:root{--bg: #eef3f8;--surface: #ffffff;--surface-soft: #f8fbff;--ink: #182230;--text: #182230;--muted: #526170;--line: #ced8e4;--brand: #0d5f73;--brand-soft: #d9f0f7;--accent: #0d5f73;--ok: #0f766e;--danger: #b42318;--reserved: #c2410c;--occupied: #475467;--available: #0a84c6;--selected: #169c53}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at 8% 0%,#d9e8ff 0%,transparent 46%),radial-gradient(circle at 100% 0%,#d3f4eb 0%,transparent 34%),var(--bg)}button,input,select{font:inherit}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7cc4ff;outline-offset:2px}.app-shell{--shell-pad: clamp(.65rem, 1.7vw, 1.2rem);min-height:100dvh;padding:var(--shell-pad)}.topbar{display:flex;justify-content:space-between;gap:1rem;align-items:center;background:linear-gradient(120deg,#fff,#f5faff);border:1px solid var(--line);border-radius:16px;padding:.65rem 1rem;margin-bottom:1rem}.topbar-brand{display:flex;align-items:center;gap:.65rem}.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.7rem;font-weight:800;letter-spacing:.04em;flex-shrink:0}.brand-name{font-size:1.05rem;font-weight:700;color:var(--ink);letter-spacing:-.01em}.brand-sub{font-size:.84rem;color:var(--muted)}.brand-sub:before{content:"·";margin:0 .4rem;color:var(--line)}.mode-switch{background:#edf2f9;border-radius:11px;padding:.25rem;display:flex;gap:.25rem}.mode-switch button{border:0;border-radius:8px;padding:.5rem .8rem;color:#354254;background:transparent;cursor:pointer}.mode-switch button.active{background:#fff;color:#111827;box-shadow:0 1px 2px #1018281a}.page-grid{display:grid;grid-template-columns:300px 1fr 330px;gap:1rem}.sidebar,.main-content,.booking-panel,.card{background:var(--surface);border:1px solid var(--line);border-radius:16px}.sidebar,.main-content,.booking-panel,.card,.library-item,.kpi-card,.seat-map-wrapper,.selected-list,.alert,.dialog{box-shadow:0 8px 22px #0f172a0a}.sidebar{padding:.75rem;display:grid;gap:.6rem;align-self:start}.sidebar-head{display:flex;justify-content:space-between;align-items:center}.sidebar h2{margin:0;font-size:1rem}.pill{background:#e4ebf6;color:#32445e;font-size:.8rem;border-radius:999px;padding:.2rem .45rem}.sidebar-tools{display:grid;gap:.45rem}.sidebar-tools input,.sidebar-tools select,.filters-bar select,.card input,.card select{border:1px solid var(--line);border-radius:9px;padding:.2rem .5rem;background:#fff}.library-list{display:flex;flex-direction:column;gap:.55rem;max-height:70vh;overflow:auto}.sidebar-empty{text-align:center;color:var(--muted);font-size:.9rem;padding:1.2rem .5rem;margin:0}.library-item{text-align:left;border:1px solid var(--line);background:#fbfcff;border-radius:12px;padding:.5rem .65rem;cursor:pointer;display:flex;flex-direction:column;gap:.14rem}.library-title-row{display:flex;justify-content:space-between;align-items:center;gap:.3rem}.occupancy-badge{font-size:.75rem;background:#edf4ff;color:#1f3f6f;border-radius:999px;padding:.15rem .4rem;white-space:nowrap;flex-shrink:0}.library-item span,.library-item small{color:var(--muted)}.library-item.active{border-color:var(--brand);background:var(--brand-soft)}.main-content{padding:1rem;display:grid;gap:1rem}.page-heading h1{margin:0;font-size:1.3rem}.page-heading p{margin:.35rem 0 0;color:var(--muted)}.room-stats{display:grid;gap:.65rem;padding:.85rem;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#fff,#f8fbff);box-shadow:0 2px 8px #0f172a0a}.occ-bar-row{display:flex;align-items:center;gap:.65rem}.occ-bar{flex:1;display:flex;height:10px;border-radius:999px;overflow:hidden;background:var(--line);gap:2px}.occ-seg{height:100%;transition:flex .4s ease}.occ-seg.available{background:var(--available)}.occ-seg.selected{background:var(--selected)}.occ-seg.reserved{background:var(--reserved)}.occ-seg.occupied{background:var(--occupied)}.occ-total{color:var(--muted);font-size:.8rem;white-space:nowrap}.stat-chips{display:flex;flex-wrap:wrap;gap:.4rem}.stat-chip{display:inline-flex;align-items:center;gap:.3rem;font-size:.84rem;padding:.22rem .6rem;border-radius:999px;border:1px solid var(--line);background:#fff}.stat-chip.available{border-color:#acd8f0;background:#f0f8ff}.stat-chip.reserved{border-color:#f5c4ae;background:#fff6f2}.stat-chip.occupied{border-color:#d0d5dd;background:#f8f9fb}.stat-chip.selected{border-color:#9ae0ba;background:#f0fdf4}.stat-label{color:var(--muted);font-weight:400}.filters-bar{display:flex;gap:.75rem;flex-wrap:wrap}.filters-bar label{font-size:.9rem;display:flex;flex-direction:column;gap:.35rem}.seat-tools{margin-top:-.2rem}.legend-wrap{display:grid;gap:.5rem}.legend{display:flex;flex-wrap:wrap;gap:.65rem}.legend-item{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--line);border-radius:999px;padding:.3rem .65rem;background:#fff;cursor:pointer;transition:background .12s ease,border-color .12s ease}.legend-item:hover{background:#f0f7ff;border-color:#8ec8f1}.legend-item small{color:var(--muted)}.legend-item.active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.legend-item.active small{color:var(--brand);opacity:.8}.dot{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.15);flex-shrink:0}.dot.available{background:var(--available)}.dot.selected{background:var(--selected)}.dot.reserved{background:var(--reserved)}.dot.occupied{background:var(--occupied)}.seat-map-wrapper{background:linear-gradient(180deg,#f7fbff,#edf5ff);border:1px dashed #afc5dd;border-radius:14px;padding:.9rem}.map-label-row{display:flex;justify-content:space-between;color:#475467;font-size:.85rem;margin-bottom:.5rem}.seat-map{display:grid;gap:.48rem}[role=gridcell]{display:flex}.seat{border:0;border-radius:10px;width:100%;min-height:42px;color:#fff;cursor:pointer;font-size:.84rem;transition:transform .14s ease,opacity .12s ease}.seat:hover:not(:disabled){transform:translateY(-1px)}.seat.available{background:var(--available)}.seat.selected{background:var(--selected)}.seat.reserved{background:var(--reserved);cursor:not-allowed}.seat.occupied{background:var(--occupied);cursor:not-allowed}.seat.muted{opacity:.2}.booking-panel{padding:1rem;position:sticky;top:1rem;height:fit-content;display:grid;gap:.5rem}.booking-head{display:flex;justify-content:space-between;align-items:center}.booking-panel h3{margin:0}.step-indicator{display:flex;align-items:center;gap:.2rem;padding:.5rem 0;border-bottom:1px solid var(--line);margin-bottom:.25rem}.step{display:flex;align-items:center;gap:.3rem;font-size:.78rem;color:var(--muted);white-space:nowrap}.step.active{color:var(--brand);font-weight:600}.step.done{color:var(--ok)}.step-num{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:.72rem;font-weight:700;background:#e4ebf6;color:#32445e;flex-shrink:0}.step.active .step-num{background:var(--brand);color:#fff}.step.done .step-num{background:var(--ok);color:#fff}.step-label{font-size:.78rem}.step-divider{flex:1;height:2px;background:var(--line);border-radius:1px;min-width:8px}.step-divider.done{background:var(--ok)}.stage-chip{border-radius:999px;padding:.15rem .5rem;font-size:.74rem;font-weight:700}.stage-select{background:#e8f3ff;color:#16446e}.stage-review{background:#fff4df;color:#915300}.stage-confirmed{background:#e7f9f0;color:#0f6a4a}.meta{margin:0;color:var(--muted)}.stats-grid{margin:.4rem 0;display:grid;grid-template-columns:1fr 1fr;gap:.35rem;font-size:.92rem}.selected-list{padding:.72rem;border:1px solid var(--line);border-radius:10px;background:#fbfdff}.selected-count{font-weight:400;color:var(--muted)}.selected-list p{margin:.35rem 0 0;color:#344054;overflow-wrap:anywhere}.alert{margin:0;border-radius:8px;padding:.55rem;font-size:.92rem}.alert.error{background:#fef3f2;color:var(--danger);border:1px solid #fecdca}.alert.success{background:#ecfdf3;color:var(--ok);border:1px solid #abefc6}.panel-actions{display:grid;gap:.5rem}.btn{border:0;border-radius:10px;padding:.58rem .8rem;background:var(--brand);color:#fff;cursor:pointer}.btn.light{background:#e9edf3;color:#111827}.librarian-page{display:grid;gap:1rem}.librarian-page>h1,.librarian-page>p{margin:0}.librarian-page>p{color:var(--muted)}.librarian-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.manage-grid{display:grid;gap:1rem}.add-form{display:grid;gap:.5rem;padding-top:.75rem;border-top:1px solid var(--line);margin-top:.75rem}.card{padding:1rem}.card h3{margin-top:0}.card,.card form{display:grid;gap:.5rem}.card label{display:flex;flex-direction:column;gap:.2rem;font-size:.88rem;color:var(--muted)}.card label input,.card label select{color:var(--text)}.hint{color:var(--muted);margin:0;font-size:.88rem}.seat-override-grid{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:.5rem;display:grid;gap:.4rem}.override-row{display:flex;justify-content:space-between;align-items:center;gap:.6rem}.reservation-list{display:grid;gap:.5rem}.reservation-item{border:1px solid var(--line);border-radius:10px;padding:.55rem;display:flex;align-items:flex-start;gap:.6rem;font-size:.92rem}.reservation-item-body{display:grid;gap:.2rem;flex:1;min-width:0}.reservation-item .btn-danger-sm{flex-shrink:0;align-self:center}.floor-room-list{list-style:none;padding:0;margin:.75rem 0 0;display:grid;gap:.4rem}.floor-room-item{display:flex;align-items:center;gap:.5rem;padding:.4rem .5rem;border:1px solid var(--line);border-radius:8px;font-size:.9rem}.floor-room-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.floor-room-label small{color:var(--muted)}.btn-danger-sm{font-size:.78rem;padding:.25rem .6rem;border-radius:6px;border:1px solid #f87171;background:transparent;color:#ef4444;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.btn-danger-sm:hover{background:#ef4444;color:#fff}.section-header-row{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;margin-bottom:.5rem}.section-header-row h3{margin:0}.btn-link{background:none;border:none;padding:0;color:var(--accent);font-size:.88rem;cursor:pointer;text-decoration:underline}.btn-link:hover{opacity:.75}.empty{padding:1rem;color:var(--muted)}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:grid;place-items:center;padding:1rem;z-index:90}.dialog{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem}.dialog h3{margin:0}.dialog p{margin:.6rem 0 0;color:#344054}.dialog-actions{margin-top:1rem;display:flex;gap:.5rem;justify-content:flex-end}@media (max-width: 1180px){.page-grid{grid-template-columns:210px 1fr 260px}.librarian-grid{grid-template-columns:1fr}}@media (max-width: 900px){.page-grid,.page-grid.no-sidebar,.page-grid.no-panel,.page-grid.no-sidebar.no-panel{grid-template-columns:1fr}.booking-panel{position:static}}@media (max-width: 