:root{--mint:#8fe3cf;--mint-dark:#2e9f8c;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--surface:#fff;--bg:#f7faf9;--danger:#c24141}*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;min-height:100%;overflow-x:hidden}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{text-decoration:none;color:inherit}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#fff,#f2fffb)}.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:0 20px 60px #10251b10}.brand-mark{width:46px;height:46px;border-radius:13px;background:var(--ink);color:var(--mint);display:grid;place-items:center;font-weight:900;font-size:22px;margin-bottom:22px}.brand-mark.small{width:36px;height:36px;margin:0;border-radius:10px;font-size:17px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--mint-dark);margin-bottom:8px}.login-card h1{font-size:32px;margin-bottom:7px}.muted{color:var(--muted);font-size:14px}.form-stack{display:grid;grid-gap:16px;gap:16px;margin-top:26px}label{display:grid;grid-gap:7px;gap:7px;font-size:13px;font-weight:700}input,select,textarea{width:100%;border:1px solid #d9dfdd;border-radius:10px;padding:10px 12px;background:#fff;outline:none;color:var(--ink)}input:focus,select:focus,textarea:focus{border-color:var(--mint-dark);box-shadow:0 0 0 3px #8fe3cf30}.button{border:1px solid transparent;border-radius:10px;padding:10px 15px;font-weight:750}.button.primary{background:var(--ink);color:#fff}.button.primary:hover{background:#27313d}.button.ghost{background:#fff;border-color:var(--line)}.button.wide{width:100%}.button.small{padding:7px 11px;font-size:12px}.back{margin-bottom:18px}.alert{padding:12px 14px;border-radius:10px;font-size:13px}.error{background:#fff1f1;color:#a33131;border:1px solid #ffd6d6}.login-hint{margin-top:22px;padding:11px;background:#f5fbf9;border-radius:10px;font-size:12px;color:var(--muted)}.app-shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:252px;background:#101516;color:#fff;padding:22px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:2px 8px 25px}.brand b{display:block;font-size:13px;letter-spacing:.04em}.brand small{display:block;color:#9ba5a2;font-size:10px;margin-top:3px}.user-box{border:1px solid #ffffff12;background:#ffffff08;border-radius:12px;padding:12px;margin-bottom:16px}.user-box b,.user-box span{display:block}.user-box b{font-size:13px}.user-box span{font-size:11px;color:#9ba5a2;margin-top:4px}.sidebar nav{display:grid;grid-gap:4px;gap:4px}.sidebar nav a{padding:11px 12px;border-radius:9px;color:#aeb8b5;font-size:13px;font-weight:650}.sidebar nav a.active,.sidebar nav a:hover{background:var(--mint);color:#10201c}.sidebar-bottom{margin-top:auto}.session-clock{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;margin-bottom:8px;background:#ffffff08;border-radius:9px;font-size:11px;color:#9ba5a2}.session-clock b{color:var(--mint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.logout-button{width:100%;padding:10px;border:0;background:transparent;color:#c8d0ce;text-align:left;border-radius:9px}.logout-button:hover{background:#fff1f112;color:#fff}.content{margin-left:252px;min-width:0;flex:1 1}.content-header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;position:-webkit-sticky;position:sticky;top:0;z-index:2}.content-header h2{font-size:17px}.mobile-brand{display:none}.role-pill{font-size:10px;font-weight:800;padding:6px 9px;border-radius:999px;background:#eefaf7;color:#2e806f}.content-body{padding:30px 34px;max-width:1400px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading h1{font-size:28px;margin-bottom:4px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:15px;gap:15px;margin-bottom:24px}.panel,.room-card,.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px}.stat-card{padding:18px}.stat-card span{display:block;color:var(--muted);font-size:12px}.stat-card strong{display:block;font-size:30px;margin-top:6px}.panel{padding:20px;margin-bottom:20px}.panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel h2{font-size:16px}.room-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:13px;gap:13px}.room-card{padding:17px}.room-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.room-card h3{font-size:17px}.room-card p{font-weight:800;margin:14px 0 7px}.room-card small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.status{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:800}.status.available{background:#e7faf4;color:#237c68}.status.booked{background:#fff6dd;color:#9b6b00}.status.occupied{background:#eef0ff;color:#4c58a8}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.form-actions,.form-grid