/* منظم جداول حِبر — كل الأنماط محصورة داخل tt-root. */
.tt-root{
  --tt-accent:#176f62;
  --tt-accent-deep:#0d544b;
  --tt-gold:#d89a2b;
  --tt-focus:#7a4800;
  --tt-ink:#17212b;
  --tt-muted:#5d6974;
  --tt-card:#fff;
  --tt-soft:#f3f8f6;
  --tt-line:#d8e2de;
  --tt-danger:#a53b3b;
  --tt-warning:#8b5a0a;
  --tt-success:#176f43;
  color:var(--tt-ink);
  direction:inherit;
  min-width:0;max-width:100%;
}
.tt-root *{box-sizing:border-box}
.tt-root button,.tt-root input,.tt-root select,.tt-root textarea{font:inherit}
.tt-root button{touch-action:manipulation}
.tt-root button:focus-visible,.tt-root input:focus-visible,.tt-root select:focus-visible,
.tt-root textarea:focus-visible,.tt-root summary:focus-visible,.tt-root [tabindex]:focus-visible{
  outline:3px solid var(--tt-focus);outline-offset:3px
}
.tt-file-label:focus-within{outline:3px solid var(--tt-focus);outline-offset:3px}
.tt-root .wrap,.tt-shell,.tt-panel,.tt-card{min-width:0;max-width:100%}
.tt-shell{display:grid;gap:16px;padding-bottom:40px}
.tt-hero{display:block;padding:10px 2px 4px;border:0;background:transparent;box-shadow:none}
.tt-hero h2{font-size:clamp(26px,4vw,39px);line-height:1.2;margin:3px 0 8px}
.tt-hero p{margin:0;color:var(--tt-muted);max-width:760px;line-height:1.75}
.tt-eyebrow{font-size:12px!important;font-weight:850;color:var(--tt-accent-deep)!important;letter-spacing:.02em}
.tt-actions,.tt-inline-actions,.tt-panel-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tt-actions{padding:11px;border:1px solid var(--tt-line);border-radius:16px;background:var(--tt-card)}
.tt-action-hint{margin:-8px 2px 0;color:var(--tt-muted);font-size:13px;line-height:1.65}
.tt-action-hint[hidden]{display:none}
.tt-shell.is-busy .tt-file-label{pointer-events:none;color:var(--tt-muted);background:var(--tt-soft);border-color:var(--tt-line)}
.tt-root button,.tt-file-label{
  border:1px solid #c8d4d0;background:#fff;color:var(--tt-ink);border-radius:11px;
  padding:9px 13px;cursor:pointer;font-weight:750;min-height:42px
}
.tt-root button:hover,.tt-file-label:hover{border-color:var(--tt-accent);background:var(--tt-soft)}
.tt-root button.primary,.tt-file-label.primary{background:var(--tt-accent);border-color:var(--tt-accent);color:#fff}
.tt-root button.primary:hover,.tt-file-label.primary:hover{background:var(--tt-accent-deep)}
.tt-root button.danger{color:var(--tt-danger);border-color:#e3bcbc}
.tt-root button.quiet{border-color:transparent;background:transparent;color:var(--tt-muted)}
.tt-root button.small{min-height:34px;padding:6px 9px;font-size:12px}
.tt-root button[hidden],.tt-main-tabs[hidden],.tt-main-tabs button[hidden]{display:none!important}
.tt-root button:disabled,.tt-root button[aria-disabled="true"]{opacity:1;cursor:default;pointer-events:none;border-color:transparent!important;background:var(--tt-soft)!important;color:var(--tt-muted)!important;box-shadow:none!important}
.tt-file-label{display:inline-grid;place-items:center}
.tt-file-label input{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip:rect(0 0 0 0)}
.tt-main-tabs{
  position:sticky;top:8px;z-index:32;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px;
  padding:8px;border:1px solid var(--tt-line);border-radius:17px;
  background:color-mix(in srgb,var(--paper,#fbfaf7) 90%,transparent);backdrop-filter:blur(13px);
  box-shadow:0 7px 22px rgba(20,32,43,.07)
}
.tt-main-tabs button{min-width:0;border-color:transparent;background:transparent;color:var(--tt-muted);white-space:normal;padding:10px 6px}
.tt-main-tabs button.on{background:var(--tt-accent);border-color:var(--tt-accent);color:#fff}
.tt-panel{display:grid;gap:16px}
.tt-setup-details{display:grid;gap:16px;min-width:0}.tt-setup-details[hidden]{display:none!important}
.tt-card{background:var(--tt-card);border:1px solid var(--tt-line);border-radius:19px;padding:21px;box-shadow:0 7px 24px rgba(20,32,43,.045)}