740px){.topbar{flex-direction:column;align-items:flex-start}.topbar-right{width:100%}.session-box{width:100%;justify-content:space-between}.stat-chips{gap:.3rem}.mode-switch{width:100%}.mode-switch button{flex:1}.dialog-actions{flex-direction:column}}.topbar-right{display:flex;align-items:center;gap:.65rem}.session-box{display:flex;align-items:center;gap:.5rem;border:1px solid var(--line);border-radius:999px;padding:.28rem;background:#fff}.avatar{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.82rem;font-weight:700;flex-shrink:0}.session-box .role-badge{text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700;border:1px solid #bfd2ea;border-radius:999px;background:#eef5ff;color:#1f4b7a;padding:.18rem .5rem}.session-box .btn.light{border-radius:999px;font-size:.84rem;padding:.28rem .7rem}.embedded-user-workspace{margin-top:.6rem}.embedded-user-workspace .page-grid{grid-template-columns:260px 1fr 300px}.login-shell{min-height:calc(100dvh - (var(--shell-pad) * 2));display:grid;place-items:center}.welcome-shell{min-height:calc(100dvh - (var(--shell-pad) * 2));display:grid;gap:clamp(.6rem,1.8vw,1rem);align-content:center;justify-items:center}.welcome-card{width:min(980px,calc(100vw - (var(--shell-pad) * 2)));border:1px solid var(--line);border-radius:20px;background:radial-gradient(circle at 0% 0%,#eef8ff 0%,transparent 34%),linear-gradient(180deg,#fff,#fbfdff);padding:clamp(.85rem,2vw,1.4rem);box-shadow:0 18px 40px #0f172a14}.welcome-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:clamp(.85rem,2vw,1.4rem)}.welcome-copy{display:grid;gap:clamp(.7rem,1.6vw,1rem);padding:clamp(.1rem,.9vw,.7rem)}.welcome-pill{width:fit-content;margin:0;padding:.22rem .55rem;border-radius:999px;border:1px solid #b6d7e7;background:#ebf8ff;color:#0f4561;font-size:.8rem;font-weight:700}.welcome-card h1{margin:0;font-size:clamp(1.95rem,3vw,2.7rem);line-height:1.12}.welcome-copy>p{margin:0;color:#4b5b6c;font-size:1.03rem;max-width:48ch}.welcome-actions{display:flex;margin-top:.2rem}.welcome-preview{border:1px solid #dbe8f4;border-radius:16px;background:linear-gradient(180deg,#fff,#fcfeff);padding:clamp(.75rem,1.5vw,1rem);display:grid;gap:.85rem}.welcome-preview header{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.welcome-preview header span{color:var(--muted);font-size:.84rem}.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem}.seat-dot{border-radius:11px;min-height:clamp(38px,6vw,48px);display:grid;place-items:center;color:#fff;font-size:.8rem;font-weight:700}.seat-dot.available{background:var(--available)}.seat-dot.reserved{background:var(--reserved)}.seat-dot.occupied{background:var(--occupied)}.seat-dot.selected{background:var(--selected)}.preview-legend{display:flex;flex-wrap:wrap;gap:.6rem;color:#445366;font-size:.82rem}.preview-legend span{display:inline-flex;align-items:center;gap:.35rem}.welcome-feature-row{width:min(980px,calc(100vw - (var(--shell-pad) * 2)));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.5rem,1.5vw,.8rem)}.welcome-feature-card{border:1px solid #dbe6f1;border-radius:14px;background:linear-gradient(180deg,#fff,#f9fcff);padding:clamp(.65rem,1.6vw,.9rem);display:grid;gap:.3rem}.welcome-feature-card h3{margin:0;font-size:clamp(.95rem,1.5vw,1.03rem)}.welcome-feature-card p{margin:0;color:#546577;font-size:clamp(.84rem,1.3vw,.9rem)}.login-card{width:min(680px,100%);border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff,#f8fbff);padding:1.2rem;box-shadow:0 12px 30px #0f172a14;display:grid;gap:.7rem}.login-card