:root{--plum: #4A1D3B;--plum-dark: #2E0F24;--plum-light: #6D2B55;--gold: #D4AF37;--gold-light: #E8C964;--cream: #FAF6EF;--ink: #2B2330;--muted: #7A6B77;--danger: #B3261E;--ok: #2E7D32;--radius: 12px;--shadow: 0 10px 30px rgba(46, 15, 36, .18)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:linear-gradient(160deg,var(--plum-dark) 0%,var(--plum) 55%,var(--plum-light) 100%)}.page-loading{height:100vh;display:flex;align-items:center;justify-content:center;color:var(--cream);font-size:18px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:400px;background:var(--cream);border-radius:20px;box-shadow:var(--shadow);padding:40px 36px}.login-brand{text-align:center;margin-bottom:28px}.login-brand h1{margin:0;font-size:30px;letter-spacing:.02em;color:var(--plum)}.login-brand h2{margin:2px 0 0;font-size:16px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}.login-sub{margin:10px 0 0;font-size:13px;color:var(--muted)}.login-form{display:flex;flex-direction:column;gap:16px}.login-form label,.booking-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink)}input[type=text],input[type=email],input[type=tel],input[type=password],input[type=date],select,textarea{width:100%;padding:10px 12px;border:1px solid #D9CCD4;border-radius:8px;font-size:15px;background:#fff;color:var(--ink);font-family:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);border-color:transparent}.btn-primary{padding:12px 18px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--plum) 0%,var(--plum-light) 100%);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.btn-primary:hover:not(:disabled){box-shadow:0 6px 16px #4a1d3b59;transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{padding:10px 16px;border:1px solid var(--plum-light);border-radius:8px;background:transparent;color:var(--plum);font-size:14px;font-weight:600;cursor:pointer}.btn-ghost{padding:8px 12px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-size:14px;cursor:pointer}.btn-ghost:hover{background:#0000000f}.form-error{background:#fdecea;color:var(--danger);border:1px solid #F5C6C2;border-radius:8px;padding:10px 12px;font-size:13px}.form-success{background:#e8f5e9;color:var(--ok);border:1px solid #C8E6C9;border-radius:8px;padding:10px 12px;font-size:13px}.login-hint{margin:20px 0 0;text-align:center;font-size:12px;color:var(--muted)}.dashboard{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:#2e0f24d9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:var(--cream);border-bottom:1px solid rgba(212,175,55,.25)}.topbar-brand{display:flex;align-items:center;gap:8px;font-size:16px}.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--gold)}.brand-sub{color:var(--gold);font-size:13px;margin-left:4px}.topbar-user{display:flex;align-items:center;gap:12px}.user-name{font-size:14px;opacity:.9}.dashboard-main{flex:1;width:100%;max-width:1300px;margin:0 auto;padding:24px}.schedule-wrapper{width:100%;overflow-x:auto;padding-bottom:8px}.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.date-input{max-width:180px}.day-badge{margin-left:auto;background:#d4af372e;color:var(--gold-light);border:1px solid rgba(212,175,55,.4);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}.schedule-grid{display:grid;grid-template-columns:90px repeat(3,minmax(260px,1fr));min-width:900px;background:var(--cream);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid #E4D8DE}.sched-header{padding:14px 10px;text-align:center;font-weight:700;font-size:15px;letter-spacing:.04em;background:var(--plum);color:var(--cream);border-bottom:1px solid rgba(212,175,55,.3)}.sched-header.time-header{background:var(--plum-dark);color:var(--gold)}.sched-body{position:relative;height:975px}.time-slot{height:75px;display:flex;align-items:flex-start;justify-content:flex-end;padding-right:10px;padding-top:4px;font-size:13px;color:var(--muted);border-bottom:1px solid #F0E8EE}.hour-line{height:75px;border-bottom:1px solid #F0E8EE}.schedule-col{position:relative}.studio-col{border-left:1px solid #E4D8DE}.sched-block{position:absolute;left:8px;right:8px;border-radius:10px;background:#fff;border-left:5px solid var(--gold);box-shadow:0 3px 8px #2e0f2424;padding:10px 12px;overflow:hidden}.sched-block-name{font-weight:700;font-size:15px;white-space:nowrap}.sched-block-time{font-size:13px;color:var(--muted);margin-top:3px}.sched-block-instructor{font-size:13px;color:var(--muted);margin-top:3px;white-space:nowrap}.sched-block-studio{font-size:12px;font-weight:600;color:var(--plum);margin-top:3px}.sched-block-booking{background:#f5f5f5;border:1px