.tt-import-start{border-color:color-mix(in srgb,var(--tt-accent) 35%,var(--tt-line));background:var(--tt-soft)}
.tt-onboarding{border-color:color-mix(in srgb,var(--tt-accent) 42%,var(--tt-line));background:linear-gradient(145deg,color-mix(in srgb,var(--tt-soft) 82%,#fff),var(--tt-card));box-shadow:0 16px 44px rgba(23,111,98,.09)}
.tt-onboarding .tt-card-head{align-items:center}.tt-onboarding .tt-card-head p{max-width:650px}
.tt-disclosure{padding:0;overflow:hidden}
.tt-disclosure>summary{display:flex;align-items:center;min-height:58px;padding:16px 20px;cursor:pointer;list-style:none;color:var(--tt-ink)}
.tt-disclosure>summary::-webkit-details-marker{display:none}
.tt-disclosure>summary::after{content:"＋";margin-inline-start:auto;color:var(--tt-accent-deep);font-size:22px;line-height:1}
.tt-disclosure[open]>summary::after{content:"−"}
.tt-disclosure>summary span{display:grid;gap:3px}.tt-disclosure>summary strong{font-size:17px}.tt-disclosure>summary small{color:var(--tt-muted);font-size:12px;font-weight:500;line-height:1.5}
.tt-disclosure-body{display:grid;gap:16px;padding:0 20px 20px;border-top:1px solid var(--tt-line)}
.tt-disclosure-body>.tt-panel-actions{padding-top:16px}
.tt-subcard{min-width:0;padding-top:18px;border-top:1px solid var(--tt-line)}
.tt-subcard:first-of-type{border-top:0}
.tt-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:17px}
.tt-card-head h3,.tt-card-head h4{margin:0 0 5px;line-height:1.3}
.tt-card-head h3{font-size:21px}.tt-card-head h4{font-size:17px}
.tt-card-head p,.tt-note{margin:0;color:var(--tt-muted);font-size:13px;line-height:1.7}
.tt-rule-box{min-width:0;border:1px solid #bfd6cf;border-radius:14px;background:var(--tt-soft);padding:14px}
.tt-rule-box legend{padding:0 7px;color:var(--tt-accent-deep);font-weight:850}
.tt-rule-box [data-distribution-panel]{margin:10px 0}.tt-rule-box [data-distribution-panel][hidden]{display:none}
.tt-root input[readonly]{background:#edf2f0;color:var(--tt-muted)}
.tt-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.tt-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.tt-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.tt-root label{display:grid;gap:6px;font-size:13px;font-weight:750;color:var(--tt-muted)}
.tt-root input:not([type="checkbox"]):not([type="radio"]):not([type="color"]),
.tt-root select,.tt-root textarea{
  width:100%;min-height:43px;border:1px solid #c8d4d0;border-radius:10px;background:#fff;color:var(--tt-ink);padding:9px 11px
}
.tt-root textarea{resize:vertical;line-height:1.7;min-height:92px}
.tt-root input[type="color"]{width:100%;height:43px;border:1px solid #c8d4d0;border-radius:10px;background:#fff;padding:4px}
.tt-check{display:flex!important;align-items:center;gap:8px!important;min-height:42px;color:var(--tt-ink)!important}
.tt-check input{width:19px;height:19px;accent-color:var(--tt-accent)}
.tt-days{display:flex;gap:7px;flex-wrap:wrap}
.tt-day-choice{display:flex!important;align-items:center;gap:6px!important;border:1px solid var(--tt-line);border-radius:10px;padding:8px 10px;color:var(--tt-ink)!important;background:#fff}
.tt-day-choice input{accent-color:var(--tt-accent)}
.tt-day-period-option{display:grid;gap:9px;margin-top:14px;padding:13px;border:1px solid var(--tt-line);border-radius:13px;background:var(--tt-soft)}
.tt-day-period-option>[hidden]{display:none!important}
.tt-day-period-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:9px;margin-top:9px}
.tt-day-period-grid input:disabled{opacity:.58;cursor:not-allowed}
.tt-quick-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.tt-step{border:1px solid var(--tt-line);border-radius:15px;padding:15px;background:var(--tt-soft)}
.tt-step strong{display:block;color:var(--tt-accent-deep);margin-bottom:5px}
