:root{--green:#0b5a44;--yellow:#f8b810;--bg:#f6f8f7;--card:#fff;--line:#e4e9e6;--text:#18221e;--muted:#6d7772;--soft-green:#eaf6f1;--soft-yellow:#fff7da;--danger:#b42318;--soft-danger:#fff0ef}*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}.app{min-height:100vh}.topbar{position:sticky;top:0;z-index:50;background:#f6f8f7f5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.topbar-inner{max-width:1800px;margin:auto;padding:6px 12px;white-space:nowrap}.topbar-grid{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px}.topbar-group{min-width:0;display:flex;align-items:center}.identity-group{justify-content:flex-start}.indicators-group{justify-content:center;overflow:hidden}.day-group{justify-content:flex-end;gap:6px}.brand{display:flex;align-items:center;gap:7px;flex:0 0 auto}.brand img{width:32px;height:32px;object-fit:contain;background:transparent;border-radius:0;padding:0}.brand-icon-image{display:block}.brand h1{font-size:14px;margin:0;color:var(--green)}.status-inline{display:flex;align-items:center;gap:7px;flex-wrap:nowrap;font-size:10px;color:var(--muted)}.status-item{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.status-sep{width:1px;height:12px;background:var(--line)}.pill{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border-radius:999px;font-size:10px;border:1px solid var(--line);background:#fff}.pill.current{background:var(--soft-green);border-color:#b9d8cb;color:var(--green)}.pill.past{background:#f3f4f4;color:#5f6763}.pill.future{background:#f8f8f8;color:#727875}.pill.done{background:var(--soft-yellow);border-color:#ebcf72;color:#6a5100}.dot{width:8px;height:8px;border-radius:2px;display:inline-block}.dot.green{background:var(--green)}.dot.yellow{background:var(--yellow)}.dot.red{background:var(--danger)}.legend-mark{width:6px;height:6px;border-radius:2px}.legend-mark.main{background:var(--green)}.legend-mark.extra{background:var(--yellow)}.day-controls{display:flex;gap:4px;align-items:center;flex:0 0 auto}.nav-arrow{width:26px;height:26px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:18px;line-height:1;color:var(--green)}.nav-date{height:26px;border:0;background:transparent;color:var(--green);font-weight:600;font-size:11px;padding:0 4px;cursor:pointer;min-width:150px;text-align:center}.btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer;color:var(--text)}.btn:hover{border-color:#cbd5d0}.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.btn.yellow{background:var(--yellow);border-color:var(--yellow);font-weight:700}.btn:disabled{opacity:.45;cursor:not-allowed}.compact-action{padding:6px 9px;font-size:11px;font-weight:600;border-radius:8px}.content{max-width:1800px;margin:auto;padding:6px 16px 0}.mobile-grade-strip{display:none;gap:7px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}.mobile-grade-strip::-webkit-scrollbar{display:none}.grade-chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;cursor:pointer;font-weight:700}.grade-chip.active{background:var(--green);color:#fff;border-color:var(--green)}.table-wrap{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:auto;height:calc(100vh - 78px);min-height:0;cursor:grab;-webkit-user-select:none;user-select:none}.table-wrap.dragging{cursor:grabbing}.table-wrap input,.table-wrap button,.table-wrap textarea,.table-wrap select,.table-wrap a,.table-wrap label{-webkit-user-select:auto;user-select:auto}table{border-collapse:separate;border-spacing:0;min-width:1800px;width:100%}th,td{border-left:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top}thead th{position:sticky;top:0;z-index:20;background:#fbfcfb;padding:11px;text-align:center}thead th:first-child{right:0;z-index:35}.period-col{position:sticky;right:0;z-index:15;background:#fbfcfb;width:72px;min-width:72px;padding:12px}.period-title{font-weight:800;color:var(--green);font-size:12px;text-align:center}.grade-title{font-weight:800;position:relative;padding-bottom:4px}.grade-title:after{content:"";height:3px;border-radius:2px;background:var(--yellow);position:absolute;right:28%;left:28%;bottom:-7px}.cell{min-width:172px;padding:6px;background:#fff}.cell.empty{background:#f7f8f8}.slot{border:1px