025)}.stat{padding:17px}.stat small{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.stat strong{font-size:25px}.stat .hint{font-size:11px;color:var(--muted);margin-top:5px}.card{padding:18px}.card h2,.card h3{margin-top:0}.two-col{grid-template-columns:1.15fr .85fr}.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.table{width:100%;border-collapse:collapse;background:#fff;font-size:13px}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.045em;color:var(--muted);background:#f8fafc}.table tr:last-child td{border-bottom:0}.status{display:inline-flex;align-items:center;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:750}.status.available,.status.paid,.status.confirmed,.status.checked-in{background:#e8f6ef;color:#146c43}.status.occupied,.status.pending,.status.reserved{background:#e9f1fb;color:#1e5b8d}.status.dirty,.status.cancelled{background:#fff0ef;color:#9b251b}.status.cleaning,.status.partial{background:#fff4dd;color:#8a5300}.status.maintenance,.status.blocked{background:#f0f1f3;color:#555f70}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.toolbar .search{max-width:340px}.search{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid .span-2{grid-column:span 2}.empty{padding:34px;text-align:center;color:var(--muted)}.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.room{background:#fff;border:1px solid var(--line);border-radius:13px;padding:15px}.room .number{font-size:22px;font-weight:850}.room .type{font-size:12px;color:var(--muted);margin:2px 0 11px}.room .rate{font-size:12px;margin-top:9px}.kv{display:grid;grid-template-columns:160px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}.kv:last-child{border:0}.kv span:first-child{color:var(--muted)}.footer{color:#8a96a7;text-align:center;font-size:11px;padding:26px}.flash{padding:12px 14px;border-radius:10px;margin-bottom:16px;background:#e8f6ef;border:1px solid #b9e4ce;color:#146c43}.muted{color:var(--muted)}.right{text-align:right}.nowrap{white-space:nowrap}@media(max-width:1050px){.stats{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.three-col{grid-template-columns:1fr 1fr}}@media(max-width:800px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:-280px;z-index:20;width:260px;transition:left .2s}.sidebar.open{left:0}.menu-toggle{display:inline-block}.main{padding:16px}.topbar{padding:0 14px}.property-title{font-size:14px}.top-actions .pill:first-child{display:none}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:span 1}.stats{grid-template-columns:1fr 1fr}.page-head{flex-direction:column}.three-col{grid-template-columns:1fr}}@media(max-width:520px){.stats{grid-template-columns:1fr}.auth-card{padding:24px}.top-actions .user-name{display:none}}

/* v0.2.1 Hotel Operations */
.nav-group{margin-top:8px}.nav-group summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#7f9ab7;padding:10px}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary span{font-size:12px;transition:transform .15s}.nav-group[open] summary span{transform:rotate(180deg)}.actions,.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.stats-6{grid-template-columns:repeat(6,minmax(0,1fr))}.stats-6 .stat strong{font-size:20px}.card-head,.room-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-head h2{margin:0}.quick-grid{grid-template-columns:1fr 1fr}.metric-list{display:grid;gap:0;margin-bottom:18px}.metric-list>div,.resource-list>div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}.filter-chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.chip{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:12px}.chip.selected{background:var(--accent);color:#fff;border-color:var(--accent)}.room{border-left-width:4px}.room-available{border-left-color:#42a579}.room-reserved{border-left-color:#4a83bd}.room-occupied{border-left-color:#254f7a}.room-dirty{border-left-color:#d06459}.room-cleaning{border-left-color:#d9a13b}.room-maintenance,.room-blocked{border-left-color:#858d99}.calendar-card{padding:0;overflow:hidden}.calendar-wrap{overflow:auto}.calendar{border-collapse:collapse;min-width:1100px;width:100%;font-size:11px}.calendar th,.calendar td{border:1px solid var(--line);min-width:70px;height:48px;padding:6px;text-align:center}.calendar thead th{background:#f8fafc;position:sticky;top:0}.calendar tbody th{position:sticky;left:0;background:#fff;z-index:1;text-align:left;min-width:115px}.calendar tbody th small{display:block;color:var(--muted);font-weight:400}.cal-cell span{color:#c1c8d1}.cal-cell.booked{background:#eaf3ff}.cal-cell.booked a{display:block;font-weight:750;color:#174e7a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inline-form{display:flex;gap:8px;align-items:center}.resource-form{display:grid;grid-template-columns:1fr 1fr auto;margin-bottom:12px}.resource-list{display:grid}.resource-list span{color:var(--muted);font-size:12px}.compact-select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff}.small-strong{font-size:15px!important}.hint{font-size:11px;color:var(--muted);margin-top:3px}
@media(max-width:1250px){.stats-6{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.stats-6{grid-template-columns:1fr 1fr}.quick-grid{grid-template-columns:1fr}.actions{width:100%}.resource-form{grid-template-columns:1fr}}@media(max-width:520px){.stats-6{grid-template-columns:1fr}}