.tt-step span{font-size:12px;color:var(--tt-muted);line-height:1.65}
.tt-bulk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.tt-bulk-grid textarea{min-height:130px}
.tt-subtabs{display:flex;gap:7px;overflow:auto;padding:2px 1px 8px;scrollbar-width:thin}
.tt-subtabs button{flex:0 0 auto}
.tt-subtabs button.on{background:var(--tt-accent);color:#fff;border-color:var(--tt-accent)}
.tt-resource-layout{display:grid;grid-template-columns:minmax(270px,.75fr) minmax(0,1.25fr);gap:14px;align-items:start}
.tt-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.tt-list-item{display:flex;align-items:center;gap:10px;border:1px solid var(--tt-line);border-radius:12px;padding:10px;background:#fff}
.tt-list-item .tt-item-copy{flex:1;min-width:0;display:grid;gap:2px}
.tt-list-item strong{overflow-wrap:anywhere}
.tt-list-item small{color:var(--tt-muted);line-height:1.5}
.tt-color{width:13px;height:34px;border-radius:6px;flex:0 0 auto;background:var(--tt-accent)}
.tt-empty{padding:24px 12px;border:1px dashed #b8c9c3;border-radius:13px;text-align:center;color:var(--tt-muted);line-height:1.7}
.tt-guided-empty{display:grid;justify-items:center;gap:8px;padding:36px 20px;border-style:solid;background:var(--tt-soft)}
.tt-guided-empty h3{margin:0;color:var(--tt-ink);font-size:19px}.tt-guided-empty p{max-width:520px;margin:0 0 7px}.tt-guided-empty button{min-width:150px}
.tt-empty-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--tt-card);border:1px solid var(--tt-line);color:var(--tt-accent-deep);font-weight:900}
.tt-table-wrap{min-width:0;max-width:100%;overflow:auto;border:1px solid var(--tt-line);border-radius:13px}
.tt-table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
.tt-table th,.tt-table td{padding:10px;border-bottom:1px solid var(--tt-line);text-align:start;vertical-align:top;font-size:12px}
.tt-table th{position:sticky;top:0;background:#edf6f3;color:var(--tt-accent-deep);z-index:2;white-space:nowrap}
.tt-table tr:last-child td{border-bottom:none}
.tt-table td .tt-inline-actions{min-width:150px}
.tt-chip{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 8px;background:#eaf4f1;color:var(--tt-accent-deep);font-size:11px;font-weight:750;margin:2px}
.tt-chip.warn{background:#fff0ce;color:#704600}.tt-chip.danger{background:#fce7e7;color:#873333}.tt-chip.ok{background:#e2f4e9;color:#135c35}
.tt-schedule-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:end}
.tt-schedule-wrap{min-width:0;max-width:100%;overflow:auto;border:1px solid var(--tt-line);border-radius:15px;background:#fff;overscroll-behavior-x:contain}
.tt-schedule{border-collapse:separate;border-spacing:0;width:100%;min-width:940px;table-layout:fixed}
.tt-schedule th,.tt-schedule td{border-inline-start:1px solid var(--tt-line);border-bottom:1px solid var(--tt-line);vertical-align:top}
.tt-schedule thead th{position:sticky;top:0;z-index:4;background:#eaf4f1;padding:10px;color:var(--tt-accent-deep)}
.tt-schedule thead th:first-child{inset-inline-start:0;z-index:6;width:125px;border-inline-start:none}
.tt-schedule tbody th{position:sticky;inset-inline-start:0;z-index:3;background:#f7faf9;border-inline-start:none;padding:10px;font-size:12px;text-align:start;color:var(--tt-ink)}
.tt-slot{min-height:118px;padding:6px;background:#fff;transition:background .15s}
.tt-no-school-period{padding:10px;background:#eef1f0;color:var(--tt-muted);text-align:center;vertical-align:middle!important;font-size:11px;font-weight:750}
.tt-slot[data-can-place="true"]{background:#f4fbf8;cursor:pointer}
.tt-slot[data-can-place="true"]:hover{box-shadow:inset 0 0 0 2px var(--tt-accent)}
.tt-slot.drag-over{background:#dff2eb;box-shadow:inset 0 0 0 3px var(--tt-accent)}
.tt-slot-add{width:100%;min-height:34px!important;padding:5px!important;border-style:dashed!important;color:var(--tt-accent-deep)!important;font-size:11px!important}