dashed #9E9E9E;border-left:5px solid #9E9E9E}.sched-block-booking .sched-block-name{color:var(--ink)}.sched-block-notes{font-size:13px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sched-block-clickable{cursor:pointer;transition:transform .1s,box-shadow .1s}.sched-block-clickable:hover{transform:translateY(-1px);box-shadow:0 5px 14px #2e0f2438}.schedule-loading{padding:40px;text-align:center;color:var(--cream);font-size:16px}.legend{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:14px;color:var(--cream)}.legend-title{margin-right:4px;opacity:.8}.legend-item{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;font-weight:700;font-size:12px;color:#fff}.legend-a{background:var(--plum-light)}.legend-b{background:var(--gold);color:var(--plum-dark)}.legend-c{background:#8e5ba8}.legend-booking{background:#e0e0e0;color:var(--ink)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14080f8c;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{width:100%;max-width:460px;max-height:92vh;overflow-y:auto;background:var(--cream);border-radius:16px;box-shadow:var(--shadow);padding:24px}.modal-wide{max-width:1080px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.modal-header h3{margin:0;color:var(--plum);font-size:18px}.booking-form{display:flex;flex-direction:column;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.availability-loading{font-size:13px;color:var(--muted);margin:0}.availability-warn{background:#fdecea;color:var(--danger);border:1px solid #F5C6C2;border-radius:8px;padding:10px 12px;font-size:13px;margin:0}.availability-ok{background:#e8f5e9;color:var(--ok);border:1px solid #C8E6C9;border-radius:8px;padding:10px 12px;font-size:13px;margin:0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.timetable-section{display:flex;flex-direction:column;gap:8px}.timetable{display:flex;flex-direction:column;gap:12px}.timetable-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.timetable-days{display:flex;gap:6px;flex-wrap:wrap}.saving-indicator{font-size:12px;color:var(--muted);font-weight:600;margin-left:auto}.timetable-summary{display:flex;flex-direction:column;gap:8px}.drag-ghost{background:var(--plum);color:#fff;border:2px solid var(--gold);box-shadow:0 10px 25px #2e0f2466}.drag-ghost .sched-block-name{color:var(--gold-light)!important}.resize-handle{position:absolute;bottom:0;left:0;right:0;height:10px;cursor:ns-resize;background:transparent}.resize-handle:hover{background:#d4af3759}.sched-block.dragging{opacity:.35}.timetable .sched-block{position:relative;-webkit-user-select:none;user-select:none}.admin-body{display:flex;flex-direction:column;gap:18px}.admin-tabs{display:flex;gap:8px;border-bottom:1px solid #E4D8DE;padding-bottom:10px}.tab-btn{padding:8px 16px;border:1px solid #E4D8DE;border-radius:999px;background:#fff;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer}.tab-btn:hover{border-color:var(--plum-light);color:var(--plum)}.tab-active{background:var(--plum);border-color:var(--plum);color:#fff}.section-title{margin:0;color:var(--plum);font-size:14px}.form-actions{display:flex;align-items:center;gap:10px}.color-picker{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-top:4px}.color-picker input[type=color]{width:40px;height:34px;padding:2px;border:1px solid #D9CCD4;border-radius:6px;background:#fff;cursor:pointer}.color-swatch{width:22px;height:22px;border-radius:6px;border:2px solid transparent;cursor:pointer;padding:0}.color-active{border-color:var(--plum-dark)}.term-select{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;max-width:320px}.schedule-form{display:flex;flex-direction:column;gap:12px;padding:16px;background:#fff;border:1px solid #E4D8DE;border-radius:var(--radius)}.schedule-list{display:flex;flex-direction:column;border:1px solid #E4D8DE;border-radius:var(--radius);overflow:hidden}.schedule-list-header,.schedule-list-row{display:grid;grid-template-columns:1.4fr 1.2fr .8fr 1fr 1fr 120px;gap:8px;padding:10px 12px;align-items:center;font-size:13px}.schedule-list-header{background:var(--plum);color:var(--cream);font-weight:700}.schedule-list-row{border-top:1px solid #F0E8EE;background:#fff}.schedule-list-row:nth-child(2n){background:#fbf7fa}.row-actions{display:flex;gap:6px}.btn-mini{padding:4px 10px;border:1px solid var(--plum-light);border-radius:6px;background:transparent;color:var(--plum);font-size:12px;cursor:pointer}.btn-mini-danger{border-color:var(--danger);color:var(--danger)}.schedule-empty{padding:20px;text-align:center;color:var(--muted);font-size:13px}