:root{--paper: #eef8f4;--paper-2: #e2f2ec;--surface: #ffffff;--surface-2: #f3fbf8;--border: #d4e9e1;--border-strong: #bfddd2;--text: #143029;--muted: #688177;--muted-2: #93a99f;--accent: #14b890;--accent-deep: #0c8f70;--accent-soft: #d6f3ea;--accent-fg: #ffffff;--clay: #f08a6e;--clay-soft: #fde7df;--danger: #e04a45;--danger-soft: #fbe2e1;--sidebar-bg: #103730;--sidebar-bg-2: #0a2823;--sidebar-fg: #a9c6bc;--sidebar-muted: #5e7d73;--sidebar-active: rgba(34, 209, 168, .16);--st-available: #10a37b;--st-available-bg: #d6f3ea;--st-inuse: #2f8fd8;--st-inuse-bg: #e0f0fb;--st-suspend: #df9326;--st-suspend-bg: #faeed4;--st-unavail: #7f97a0;--st-unavail-bg: #e7eef0;--st-reserved: #8763d6;--st-reserved-bg: #ebe3fa;--r-sm: 8px;--r: 12px;--r-lg: 18px;--r-pill: 999px;--sh-sm: 0 1px 2px rgba(13, 71, 58, .05), 0 1px 3px rgba(13, 71, 58, .05);--sh: 0 2px 6px rgba(13, 71, 58, .05), 0 8px 22px rgba(13, 71, 58, .07);--sh-lg: 0 16px 44px rgba(13, 71, 58, .14);--ring: 0 0 0 3px rgba(20, 184, 144, .24);--font-body: "Pretendard", system-ui, -apple-system, "Apple SD Gothic Neo", sans-serif;--font-display: var(--font-body);font-family:var(--font-body);color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--paper);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;letter-spacing:-.005em}::selection{background:var(--accent-soft);color:var(--accent-deep)}:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--r-sm)}.brand-accent{color:var(--accent);font-weight:700}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes softIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(60% 50% at 18% 14%,rgba(20,184,144,.22),transparent 70%),radial-gradient(55% 45% at 86% 88%,rgba(47,143,216,.16),transparent 70%),linear-gradient(160deg,#e8f6f0,#d3ebe2)}.auth-card{width:380px;max-width:100%;background:#fffdf9db;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);border-radius:var(--r-lg);padding:38px 34px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-lg);animation:softIn .5s cubic-bezier(.22,1,.36,1) both}.auth-brand{font-family:var(--font-display);font-size:23px;font-weight:700;letter-spacing:-.02em;margin:0 0 10px;text-align:center;color:var(--text)}.auth-card input{height:46px;padding:0 14px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-size:14px;transition:border-color .15s,box-shadow .15s}.auth-card input:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.auth-card button{height:48px;margin-top:4px;border:none;border-radius:var(--r-sm);background:linear-gradient(180deg,var(--accent) 0%,var(--accent-deep) 100%);color:var(--accent-fg);font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;box-shadow:0 6px 16px #0c8f704d;transition:transform .12s,box-shadow .15s,filter .15s}.auth-card button:hover:not(:disabled){filter:brightness(1.05);box-shadow:0 10px 22px #0c8f7057}.auth-card button:active:not(:disabled){transform:translateY(1px)}.auth-card button:disabled{background:#c4bdb0;box-shadow:none;cursor:not-allowed}.auth-error{color:var(--danger);font-size:13px;margin:0}.auth-hint{color:var(--muted);font-size:12px;margin:2px 0 0;text-align:center;line-height:1.5}.auth-rules{margin:0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.6}.shell{display:flex;height:100vh}.shell-sidebar{width:232px;flex-shrink:0;background:linear-gradient(185deg,var(--sidebar-bg) 0%,var(--sidebar-bg-2) 100%);color:var(--sidebar-fg);display:flex;flex-direction:column;padding:22px 14px;gap:10px}.shell-logo{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.01em;padding:6px 12px 20px;color:#f3f0e8;border-bottom:1px solid rgba(255,255,255,.07)}.shell-logo .brand-accent{color:#2fd6b4}.shell-nav{display:flex;flex-direction:column;gap:22px;overflow-y:auto;margin-top:6px}.nav-group-title{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--sidebar-muted);margin:0 0 8px;padding:0 12px;text-transform:uppercase}.nav-link{display:flex;align-items:center;padding:11px 14px;margin-bottom:2px;color:var(--sidebar-fg);text-decoration:none;font-size:14px;border-radius:var(--r-sm);transition:background .15s,color .15s}.nav-link:hover{background:#ffffff0d;color:#eef1ec}.nav-link.active{background:var(--sidebar-active);color:#fff;font-weight:600;box-shadow:inset 3px 0 #2fd6b4}.shell-main{flex:1;display:flex;flex-direction:column;min-width:0}.shell-header{height:60px;background:#fffdf9d1;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:10}.shell-header-spacer{flex:1}.user-menu{position:relative}.user-menu-trigger{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:8px 16px;cursor:pointer;font-size:14px;font-weight:500;color:var(--text);transition:border-color .15s,box-shadow .15s}.user-menu-trigger:hover{border-color:var(--border-strong);box-shadow:var(--sh-sm)}.user-role{color:var(--muted);font-size:12px}.user-menu-dropdown{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh-lg);display:flex;flex-direction:column;min-width:168px;z-index:20;overflow:hidden;padding:6px;animation:fadeUp .16s ease both}.user-menu-dropdown button{text-align:left;background:none;border:none;padding:11px 14px;border-radius:var(--r-sm);font-size:14px;color:var(--text);cursor:pointer;transition:background .12s}.user-menu-dropdown button:hover{background:var(--accent-soft);color:var(--accent-deep)}.shell-content{flex:1;padding:28px 32px;overflow-y:auto;background:var(--paper);animation:fadeUp .32s ease both}.placeholder{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh-sm)}.placeholder h2{font-family:var(--font-display);margin:0 0 8px}.placeholder-note{color:var(--muted);margin:0}.btn{height:40px;padding:0 18px;border-radius:var(--r-sm);border:1px solid transparent;font-family:inherit;font-size:14px;font-weight:600;letter-spacing:.01em;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:transform .1s,box-shadow .15s,background .15s,filter .15s,border-color .15s}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,var(--accent) 0%,var(--accent-deep) 100%);color:var(--accent-fg);box-shadow:0 3px 10px #0c8f703d}.btn-primary:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 6px 16px #0c8f704d}.btn-ghost{background:var(--surface);border-color:var(--border-strong);color:var(--text)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);border-color:var(--muted-2)}.btn-danger{background:var(--danger);color:#fff;box-shadow:0 3px 10px #c0492f38}.btn-danger:hover:not(:disabled){filter:brightness(1.05)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;font-weight:500;color:var(--muted)}.field-input{height:42px;padding:0 13px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-family:inherit;font-size:14px;color:var(--text);transition:border-color .15s,box-shadow .15s}.field-input::placeholder{color:var(--muted-2)}.field-input:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.field-input.has-error{border-color:var(--danger)}.field-error{color:var(--danger);font-size:12px;margin:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a28236b;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:grid;place-items:center;z-index:50;padding:24px;animation:fadeUp .18s ease both}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);max-width:calc(100vw - 32px);max-height:calc(100vh - 64px);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--sh-lg);animation:softIn .22s cubic-bezier(.22,1,.36,1) both}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-header h3{font-family:var(--font-display);margin:0;font-size:18px;font-weight:700}.modal-close{background:none;border:none;font-size:22px;line-height:1;cursor:pointer;color:var(--muted);width:32px;height:32px;border-radius:var(--r-sm);transition:background .12s,color .12s}.modal-close:hover{background:var(--paper-2);color:var(--text)}.modal-body{padding:22px;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 22px;border-top:1px solid var(--border);background:var(--surface-2)}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:auto;box-shadow:var(--sh-sm)}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{padding:13px 16px;border-bottom:1px solid var(--border);white-space:nowrap}.data-table th{background:var(--surface-2);color:var(--muted);font-weight:600;text-align:left;font-size:12.5px;letter-spacing:.02em;text-transform:uppercase;position:sticky;top:0}.data-table tbody tr{transition:background .12s}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr.clickable{cursor:pointer}.data-table tbody tr.clickable:hover{background:var(--accent-soft)}.table-state{text-align:center;color:var(--muted);padding:36px}.pagination{display:flex;gap:5px;justify-content:center;margin-top:18px}.pagination