.tt-lesson-card{display:grid;gap:8px;margin-bottom:6px;padding:11px;border:1px solid color-mix(in srgb,var(--lesson-color,#176f62) 45%,var(--tt-line));border-inline-start:4px solid var(--lesson-color,#176f62);border-radius:12px;background:color-mix(in srgb,var(--lesson-color,#176f62) 7%,var(--tt-card));box-shadow:none;overflow-wrap:anywhere}
.tt-lesson-card[draggable="true"]{cursor:grab}.tt-lesson-card[draggable="true"]:active{cursor:grabbing}
.tt-lesson-card.swap-source{outline:3px solid var(--tt-gold);outline-offset:2px;background:color-mix(in srgb,var(--tt-gold) 18%,#fff)}
.tt-lesson-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.tt-lesson-head>strong{font-size:14px;line-height:1.45}
.tt-lesson-badges{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px}.tt-lesson-badges span{padding:2px 6px;border-radius:999px;background:var(--tt-soft);color:var(--tt-muted);font-size:10px;font-weight:750}
.tt-lesson-meta{font-size:12px;color:var(--tt-muted);line-height:1.55}
.tt-lesson-menu{border-top:1px solid var(--tt-line);padding-top:6px}.tt-lesson-menu summary{min-height:36px;display:flex;align-items:center;color:var(--tt-accent-deep);font-size:12px;font-weight:800;cursor:pointer}
.tt-lesson-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding-top:6px}.tt-lesson-actions button{min-height:38px;padding:7px 8px;font-size:12px}
.tt-unplaced{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}
.tt-unplaced-item{display:grid;gap:10px;border:1px solid var(--tt-line);border-radius:12px;padding:12px;background:var(--tt-card)}
.tt-unplaced-item.on{border-color:var(--tt-accent);background:#e6f4ef}
.tt-unplaced-copy{display:grid;gap:3px}.tt-unplaced-copy small{color:var(--tt-muted)}
.tt-unplaced-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.tt-unplaced-actions button{min-height:40px;padding:7px 8px;font-size:12px}
.tt-mobile-schedule{display:grid;gap:12px}.tt-mobile-daybar{max-width:360px}
.tt-period-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.tt-period-row{display:grid;grid-template-columns:112px minmax(0,1fr);min-width:0;border:1px solid var(--tt-line);border-radius:14px;overflow:hidden;background:var(--tt-card)}
.tt-period-head{display:grid;align-content:center;gap:4px;padding:12px;border-inline-end:1px solid var(--tt-line);background:var(--tt-soft)}
.tt-period-head strong{font-size:13px}.tt-period-head span{color:var(--tt-muted);font-size:11px;direction:ltr;text-align:start}
.tt-period-content{display:grid;align-content:center;min-width:0;min-height:78px;padding:8px}.tt-period-content .tt-lesson-card{margin:0}.tt-empty-slot{color:var(--tt-muted);font-size:13px}
.tt-generation{display:grid;gap:9px;padding:13px;border:1px solid #bdd8d1;border-radius:13px;background:#eef8f5}
.tt-generation[hidden]{display:none}.tt-generation progress{width:100%;accent-color:var(--tt-accent)}
.tt-alert{border:1px solid #e4c783;border-radius:12px;background:#fff8e6;color:#68470b;padding:11px 13px;line-height:1.7;font-size:13px}
.tt-alert.error,.tt-alert.danger{border-color:#e1b5b5;background:#fff0f0;color:#7c3030}.tt-alert.success{border-color:#add3bc;background:#eefaf2;color:#185b35}
.tt-conflicts{display:grid;gap:8px}.tt-conflict{display:grid;grid-template-columns:auto 1fr;gap:9px;border:1px solid var(--tt-line);border-radius:11px;padding:10px;background:#fff}
.tt-conflict[data-severity="error"]{border-inline-start:5px solid var(--tt-danger)}.tt-conflict[data-severity="warning"]{border-inline-start:5px solid var(--tt-gold)}
.tt-conflict strong{font-size:12px}.tt-conflict p{margin:2px 0 0;color:var(--tt-muted);font-size:12px;line-height:1.6}
.tt-absence-grid,.tt-calendar-grid{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:14px;align-items:start}
.tt-sub-card{border:1px solid var(--tt-line);border-radius:13px;padding:12px;background:#fff;display:grid;gap:9px}