h2{grid-column:1/-1}.form-actions{display:flex;gap:8px;margin-top:2px}.span-2{grid-column:1/-1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}td,th{text-align:left;padding:12px 10px;border-bottom:1px solid #edf0ef;font-size:12px;vertical-align:middle}th{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#7a8481;background:#fbfcfc}td small{display:block;color:var(--muted);margin-top:4px}.text-button{border:0;background:none;font-weight:750;font-size:12px;margin-right:10px}.danger-text{color:var(--danger)}.supply-picker{grid-column:1/-1;display:grid;grid-template-columns:1fr 100px auto;grid-gap:8px;gap:8px}.selected-items{display:flex;gap:8px;flex-wrap:wrap}.selected-items span{background:#eef8f5;border-radius:999px;padding:7px 10px;font-size:11px}.inline-input{min-width:130px}.converter{background:linear-gradient(135deg,#fff,#f3fcf9)}.conversion-result{margin-top:16px;padding:15px;border-radius:10px;background:#e9f8f4;font-size:16px}.empty-state{text-align:center;padding:70px 20px;background:#fff;border:1px solid var(--line);border-radius:14px}.empty-state h2{margin-bottom:15px}.page-loading{min-height:100vh;display:grid;place-items:center;color:var(--muted)}@media(max-width:1000px){.room-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{position:static;width:100%;height:auto;padding:12px}.app-shell,.sidebar{display:block}.brand{padding-bottom:12px}.user-box{display:none}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{white-space:nowrap}.sidebar-bottom{margin-top:10px;display:flex;gap:8px;align-items:center}.session-clock{flex:1 1;margin:0}.logout-button{width:auto}.content{margin-left:0}.content-header{height:62px;padding:0 16px}.mobile-brand{display:block;font-size:10px;font-weight:800;color:var(--mint-dark);margin-bottom:2px}.content-header h2{font-size:15px}.content-body{padding:20px 16px}.page-heading{align-items:flex-start}.page-heading h1{font-size:23px}.form-grid{grid-template-columns:1fr}.form-actions,.form-grid h2,.span-2{grid-column:auto}.supply-picker{grid-template-columns:1fr 75px}.supply-picker .button{grid-column:1/-1}.room-grid{grid-template-columns:1fr}.login-card{padding:28px 22px}}.appearance-controls{display:flex;align-items:center;gap:6px}.appearance-controls.compact{position:fixed;top:18px;right:18px;z-index:10}.appearance-button{width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font-size:11px;font-weight:800;display:grid;place-items:center}.appearance-button:hover{border-color:var(--mint-dark)}.header-actions{display:flex;align-items:center;gap:12px}html[data-theme=dark]{--ink:#f3f7f5;--muted:#aab7b2;--line:#293633;--surface:#18211f;--bg:#0e1413;--danger:#ff8585}html[data-theme=dark] body{background:var(--bg);color:var(--ink)}html[data-theme=dark] .login-page{background:linear-gradient(135deg,#0e1413,#12241f)}html[data-theme=dark] .empty-state,html[data-theme=dark] .login-card,html[data-theme=dark] .panel,html[data-theme=dark] .room-card,html[data-theme=dark] .stat-card{background:var(--surface);border-color:var(--line);box-shadow:none}html[data-theme=dark] input,html[data-theme=dark] select,html[data-theme=dark] textarea{background:#101816;color:var(--ink);border-color:#34443f}html[data-theme=dark] .button.ghost{color:var(--ink)}html[data-theme=dark] .button.ghost,html[data-theme=dark] .content-header{background:var(--surface);border-color:var(--line)}html[data-theme=dark] th{background:#141c1a;color:#aab7b2;border-color:var(--line)}html[data-theme=dark] td{border-color:var(--line)}html[data-theme=dark] .converter{background:linear-gradient(135deg,var(--surface),#142923)}html[data-theme=dark] .conversion-result{background:#16342c}html[data-theme=dark] .login-hint{background:#152a24}html[data-theme=dark] .selected-items span{background:#19352e}html[data-theme=dark] .alert.error{background:#351c1c;border-color:#633333;color:#ffb0b0}@media(max-width:760px){.appearance-controls.compact{top:12px;right:12px}.header-actions{gap:8px}.header-actions .appearance-controls{display:none}}html[data-theme=dark] .button.primary{background:#f3f7f5;color:#101816}html[data-theme=dark] .button.primary:hover{background:#dce8e3}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;padding:20px;z-index:50}.modal-card{width:min(100%,520px);background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.2)}