button{min-width:36px;height:36px;border:1px solid var(--border-strong);background:var(--surface);border-radius:var(--r-sm);cursor:pointer;font-size:13px;color:var(--text);transition:background .12s,border-color .12s}.pagination button:hover:not(:disabled):not(.active){background:var(--surface-2)}.pagination button.active{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.pagination button:disabled{opacity:.45;cursor:not-allowed}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.page-title{font-family:var(--font-display);font-size:25px;font-weight:700;letter-spacing:-.02em;margin:0}.page-actions{display:flex;gap:8px}.toolbar{display:flex;gap:8px;margin-bottom:16px}.toolbar .field-input{max-width:320px}.form-grid{display:flex;flex-direction:column;gap:16px}.radio-row{display:flex;gap:18px}.radio,.checkbox{display:inline-flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}.radio input,.checkbox input,.search-radios input[type=radio]{accent-color:var(--accent)}.checkbox-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 12px}.inline-row{display:flex;align-items:center;gap:8px}.field-ok{color:var(--st-available);font-size:12px;margin:0}.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;padding:0;text-decoration:underline;text-underline-offset:2px;transition:color .12s}.link-btn:hover{color:var(--accent-deep)}.text-danger{color:var(--danger)}.detail{display:flex;flex-direction:column;gap:20px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin:0}.detail-grid dt{color:var(--muted);font-size:12px;margin-bottom:3px}.detail-grid dd{margin:0;font-size:14px}.detail-full{grid-column:1 / -1}.detail-section-title{font-family:var(--font-display);margin:0 0 10px;font-size:17px;font-weight:700}.row-actions{display:flex;gap:10px}.link-btn.danger{color:var(--danger)}.field-input option{color:var(--text)}select.field-input{background:var(--surface);cursor:pointer}.master-detail{display:grid;grid-template-columns:1fr 1fr;gap:18px}.md-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm)}.md-col-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);background:var(--surface-2)}.md-col-head h3{font-family:var(--font-display);margin:0;font-size:16px;font-weight:700}.md-list{list-style:none;margin:0;padding:0;max-height:60vh;overflow-y:auto}.md-item{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--border);cursor:pointer;font-size:14px;transition:background .12s}.md-item:last-child{border-bottom:none}.md-item:hover{background:var(--surface-2)}.md-item.active{background:var(--accent-soft);font-weight:600;box-shadow:inset 3px 0 0 var(--accent)}.md-empty{padding:26px 18px;color:var(--muted);text-align:center;font-size:14px}.form-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.district-picker{display:flex;flex-direction:column;gap:8px}.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{display:inline-flex;align-items:center;gap:4px;background:var(--accent-soft);color:var(--accent-deep);border-radius:var(--r-pill);padding:4px 12px;font-size:13px;font-weight:500}.chip button{background:none;border:none;cursor:pointer;color:var(--accent-deep);font-size:14px;line-height:1;padding:0}.toolbar-wrap{flex-wrap:wrap;align-items:center}.toolbar-wrap .field-input{max-width:180px}.toolbar-sep{color:var(--muted-2)}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:20px}.tab{background:none;border:none;padding:11px 18px;font-family:inherit;font-size:14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.section-head .detail-section-title{margin:0}.usage-board{display:grid;grid-template-columns:296px minmax(0,1fr) 312px;gap:22px;align-items:start}.board-section-title{font-family:var(--font-display);font-size:16px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px}.board-section-title:before{content:"";width:4px;height:16px;border-radius:var(--r-pill);background:var(--accent)}@media (max-width: 1180px){.usage-board{grid-template-columns:1fr}}.board-customer{border:1px solid var(--border);border-radius:var(--r-lg);padding:18px;background:var(--surface);box-shadow:var(--sh-sm)}.customer-search{margin-bottom:14px}.search-radios{display:flex;gap:18px;font-size:13px;margin-bottom:10px}.search-radios