.tt-sub-card header{display:flex;gap:9px;justify-content:space-between;align-items:flex-start}
.tt-candidates{display:flex;gap:6px;flex-wrap:wrap}.tt-candidates button{min-height:34px;padding:6px 9px;font-size:11px}
.tt-attendance-head{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}
.tt-students{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.tt-student{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:8px;align-items:center;border:1px solid var(--tt-line);border-radius:11px;padding:9px;background:#fff}
.tt-student strong{font-size:12px;overflow-wrap:anywhere}.tt-student select{min-height:36px;padding:5px;font-size:12px}
.tt-calendar-list{display:grid;gap:8px}.tt-calendar-item{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid var(--tt-line);border-radius:12px;padding:10px;background:#fff}
.tt-calendar-date{text-align:center;border-radius:9px;background:var(--tt-soft);padding:7px;font-weight:800;color:var(--tt-accent-deep)}
.tt-calendar-item p{margin:3px 0 0;color:var(--tt-muted);font-size:11px;line-height:1.5}
.tt-report-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}
.tt-report{border:1px solid var(--tt-line);border-radius:13px;padding:13px;background:#fff}
.tt-report h4{margin:0 0 10px;font-size:15px}.tt-report ol,.tt-report ul{margin:0;padding-inline-start:20px;color:var(--tt-muted);font-size:12px;line-height:1.8}
.tt-bar{display:grid;grid-template-columns:minmax(90px,1fr) 2fr auto;gap:8px;align-items:center;margin:7px 0;font-size:11px}
.tt-bar span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tt-bar-track{height:8px;border-radius:999px;background:#e8eeeb;overflow:hidden}.tt-bar-fill{height:100%;background:var(--tt-accent);border-radius:inherit}
.tt-share-box{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:16px;align-items:start}
.tt-qr{display:grid;place-items:center;min-height:230px;border:1px solid var(--tt-line);border-radius:13px;background:#fff;padding:10px}
.tt-qr canvas,.tt-qr img{max-width:100%;height:auto}.tt-share-link{direction:ltr;text-align:left;overflow-wrap:anywhere;font-size:11px;color:var(--tt-muted)}
.tt-ai-preview{display:grid;gap:8px;border:1px solid #c6d8d2;border-radius:12px;background:#f1f8f6;padding:12px}.tt-ai-preview[hidden]{display:none}
.tt-dialog{width:min(780px,calc(100vw - 24px));max-height:88vh;border:1px solid var(--tt-line);border-radius:18px;padding:0;background:#fff;color:var(--tt-ink);box-shadow:0 25px 80px rgba(0,0,0,.24)}
.tt-dialog::backdrop{background:rgba(8,18,24,.64)}
.tt-dialog-head{position:sticky;top:0;z-index:3;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--tt-line);background:#fff}
.tt-dialog-head h3{margin:0}.tt-dialog-body{padding:18px;overflow:auto;max-height:calc(88vh - 70px)}
.tt-availability{overflow:auto}.tt-availability table{border-collapse:collapse;width:100%;min-width:620px}.tt-availability th,.tt-availability td{border:1px solid var(--tt-line);padding:7px;text-align:center;font-size:11px}.tt-availability th{background:var(--tt-soft)}
.tt-slot-toggle{width:100%;min-height:38px!important;padding:4px!important}.tt-slot-toggle.blocked{background:#fae5e5!important;border-color:#d49b9b!important;color:#7f3030!important}.tt-slot-toggle.preferred{background:#e1f2e8!important;border-color:#95c8aa!important;color:#155c35!important}
.tt-school-import-queue,.tt-import-sources{display:grid;gap:12px;margin-top:14px;padding:14px;border:1px solid var(--tt-line);border-radius:14px;background:var(--tt-soft)}
.tt-school-import-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.tt-school-import-head strong{font-size:14px}
.tt-upload-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.tt-upload-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;padding:10px 11px;border:1px solid var(--tt-line);border-radius:11px;background:var(--tt-card)}