h1{margin:0;font-size:1.35rem}.login-card>p{margin:0;color:var(--muted)}.login-form{display:grid;gap:.8rem}.login-actions{display:flex;gap:.5rem}.login-actions .btn{flex:1 1 50%}.login-form label{display:grid;gap:.35rem;font-size:.95rem}.login-form input{border:1px solid var(--line);border-radius:9px;padding:.55rem .62rem;background:#fff}.role-picker{border:1px solid var(--line);border-radius:12px;padding:.75rem;display:grid;gap:.5rem}.role-picker legend{font-size:.9rem;color:#334155;padding:0 .35rem}.role-card{border:1px solid var(--line);border-radius:11px;background:#fff;text-align:left;padding:.65rem;cursor:pointer;display:grid;gap:.18rem}.role-card span{color:var(--muted);font-size:.88rem}.role-card.active{border-color:#71b7f2;background:#eaf5ff}@media (max-width: 740px){.topbar-right{width:100%;flex-direction:column;align-items:stretch}.session-box{justify-content:space-between}.login-card{padding:.9rem}.welcome-card{padding:.85rem;border-radius:16px}.welcome-copy>p{font-size:.95rem}.welcome-feature-row{grid-template-columns:1fr}}.page-grid.no-sidebar{grid-template-columns:1fr 330px}.page-grid.no-panel{grid-template-columns:300px 1fr}.page-grid.no-sidebar.no-panel{grid-template-columns:1fr}.librarian-head{display:flex;justify-content:space-between;align-items:center;gap:.8rem}.librarian-head h1,.librarian-head p{margin:0}.librarian-grid.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.librarian-subnav{display:flex;gap:.5rem;flex-wrap:wrap}.librarian-tab{border:1px solid var(--line);border-radius:999px;background:#fff;color:#1f2937;padding:.38rem .75rem;cursor:pointer}.librarian-tab.active{border-color:#75b8ef;background:#eaf5ff;color:#0f3256}.librarian-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}.kpi-card{display:flex;flex-direction:column;gap:.25rem;padding:.85rem 1rem;border:1px solid var(--line);border-radius:14px;background:#fff}.kpi-card span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.kpi-card strong{font-size:1.6rem;font-weight:700;line-height:1;color:var(--text)}.library-select-screen{display:grid;gap:.7rem}.library-select-screen h1,.library-select-screen p{margin:0}.library-select-screen input{border:1px solid var(--line);border-radius:9px;padding:.55rem .65rem}.library-pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.library-pick-card{border:1px solid var(--line);border-radius:12px;background:#fff;text-align:left;padding:.7rem;display:grid;gap:.2rem;cursor:pointer}.library-pick-card span,.library-pick-card small{color:var(--muted)}.library-pick-card:hover{border-color:#89b7e9;background:#f0f7ff}@media (max-width: 980px){.welcome-preview{order:-1}.page-grid.no-sidebar,.librarian-overview-grid,.librarian-grid.two-col,.library-pick-grid{grid-template-columns:1fr}.librarian-head{flex-direction:column;align-items:flex-start}}@media (max-width: 480px){.seat{min-height:32px;font-size:.75rem;border-radius:7px}.seat-map{gap:.3rem}.seat-map-wrapper{padding:.6rem}.booking-panel{padding:.65rem}.filters-bar{flex-wrap:wrap;gap:.35rem}.topbar{gap:.5rem}.brand-name{font-size:.9rem}.brand-sub{display:none}.librarian-overview-grid{gap:.45rem}.kpi-card strong{font-size:1.3rem}}.error-boundary-fallback{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.error-boundary-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:2rem 2.5rem;max-width:420px;width:100%;text-align:center;display:grid;gap:1rem}.error-boundary-card h2{margin:0;color:var(--danger)}.error-boundary-msg{margin:0;color:var(--muted);font-size:.92rem;word-break:break-word}
