:root{--bg: #f5f5f5;--surface: #ffffff;--text: #1a1a1a;--text2: #666;--border: #e0e0e0;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--success: #16a34a;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1);--free-color: #16a34a;--busy-color: #dc2626;--booking-mine-bg: #dbeafe;--booking-other-bg: #f3f4f6;--booking-mine-text: #1e40af;--booking-other-text: #333;--slot-hover: #e8f0fe;--free-hover-bg: #e0f2fe;--free-hover-color: #60a5fa;--drag-bg: #bfdbfe;--drag-outline: #3b82f6;--input-bg: #ffffff;--grid-header-bg: #f5f5f5;--time-indicator: #bb4444;--modal-overlay: rgba(0,0,0,.4)}:root[data-theme=dark]{color-scheme:dark;--bg: #0f172a;--surface: rgba(255,255,255,.04);--text: #f8fafc;--text2: #94a3b8;--border: rgba(255,255,255,.08);--primary: #6366f1;--primary-hover: #818cf8;--danger: #ef4444;--success: #22c55e;--shadow: 0 1px 3px rgba(0,0,0,.3);--free-color: #22c55e;--busy-color: #ef4444;--booking-mine-bg: rgba(99,102,241,.2);--booking-other-bg: rgba(255,255,255,.06);--booking-mine-text: #818cf8;--booking-other-text: #94a3b8;--slot-hover: rgba(99,102,241,.08);--free-hover-bg: rgba(99,102,241,.1);--free-hover-color: #818cf8;--drag-bg: rgba(99,102,241,.15);--drag-outline: #6366f1;--input-bg: rgba(255,255,255,.06);--grid-header-bg: rgba(255,255,255,.02);--time-indicator: #ef4444;--modal-overlay: rgba(0,0,0,.6)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}:root[data-theme=dark] body{background:linear-gradient(160deg,#0f172a,#1e1b4b,#0f172a);min-height:100vh}:root[data-theme=dark] body:before{content:"";position:fixed;top:30%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%);pointer-events:none;z-index:0}#app{max-width:1200px;margin:0 auto;padding:16px;overflow-x:auto}.nav{display:flex;align-items:center;gap:16px;padding:12px 16px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:16px;position:relative;z-index:20}:root[data-theme=dark] .nav{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav h1{font-size:1.25rem;font-weight:700;flex:1;letter-spacing:-.01em}.nav-title{font-weight:800;letter-spacing:-.02em}.nav-phonetic{font-size:.75rem;color:var(--text2);font-family:Courier New,monospace;font-weight:400;letter-spacing:0}.nav .user-info{font-size:.875rem;color:var(--text2)}.nav button{background:none;border:1px solid var(--border);padding:6px 12px;border-radius:var(--radius);cursor:pointer;font-size:.875rem;color:var(--text);transition:all .2s ease}.nav button:hover{background:var(--slot-hover);border-color:var(--primary)}.nav-menu{display:flex;align-items:center;gap:12px}.nav-toggle{display:none;font-size:1.5rem;background:none;border:none;cursor:pointer;padding:4px 8px;line-height:1;color:var(--text)}@media(max-width:640px){.nav-menu{display:none;position:absolute;top:100%;right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 4px 12px #00000026;flex-direction:column;padding:8px;z-index:50;min-width:180px}:root[data-theme=dark] .nav-menu{background:#252058;border-color:#ffffff1f}.nav-menu.open{display:flex}.nav-menu .user-info{padding:6px 12px;border-bottom:1px solid var(--border);width:100%;text-align:center}.nav-menu button{width:100%;text-align:left}.nav-toggle{display:block}}.theme-toggle{background:none!important;border:1px solid var(--border)!important;padding:6px 8px!important;cursor:pointer;font-size:1rem!important;line-height:1;transition:all .2s ease}.theme-toggle:hover{background:var(--slot-hover)!important;border-color:var(--primary)!important}.view-tabs{display:flex;gap:8px;margin-bottom:12px}.view-tabs button{padding:8px 16px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);cursor:pointer;font-size:.875rem;color:var(--text);transition:all .2s ease}.view-tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 12px #6366f14d}.view-tabs button:hover:not(.active){background:var(--slot-hover)}.calendar-grid{display:grid;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.grid-header{display:contents;font-weight:600;font-size:.875rem}.grid-header>div{padding:8px;text-align:center;background:var(--grid-header-bg);border-bottom:1px solid var(--border)}.grid-time{grid-column:1}.grid-slot{padding:4px 8px;border-bottom:1px solid var(--border);border-right:1px solid var(--border);font-size:.75rem;min-height:28px;cursor:pointer;transition:background .15s}.grid-slot:hover{background:var(--slot-hover)}.grid-slot.free{color:var(--free-color)}.grid-slot.busy{background:var(--booking-other-bg);color:var(--busy-color);cursor:default}.grid-slot.busy:hover{background:var(--booking-other-bg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--modal-overlay);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);padding:24px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:0 8px 32px #0000004d;min-width:400px}:root[data-theme=dark] .modal{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.modal h2{margin-bottom:16px;font-weight:700;letter-spacing:-.01em}.modal--wide{min-width:min(640px,92vw);max-width:92vw;max-height:90vh;overflow-y:auto}.modal--wide img{border-radius:var(--radius);max-height:60vh;object-fit:contain}#room-modal-map-preview img{max-height:40vh;width:100%;object-fit:contain;display:block}.map-thumb img{display:block}.modal label{display:block;font-size:.875rem;font-weight:600;margin-bottom:4px}.modal input,.modal select{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;margin-bottom:12px;background:var(--input-bg);color:var(--text);transition:border-color .2s ease}.modal input:focus,.modal select:focus{outline:none;border-color:var(--primary)}:root[data-theme=dark] .modal input:focus,:root[data-theme=dark] .modal select:focus{box-shadow:0 0 0 3px #6366f126}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.modal-actions button{padding:8px 16px;border:none;border-radius:var(--radius);cursor:pointer;font-size:.875rem;transition:all .2s ease}.btn-primary{background:var(--primary);color:#fff}:root[data-theme=dark] .btn-primary{background:linear-gradient(135deg,#6366f1,#06b6d4);box-shadow:0 2px 16px #6366f14d}.btn-primary:hover{background:var(--primary-hover)}:root[data-theme=dark] .btn-primary:hover{box-shadow:0 4px 24px #6366f180;transform:translateY(-1px)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)!important}.btn-danger{background:var(--danger);color:#fff}.error{color:var(--danger);font-size:.875rem;margin-bottom:8px}.dur-btns{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}.dur-btn{flex:1 1 0;padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;font-size:.8rem;font-weight:500;text-align:center;transition:all .2s ease}.dur-btn:hover:not(.active){background:var(--slot-hover);border-color:var(--primary)}.dur-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}:root[data-theme=dark] .dur-btn.active{background:linear-gradient(135deg,#6366f1,#06b6d4);box-shadow:0 2px 12px #6366f14d}#modal-duration{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;background:var(--input-bg);color:var(--text)}#modal-duration:focus{outline:none;border-color:var(--primary)}.login-page{max-width:400px;margin:80px auto;background:var(--surface);padding:32px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}:root[data-theme=dark] .login-page{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.login-page h1{margin-bottom:24px;text-align:center;font-weight:700;letter-spacing:-.02em}.login-page label{display:block;font-size:.875rem;font-weight:600;margin-bottom:4px}.login-page input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;margin-bottom:12px;background:var(--input-bg);color:var(--text);transition:border-color .2s ease}.login-page input:focus{outline:none;border-color:var(--primary)}:root[data-theme=dark] .login-page input:focus{box-shadow:0 0 0 3px #6366f126}.login-page button{width:100%;padding:10px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:1rem;transition:all .2s ease}:root[data-theme=dark] .login-page button{background:linear-gradient(135deg,#6366f1,#06b6d4);box-shadow:0 2px 16px #6366f14d}.login-page button:hover{background:var(--primary-hover)}:root[data-theme=dark] .login-page button:hover{box-shadow:0 4px 24px #6366f180;transform:translateY(-1px)}.sso-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:240px;height:40px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:.875rem;font-weight:500;font-family:-apple-system,sans-serif;text-decoration:none;transition:border-color .2s ease}.sso-btn:hover{border-color:var(--primary)}.sso-logo{font-weight:700;font-size:1rem}.date-nav{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.date-nav