.tt-upload-list li.has-error{border-color:#e1b5b5;background:#fff0f0}.tt-upload-file-copy{display:grid;gap:2px;min-width:0}.tt-upload-file-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tt-upload-file-copy small{color:var(--tt-muted);line-height:1.5;overflow-wrap:anywhere}
.tt-school-import-engine{display:grid;gap:8px;padding-top:2px}.tt-school-import-engine label{max-width:440px}.tt-school-import-queue>.tt-inline-actions{margin-top:0}
.tt-import-summary{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}.tt-import-sources{margin:10px 0}.tt-import-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:13px 0}.tt-import-map label{min-width:0}.tt-import-map select{width:100%}
.tt-compare tr.best td{background:#eff9f4}.tt-compare td:first-child{min-width:190px}.tt-compare td:first-child small{display:block;margin-top:4px;color:var(--tt-muted)}.tt-compare td:not(:first-child){text-align:center;white-space:nowrap}
.tt-status{min-height:20px;color:var(--tt-muted);font-size:12px;line-height:1.6}
.tt-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.tt-readonly{border:1px solid #c7b16d;border-radius:12px;background:#fff7d8;padding:11px 13px;color:#614b09;font-size:13px;line-height:1.7}
.tt-exam-table th small,.tt-exam-table td small{display:block;margin-top:3px;color:var(--tt-muted);font-size:10px;white-space:nowrap}
.tt-exam-review{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:14px;align-items:start}
.tt-workload-table{min-width:420px}
.tt-special-section{display:grid;gap:16px;margin-top:8px;padding-top:20px;border-top:3px solid color-mix(in srgb,var(--tt-gold) 55%,var(--tt-line))}
.tt-special-disclosure>.tt-disclosure-body{padding-top:16px}.tt-special-disclosure .tt-special-section{margin-top:0;padding-top:0;border-top:0}
.tt-special-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;border:1px solid #d9c697;border-radius:19px;background:linear-gradient(135deg,#fff9e9,#edf8f4)}
.tt-special-heading h2{margin:3px 0 5px;font-size:25px}.tt-special-heading p{margin:0;color:var(--tt-muted);font-size:13px;line-height:1.7}
.tt-special-count{flex:0 0 auto;border-radius:999px;background:#fff;border:1px solid #d9c697;padding:8px 12px;color:var(--tt-accent-deep);font-size:12px;font-weight:850}
.tt-special-card{border-color:#d7d1be}.tt-special-card>.tt-card-head h3{color:var(--tt-accent-deep)}
.tt-compact-label{display:flex!important;align-items:center;gap:7px!important;color:var(--tt-ink)!important}.tt-compact-label select{width:auto!important;min-width:92px}
.tt-special-assignment-table{min-width:1450px}.tt-special-assignment-table select{min-width:160px;font-size:11px}.tt-special-assignment-table select[multiple]{min-height:76px;padding:5px}
.tt-school-branding{display:flex;align-items:center;gap:14px;margin-top:13px;padding:13px;border:1px solid var(--tt-line);border-radius:13px;background:var(--tt-soft)}
.tt-school-branding h4{margin:0 0 4px;font-size:15px}.tt-school-branding p{margin:0 0 9px;color:var(--tt-muted);font-size:12px;line-height:1.65}
.tt-school-logo-preview{width:86px;height:86px;flex:0 0 86px;display:grid;place-items:center;overflow:hidden;border:1px dashed #9ab7ae;border-radius:14px;background:#fff;color:var(--tt-muted);font-size:12px;font-weight:750}
.tt-school-logo-preview img{display:block;width:100%;height:100%;object-fit:contain;padding:7px;box-sizing:border-box}
.tt-portrait-settings{margin-top:12px;padding:13px;border:1px solid #d8ccb0;border-radius:13px;background:#fffaf0}.tt-portrait-settings textarea{min-height:92px}.tt-portrait-settings select[multiple]{min-height:132px}