solid var(--line);border-radius:10px;padding:6px 5px;background:#fff;margin-bottom:6px;text-align:center}.slot.main{border-color:#0b5a449e}.slot.extra{border-color:#f8b810e6}.slot:last-child{margin-bottom:0}.teacher{font-weight:800;line-height:1.25;font-size:14px;text-align:center}.teacher.strike{text-decoration:line-through;color:#8b9490;font-weight:600}.subject{font-size:11px;color:var(--green);font-weight:700;margin-top:1px;text-align:center;display:flex;justify-content:center;align-items:center;gap:5px;flex-wrap:wrap}.reserve-badge{display:inline-block;background:var(--soft-yellow);border:1px solid #efd46f;color:#6d5200;border-radius:999px;padding:1px 5px;font-size:9px}.original-line{margin-top:3px;font-size:10px;color:#89928e;text-align:center}.time-row{display:flex;align-items:center;justify-content:center;gap:5px;margin-top:6px;direction:rtl}.time-label{font-size:11px;color:var(--muted)}.time-box{display:inline-flex;align-items:center;direction:ltr;border:1px solid #cfd7d3;border-radius:8px;background:#fff;overflow:hidden;height:30px}.hour{font-weight:800;padding:0 7px;font-size:13px}.colon{font-weight:700;color:#7b8580}.minute{width:38px;border:0;border-left:1px solid #d8ddda;border-radius:0;padding:5px 4px;text-align:center;outline:none;background:#fff;height:100%}.minute:focus{box-shadow:inset 0 0 0 1px var(--green)}.minute.saved{background:var(--soft-green);color:var(--green);font-weight:800}.time-box.saved-box{background:var(--soft-green);border-color:#9ccbb9;color:var(--green)}.time-box.saved-box .hour{color:var(--green)}.actions-toggle{margin-top:5px;width:100%;display:flex;align-items:center;justify-content:center;gap:5px;border:0;background:transparent;color:var(--muted);font-size:11px;cursor:pointer;padding:4px}.actions-toggle .chev{transition:transform .15s ease}.actions-toggle.open .chev{transform:rotate(180deg)}.actions{display:none;flex-wrap:wrap;gap:5px;margin-top:4px}.actions.open{display:flex}.mini{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 7px;font-size:11px;cursor:pointer}.mini.active{background:var(--soft-yellow);border-color:#e8c95d;color:#6a5000;font-weight:700}.mini.missing{background:var(--soft-danger);border-color:#efb6b1;color:var(--danger);font-weight:700}.mini:disabled{opacity:.4;cursor:not-allowed}.action-indicators{display:flex;gap:4px;align-items:center}.action-indicators .tiny{width:5px;height:5px;border-radius:50%;background:var(--yellow)}.cancelled-pill{margin-top:8px;background:var(--soft-danger);color:var(--danger)}.bottom-actions{display:flex;justify-content:flex-end;gap:8px;align-items:center;margin-top:0;min-height:16px;line-height:16px;padding:0;flex-wrap:wrap}.missing-summary{margin-left:auto;font-size:11px;color:var(--muted);line-height:16px}.toast{position:fixed;left:18px;bottom:18px;z-index:100;background:#17231f;color:#fff;padding:11px 14px;border-radius:10px;box-shadow:0 10px 30px #0000002e;display:none}.toast.show{display:block}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;z-index:80;display:none;align-items:center;justify-content:center;padding:18px}.modal-backdrop.show{display:flex}.modal{width:min(680px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 20px 70px #0000002e}.modal-head{padding:14px 16px;border-bottom:1px solid var(--line)}.modal-meta{font-size:11px;color:var(--green);font-weight:700;white-space:nowrap;overflow:auto}.modal-body{padding:16px}.modal-foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.choice{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:12px;padding:11px;margin-bottom:8px}.choice small{display:block;color:var(--muted);margin-top:2px}.form-row{margin-bottom:12px}.form-row label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}textarea,select,.text-input{width:100%;border:1px solid #cfd7d3;border-radius:10px;padding:10px;outline:none;background:#fff}textarea:focus,select:focus,.text-input:focus{border-color:var(--green)}.full{width:100%;margin-top:8px}.top-gap{margin-top:10px}.modal-warning{color:var(--danger);font-weight:800;margin-bottom:10px}.user-menu-wrap{position:relative;flex:0 0 auto;margin-inline-start:2px}.user-chip{height:28px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:0 9px;display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;color:var(--text);cursor:pointer}.user-chip:hover{border-color:#c6cfca;background:#fbfcfb}.user-chevron{font-size:10px;color:var(--muted)}.user-dropdown{position:absolute;top:calc(100% + 5px);left:0;z-index:120;min-width:150px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:7px;box-shadow:0 10px 28px #0000001f}.user-role{padding:7px 8px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);margin-bottom:5px}.logout-btn{width:100%;border:0;background:transparent;border-radius:7px;padding:8px;text-align:right;font-size:11px;color:#9f2d25;cursor:pointer}.logout-btn:hover{background:var(--soft-danger)}.mobile-list{display:none}@media(max-width:1100px){.topbar-grid{grid-template-columns:auto auto auto;gap:8px;overflow-x:auto}.indicators-group{justify-content:flex-start;overflow:visible}.status-inline{gap:5px}.nav-date{min-width:130px}}@media(max-width:760px){.content{padding:10px 10px 0}.topbar-inner{padding:6px 8px}.topbar-grid{display:flex;align-items:center;gap:6px;overflow-x:auto}.identity-group,.indicators-group,.day-group{flex:0 0 auto}.brand img{width:28px;height:28px}.brand h1{font-size:12px}.status-inline{font-size:9px;gap:5px}.pill{font-size:9px;padding:3px 6px}.nav-date{min-width:115px;font-size:9px}.compact-action{font-size:10px;padding:5px 7px}.mobile-grade-strip{display:flex}.table-wrap{display:none;height:auto;min-height:0}.mobile-list{display:block}.mobile-card{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:10px;overflow:hidden}.mobile-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;padding:10px 12px;background:#fbfcfb;border-bottom:1px solid var(--line)}.mobile-card-head b{color:var(--green)}.mobile-card-head .time{font-size:12px;color:var(--muted);direction:ltr}.mobile-card .slot{border-radius:0;margin:0;border-right:0;border-left:0;border-top:0;border-bottom-style:solid;padding:11px 12px}.mobile-card .slot.main{border-bottom-color:#0b5a4499}.mobile-card .slot.extra{border-bottom-color:#f8b810e6}.actions{grid-template-columns:repeat(4,minmax(0,1fr));display:none}.actions.open{display:grid}.mini{padding:7px 3px;white-space:nowrap}.bottom-actions{min-height:16px;line-height:16px;margin-top:0;padding:0}.user-chip{height:26px;font-size:10px;padding:0 7px}.user-dropdown{min-width:135px}}.reserve-subject-step{display:grid;gap:12px}.selected-reserve-teacher{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--soft-green);border:1px solid #b9d8cb;border-radius:12px;padding:11px 12px}.selected-reserve-teacher small{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}.selected-reserve-teacher strong{display:block;color:var(--green);font-size:16px}.change-teacher-btn{border:1px solid #b9d8cb;background:#fff;color:var(--green);border-radius:8px;padding:7px 9px;font-size:11px;cursor:pointer}.reserve-subject-title{margin:0}.subject-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.subject-choice{border:1px solid var(--line);background:#fff;border-radius:11px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;font-weight:700}.subject-choice.selected{border-color:var(--green);background:var(--soft-green);color:var(--green)}.flow-choice{min-height:50px}.flow-choice-controls{display:flex;align-items:center;gap:10px}.early-exit-time{display:flex;align-items:center;gap:6px}.early-time-label{font-size:10px;color:var(--muted);white-space:nowrap}.flow-choice .time-box{height:30px}.flow-choice .minute{width:38px}.flow-choice.early-active{border-color:#d7b647;background:#fffdf6}@media(max-width:760px){.subject-choice-grid{grid-template-columns:1fr}.selected-reserve-teacher{align-items:flex-start}.flow-choice{align-items:center}.early-time-label{display:none}}