label{display:inline-flex;align-items:center;gap:5px;cursor:pointer}.search-row{display:flex;gap:8px}.search-row .field-input{flex:1;min-width:0}.customer-result{width:100%;border-collapse:collapse;font-size:13px}.customer-result th,.customer-result td{padding:10px 6px;border-bottom:1px solid var(--border);text-align:left}.customer-result th{color:var(--muted);font-weight:600;font-size:11.5px;letter-spacing:.02em;text-transform:uppercase}.customer-result tbody tr:last-child td{border-bottom:none}.customer-result td.table-state{text-align:center;color:var(--muted);padding:22px 6px}.customer-result .link-btn{padding:0;font-size:13.5px;font-weight:600;color:var(--text);text-decoration:none;border-bottom:1px solid var(--border-strong)}.customer-result .link-btn:hover{color:var(--accent);border-bottom-color:var(--accent)}.customer-result .cs-inuse{color:var(--st-inuse);font-weight:600}.customer-result .cs-ended{color:var(--muted);font-weight:600}.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(186px,1fr));grid-auto-rows:1fr;gap:14px;align-items:stretch}.room-card{position:relative;min-height:152px;border:1px solid var(--border);border-radius:var(--r);padding:16px;background:var(--surface);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .14s,box-shadow .16s,border-color .16s}.room-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--muted-2)}.room-card.clickable{cursor:pointer}.room-card.clickable:hover{transform:translateY(-2px);box-shadow:var(--sh);border-color:var(--border-strong)}.room-card-head{display:flex;align-items:center;justify-content:space-between}.room-name{font-weight:700;font-size:15px}.room-type{font-size:11px;color:var(--muted);background:var(--paper-2);padding:2px 8px;border-radius:var(--r-pill)}.room-state{display:inline-flex;align-items:center;font-size:12px;font-weight:600;margin-top:10px;padding:3px 11px;border-radius:var(--r-pill)}.room-body{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.room-customer{font-weight:700;font-size:14px}.room-meta{font-size:12px;color:var(--muted);margin-top:3px}.ls-available:before{background:var(--st-available)}.ls-available .room-state{color:var(--st-available);background:var(--st-available-bg)}.ls-inuse:before{background:var(--st-inuse)}.ls-inuse .room-state{color:var(--st-inuse);background:var(--st-inuse-bg)}.ls-suspended:before{background:var(--st-suspend)}.ls-suspended .room-state{color:var(--st-suspend);background:var(--st-suspend-bg)}.ls-unavailable{background:var(--surface-2)}.ls-unavailable:before{background:var(--st-unavail)}.ls-unavailable .room-state{color:var(--st-unavail);background:var(--st-unavail-bg)}.ls-reserved:before{background:var(--st-reserved)}.ls-reserved .room-state{color:var(--st-reserved);background:var(--st-reserved-bg)}.board-devices .board-section-title:before{background:var(--st-inuse)}.device-panel{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-sm);overflow:hidden}.device-filter{display:flex;gap:8px;padding:14px;border-bottom:1px solid var(--border)}.device-filter select.field-input{flex:0 0 96px;padding:0 8px}.device-filter input.field-input{flex:1;min-width:0}.device-table-wrap{max-height:60vh;overflow-y:auto}.device-table{width:100%;border-collapse:collapse;font-size:13px}.device-table th,.device-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left}.device-table th{position:sticky;top:0;background:var(--surface-2);color:var(--muted);font-weight:600;font-size:11.5px;letter-spacing:.02em;text-transform:uppercase}.device-table tbody tr:last-child td{border-bottom:none}.device-table tbody tr:hover{background:var(--surface-2)}.device-table td:first-child{color:var(--muted);white-space:nowrap}.device-table .device-name{font-weight:600}.device-state{display:inline-flex;font-size:11.5px;font-weight:600;padding:2px 10px;border-radius:var(--r-pill)}.device-state.ds-available{color:var(--st-available);background:var(--st-available-bg)}.device-state.ds-inuse{color:var(--st-inuse);background:var(--st-inuse-bg)}.device-state.ds-unavailable{color:var(--st-unavail);background:var(--st-unavail-bg)}.device-count{margin:0;padding:10px 14px;font-size:12px;color:var(--muted);border-top:1px solid var(--border);background:var(--surface-2);text-align:right}