.tt-kindergarten-settings{margin-top:12px;padding:13px;border:1px solid #b9d3c7;border-radius:13px;background:#f3faf7}.tt-kindergarten-settings textarea{min-height:150px}.tt-kindergarten-settings select[multiple]{min-height:132px}.tt-kindergarten-settings .tt-checks{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:11px}.tt-kindergarten-settings .tt-checks label{display:flex;align-items:center;gap:7px;color:var(--tt-ink);font-weight:750}.tt-kindergarten-settings .tt-checks input{width:auto}
.tt-print-portal{display:none}

@media(max-width:900px){
  .tt-hero{display:block}
  .tt-main-tabs{grid-template-columns:repeat(3,minmax(0,1fr));position:static}
  .tt-bulk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tt-resource-layout,.tt-absence-grid,.tt-calendar-grid,.tt-exam-review{grid-template-columns:1fr}
  .tt-schedule-toolbar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tt-report-grid{grid-template-columns:1fr 1fr}.tt-share-box{grid-template-columns:1fr}
  .tt-import-map{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .tt-root button,.tt-file-label,.tt-root summary{min-height:44px}
  .tt-lesson-menu summary{min-height:44px}.tt-lesson-actions button,.tt-unplaced-actions button{min-height:44px;font-size:13px}
  .tt-root input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="button"]),.tt-root select,.tt-root textarea{font-size:16px}
}
@media(max-width:600px){
  .tt-hero,.tt-card{padding:16px}.tt-card.tt-disclosure{padding:0}
  .tt-main-tabs{display:flex;grid-template-columns:none;overflow-x:auto;gap:8px;scroll-padding-inline:2px;scrollbar-width:thin}
  .tt-main-tabs button{flex:0 0 auto;min-width:112px;min-height:46px}
  .tt-actions>button,.tt-actions>.tt-file-label{flex:1 1 140px}
  .tt-grid-2,.tt-grid-3,.tt-grid-4,.tt-quick-steps,.tt-bulk-grid,.tt-schedule-toolbar,.tt-attendance-head,.tt-report-grid{grid-template-columns:1fr}
  .tt-card-head{display:grid}.tt-card-head .tt-panel-actions{width:100%}
  .tt-card-head .tt-panel-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.tt-card-head .tt-panel-actions>.primary{grid-column:1/-1}
  .tt-card-head .tt-panel-actions>*{width:100%}
  .tt-period-row{grid-template-columns:88px minmax(0,1fr)}.tt-period-head{padding:10px}.tt-period-content{padding:7px;min-height:72px}
  .tt-lesson-head>strong{font-size:16px}.tt-lesson-meta{font-size:13px}.tt-lesson-actions button,.tt-unplaced-actions button{min-height:44px!important;font-size:13px}
  .tt-unplaced{grid-template-columns:1fr}
  .tt-disclosure>summary{padding:15px 16px}.tt-disclosure-body{padding:0 16px 16px}
  .tt-students{grid-template-columns:1fr}.tt-share-box{grid-template-columns:1fr}.tt-qr{min-height:210px}
  .tt-calendar-item{grid-template-columns:62px minmax(0,1fr)}.tt-calendar-item>.tt-inline-actions{grid-column:1/-1}
  .tt-import-map{grid-template-columns:1fr}
  .tt-school-import-head{align-items:flex-start}.tt-upload-list li{align-items:flex-start}.tt-upload-list li>button{flex:0 0 auto}
  .tt-special-heading{display:grid;padding:16px}.tt-special-count{justify-self:start}
  .tt-school-branding{align-items:flex-start}.tt-school-logo-preview{width:70px;height:70px;flex-basis:70px}
  .tt-root input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="button"]),
  .tt-root select,.tt-root textarea{font-size:16px!important}
  .tt-root input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="button"]),.tt-root select{min-height:44px}
  .tt-root button,.tt-file-label{min-height:44px!important}
  .tt-root summary,.tt-check,.tt-day-choice{min-height:44px}
}
@media screen and (prefers-color-scheme:dark){
  .tt-root{
    --tt-accent:#167865;--tt-accent-deep:#77d7c6;--tt-gold:#e8ad55;--tt-focus:#ffc56a;--tt-ink:#edf2f5;--tt-muted:#b2c0ca;
    --tt-card:#1a222b;--tt-soft:#162922;--tt-line:#3b4852;--tt-danger:#ff9898;--tt-warning:#f0c36f;--tt-success:#6ed59b
  }
  .tt-hero{border-color:#355c55;background:radial-gradient(circle at 10% 12%,rgba(69,185,163,.18),transparent 34%),linear-gradient(135deg,#162821,#282318)}