button{padding:6px 12px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);cursor:pointer;font-size:.875rem;color:var(--text);transition:all .2s ease}.date-nav button:hover{background:var(--slot-hover);border-color:var(--primary)}.date-nav span{font-weight:600}.date-label-wrap{position:relative;display:inline-flex;align-items:center;cursor:pointer}.date-label-wrap:hover{opacity:.8}.date-picker-hidden{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;border:none;background:transparent;color:transparent;cursor:pointer}.date-sep{color:var(--text2);opacity:.5;font-weight:400!important}.quick-day{min-width:58px;text-align:center}.date-nav button.active{background:var(--primary)!important;border-color:var(--primary)!important;color:#fff!important;font-weight:600}@media(max-width:900px){.date-sep,.quick-day{display:none}}.grid-slot-cell[data-busy]{background:var(--booking-other-bg);min-width:0;color:var(--booking-other-text)}.grid-slot-cell[data-busy] .booking-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.grid-slot-cell[data-busy][data-is-mine="1"]{background:var(--booking-mine-bg);color:var(--booking-mine-text)}.grid-slot-cell[data-busy][data-is-mine="1"][data-first]{border-left:3px solid var(--primary)!important;padding-left:5px}:root[data-theme=dark] .grid-slot-cell[data-busy][data-is-mine="1"][data-first]{border-left-color:#818cf8}.grid-slot-cell[data-busy][data-first][data-last]{border-radius:8px 8px 0 0!important}.grid-slot-cell[data-busy][data-first]:not([data-last]){border-radius:8px 8px 0 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var(--border);line-height:1.4;color:var(--text);transition:all .2s ease}.btn-sm:hover{border-color:var(--primary)}.btn-sm.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-sm.btn-secondary{background:var(--bg);color:var(--text)}.btn-sm.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}#occ-prev,#occ-next{width:28px;padding:4px 0!important;text-align:center}.admin-page h2{margin-bottom:16px;font-weight:700;letter-spacing:-.02em}.admin-section{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}:root[data-theme=dark] .admin-section{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.admin-section h3{margin-bottom:12px;font-size:1rem;font-weight:600}.admin-section ul{list-style:none}.admin-section li{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border);font-size:.875rem}.admin-section li:last-child{border:none}.admin-section input{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;margin-right:8px;background:var(--input-bg);color:var(--text);transition:border-color .2s ease}.admin-section input:focus{outline:none;border-color:var(--primary)}:root[data-theme=dark] .admin-section input:focus{box-shadow:0 0 0 3px #6366f126}.admin-section select{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;background:var(--input-bg);color:var(--text)}.admin-section .add-row{display:flex;gap:8px;margin-bottom:12px}.admin-section .add-row button{padding:6px 12px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#00000040}:root[data-theme=dark] ::-webkit-scrollbar{width:8px;height:8px}:root[data-theme=dark] ::-webkit-scrollbar-track{background:transparent}:root[data-theme=dark] ::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}:root[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#ffffff40}*{scrollbar-width:thin}:root[data-theme=dark] *{scrollbar-color:rgba(255,255,255,.15) transparent}*{scrollbar-color:rgba(0,0,0,.15) transparent}.app-footer{padding:40px 16px;border-top:1px solid var(--border);margin-top:24px;max-width:1200px;margin-left:auto;margin-right:auto}.footer-inner{display:flex;align-items:center;justify-content:space-between}.footer-brand{display:flex;align-items:baseline;gap:8px}.footer-logo{font-weight:700;font-size:1rem}.footer-phonetic{font-size:.7rem;color:var(--text2);font-family:Courier New,monospace}.footer-copy{font-size:.8rem;color:var(--text2)}@media(max-width:640px){.footer-inner{flex-direction:column;gap:8px;text-align:center}}:root[data-theme=dark] input[type=date]::-webkit-calendar-picker-indicator,:root[data-theme=dark] input[type=time]::-webkit-calendar-picker-indicator{filter:invert(1);opacity:.6;cursor:pointer}