/* v0.3.0 Restaurant, Housekeeping & Inventory */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:10px}.product-tile{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#f9fbfd}.product-tile span{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.product-tile strong{font-size:14px}.product-tile b{font-size:13px;color:var(--accent2)}.status.open,.status.in-progress{background:#e9f1fb;color:#1e5b8d}.status.awaiting-inspection{background:#fff4dd;color:#8a5300}.status.completed,.status.closed{background:#e8f6ef;color:#146c43}.status.low-stock{background:#fff0ef;color:#9b251b}.button:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:800px){.product-grid{grid-template-columns:1fr 1fr}}

/* v1.0.1 usability and visual refinement */
.product-footer{padding:14px 24px;text-align:center;color:#7b8798;font-size:11px;background:transparent}
.sidebar{box-shadow:8px 0 28px rgba(7,25,48,.08)}
.sidebar .brand-mark{background:linear-gradient(145deg,#1d5b91,#15365f);box-shadow:0 6px 18px rgba(10,52,91,.28)}
.nav-group{border-bottom:1px solid rgba(255,255,255,.045);padding-bottom:4px;margin-bottom:3px}
.nav-group summary{cursor:pointer;list-style:none;padding:10px 10px 6px;color:#89a7c7;text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:800;display:flex;justify-content:space-between}
.nav-group summary::-webkit-details-marker{display:none}.nav-group[open] summary span{transform:rotate(180deg)}
.topbar{box-shadow:0 3px 14px rgba(16,35,63,.035)}
.card{transition:box-shadow .16s ease,border-color .16s ease}.card:hover{border-color:#d8e1eb;box-shadow:0 7px 22px rgba(16,35,63,.055)}
.select-action{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.select-action select{min-width:0}
.quick-page{min-height:calc(100vh - 55px);display:grid;place-items:start center;padding:24px}.quick-page .card{width:min(500px,100%)}
.field small.muted,.muted{color:var(--muted);font-size:11px;line-height:1.4}
.page-head h1{letter-spacing:-.02em}.stat strong{letter-spacing:-.025em}
@media(max-width:600px){.select-action{grid-template-columns:1fr}.select-action .button{width:100%}}

.alert-pill{background:#fff7e8!important;border-color:#f2d49f!important;color:#7c4a00!important;font-weight:800}
.booking-banner{background:#fff8e8;border:1px solid #f0d49e;color:#714500}
.booking-banner a{font-weight:800}
.booking-alert{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.booking-alert:last-child{border-bottom:0}
.booking-alert small{color:var(--muted)}

/* v1.1 Command Centre */
.command-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
.stat-link{text-decoration:none;color:inherit;position:relative;overflow:hidden}
.stat-link:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(16,35,63,.09)}
.stat-link span{display:block;color:var(--muted);font-size:11px;margin-top:6px;font-weight:650}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:5px}
.attention-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 10px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;border-left:3px solid transparent}
.attention-row:hover{background:#f8fbfe}
.attention-row.high{border-left-color:#c34a3f}.attention-row.medium{border-left-color:#d89b32}
.attention-row div{display:grid;gap:3px}.attention-row small{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em}.attention-row strong{font-size:13px}.attention-row span{color:var(--muted);font-size:11px}.attention-row b{font-size:22px;color:#8293a6}
.success-empty{color:#38755b}.subhead{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}.card-actions{padding-top:14px}
@media(max-width:1050px){.command-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.command-stats{grid-template-columns:1fr}}

.assign-form{display:grid;grid-template-columns:minmax(150px,1fr) auto;gap:6px;align-items:center;min-width:260px}
.assign-form select{width:100%;padding:8px 9px;border:1px solid #ccd5e1;border-radius:9px;background:#fff;color:var(--ink)}
@media(max-width:850px){.assign-form{grid-template-columns:1fr;min-width:210px}}

/* v1.2 unified folio and professional payments */
.table td strong{font-variant-numeric:tabular-nums}

/* v1.3 housekeeping */
.table .actions form{display:inline-flex;gap:6px;align-items:center}.table .actions select{max-width:155px;padding:7px;border:1px solid #ccd5e1;border-radius:8px}

/* v1.4 guest CRM */
.booking-alert span{line-height:1.45}.tag-list{display:flex;gap:8px;flex-wrap:wrap}

/* v1.5 management intelligence */
.stat span{display:block;color:var(--muted);font-size:11px;margin-top:5px}.inline-form label{font-size:12px;font-weight:700;color:var(--muted)}