  .tt-metric,.tt-root button,.tt-file-label,.tt-root input:not([type="checkbox"]):not([type="radio"]):not([type="color"]),.tt-root select,.tt-root textarea,
  .tt-day-choice,.tt-list-item,.tt-table,.tt-schedule-wrap,.tt-slot,.tt-unplaced-item,.tt-conflict,.tt-sub-card,.tt-student,.tt-calendar-item,.tt-report,
  .tt-dialog,.tt-dialog-head,.tt-special-count{background:var(--tt-card);color:var(--tt-ink);border-color:var(--tt-line)}
  .tt-root input[readonly]{background:#26313a;color:var(--tt-muted)}
  .tt-table th,.tt-schedule thead th{background:#20372f;color:var(--tt-accent-deep)}
  .tt-schedule tbody th{background:#202a32}.tt-slot[data-can-place="true"]{background:#183229}.tt-slot.drag-over{background:#21483b}
  .tt-lesson-card{background:color-mix(in srgb,var(--lesson-color,#45b9a3) 18%,var(--tt-card))}.tt-lesson-card.swap-source{background:color-mix(in srgb,var(--tt-gold) 20%,var(--tt-card))}
  .tt-generation,.tt-ai-preview,.tt-kindergarten-settings{background:#172d26;border-color:#35675f}
  .tt-onboarding{background:linear-gradient(145deg,#183129,var(--tt-card));border-color:#35675f}
  .tt-alert,.tt-readonly,.tt-portrait-settings{background:#332b1b;border-color:#78643b;color:#f0d69c}
  .tt-alert.error,.tt-alert.danger{background:#382323;border-color:#7b4747;color:#ffb4b4}.tt-alert.success{background:#173326;border-color:#356c50;color:#91e0b2}
  .tt-upload-list li.has-error{background:#382323;border-color:#7b4747}
  .tt-chip{background:#223a33;color:var(--tt-accent-deep)}.tt-chip.warn{background:#3b301b;color:#f0c36f}.tt-chip.danger{background:#3b2424;color:#ffaaaa}.tt-chip.ok{background:#193526;color:#83dca8}
  .tt-slot-toggle.blocked{background:#442828!important;border-color:#8c4e4e!important;color:#ffb0b0!important}.tt-slot-toggle.preferred{background:#1e3c2a!important;border-color:#447f5a!important;color:#9de0b5!important}
  .tt-calendar-date,.tt-bar-track{background:#26313a}.tt-compare tr.best td{background:#1b352b}
  .tt-special-heading{background:linear-gradient(135deg,#352e1e,#183028);border-color:#75633c}.tt-school-branding{background:var(--tt-soft)}
  .tt-qr,.tt-school-logo-preview{background:#fff;color:#5d6974}
}
@media(prefers-reduced-motion:reduce){.tt-root *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

@media print{
  body.tt-printing>*:not(#mainContent){display:none!important}
  body.tt-printing #mainContent>*:not(#timetableMode){display:none!important}
  body.tt-printing .tt-root .tt-no-print,body.tt-printing .tt-root .tt-main-tabs,body.tt-printing .tt-root .tt-hero,
  body.tt-printing .tt-root .tt-actions,body.tt-printing .tt-root .tt-unplaced,body.tt-printing .tt-root button{display:none!important}
  body.tt-printing .tt-root,body.tt-printing .tt-shell{display:block!important;color:#000!important}
  body.tt-printing .tt-panel{display:block!important}.tt-schedule-wrap{overflow:visible!important;border:none!important}
  .tt-schedule{min-width:0!important;font-size:9pt}.tt-schedule thead th:first-child,.tt-schedule tbody th{position:static!important}
  .tt-lesson-card{break-inside:avoid;box-shadow:none!important}.tt-card{border:none!important;box-shadow:none!important;padding:0!important}
  body.tt-export-printing>*:not(#mainContent){display:none!important}
  body.tt-export-printing #mainContent>*:not(#timetableMode){display:none!important}
  body.tt-export-printing #timetableMode>.wrap{display:none!important}
  body.tt-export-printing #timetableMode>.tt-print-portal{display:block!important}
  body.tt-export-printing .tt-print-portal .tt-export-sheet{display:block!important;break-after:page;page-break-after:always;max-width:none!important}
  body.tt-export-printing .tt-print-portal .tt-export-sheet:last-child{break-after:auto;page-break-after:auto}
  @page{size:A4 landscape;margin:6mm}
}