:root{--bg:#f5f6fa;--panel:#fff;--ink:#202238;--muted:#777b91;--line:#e8e9f1;--primary:#5b5ce2;--primary-soft:#ededff;--coral:#ff7d6e;--mint:#41b9a1;--yellow:#f3b83f;--shadow:0 12px 40px rgba(47,48,87,.07);--topbar-height:88px;font-family:Pretendard,"Noto Sans KR",system-ui,sans-serif;color:var(--ink)}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:28px 18px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);padding:0 10px 30px}.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#6d6eeb,#4e4fc8);color:#fff;font-weight:900}.brand strong,.brand small{display:block}.brand small{font-size:11px;color:var(--muted);margin-top:3px}.sidebar nav{display:grid;gap:5px}.nav-item{border:0;background:transparent;color:#686b80;border-radius:12px;padding:13px 15px;text-align:left;font-weight:650;display:flex;gap:13px;align-items:center}.nav-item span{font-size:20px;width:20px}.nav-item:hover,.nav-item.active{background:var(--primary-soft);color:var(--primary)}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;display:grid}.text-button{border:0;background:none;color:var(--muted);font-size:12px;text-align:left;padding:8px 12px}.file-label input{display:none}main{min-width:0;padding:0 38px 50px}.topbar{height:var(--topbar-height);display:flex;align-items:center;gap:22px;position:sticky;top:0;z-index:15;background:rgba(245,246,250,.92);backdrop-filter:blur(15px);border-bottom:1px solid rgba(232,233,241,.85);margin:0 -38px 28px;padding:0 38px}.top-brand{border:0;background:none;padding:0;display:flex;align-items:center;gap:10px;color:var(--ink);text-align:left}.top-brand strong,.top-brand small{display:block}.top-brand small{font-size:10px;color:var(--muted);margin-top:2px}.page-heading{flex:1;border-left:1px solid var(--line);padding-left:22px}.topbar h1{font-size:22px;margin:3px 0}.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:800;color:var(--primary);margin:0;text-transform:uppercase}.top-actions,.toolbar-actions{display:flex;gap:10px;align-items:center}.primary-button,.soft-button,.icon-button{border:0;border-radius:11px;padding:11px 16px;font-weight:750}.primary-button{background:var(--primary);color:#fff;box-shadow:0 7px 16px rgba(91,92,226,.22)}.primary-button:hover{background:#4e4fc9}.soft-button{background:#fff;color:var(--ink);border:1px solid var(--line)}.icon-button{width:42px;height:42px;padding:0;background:#fff;border:1px solid var(--line)}.menu-button{display:none}.view{display:none;animation:fade .22s ease}.view.active{display:block}@keyframes fade{from{opacity:.3;transform:translateY(4px)}}.hero{min-height:185px;border-radius:24px;padding:34px 40px;color:#fff;background:radial-gradient(circle at 85% 10%,rgba(255,255,255,.25),transparent 26%),linear-gradient(120deg,#5a5bde,#8586ed);display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}.hero .eyebrow{color:#dfe0ff}.hero h2{font-size:28px;margin:12px 0 8px}.hero p:last-child{color:#e6e6ff;margin:0}.hero-progress{text-align:center}.ring{--value:0deg;width:95px;height:95px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#fff var(--value),rgba(255,255,255,.23) 0);position:relative;margin-bottom:7px}.ring:after{content:"";position:absolute;inset:8px;border-radius:50%;background:#7374e7}.ring span{z-index:1;font-weight:900;font-size:20px}.hero-progress small{color:#e5e6ff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stat-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;display:flex;gap:14px;align-items:center}.stat-card small,.stat-card strong{display:block}.stat-card small{color:var(--muted);margin-bottom:5px}.stat-card strong{font-size:21px}.stat-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-weight:900}.violet{background:#ededff;color:var(--primary)}.coral{background:#fff0ed;color:var(--coral)}.mint{background:#e8f9f5;color:var(--mint)}.yellow{background:#fff7df;color:var(--yellow)}.dashboard-grid,.grade-layout,.timer-layout{display:grid;grid-template-columns:1.3fr .8fr;gap:20px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:19px;padding:24px;box-shadow:var(--shadow)}.panel-head,.section-toolbar,.modal-head{display:flex;justify-content:space-between;align-items:center}.panel-head{margin-bottom:18px}.panel h3,.panel-head h3{margin:5px 0 0}.link-button{border:0;background:none;color:var(--primary);font-weight:750}.empty{padding:34px 10px;text-align:center;color:var(--muted)}.task-list{display:grid;gap:9px}.task-row{width:100%;border:0;background:transparent;text-align:left;color:inherit;display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;padding:12px;border-radius:13px}.task-row:hover{background:#fafaff;transform:translateX(2px)}.subject-dot{width:9px;height:38px;border-radius:10px;background:var(--primary)}.task-row strong,.task-row small{display:block}.task-row small{color:var(--muted);margin-top:4px}.due-chip{font-size:12px;background:#f4f4f8;padding:6px 9px;border-radius:8px;color:var(--muted)}.due-chip.urgent{background:#fff0ed;color:#d95848}.today-schedule{display:grid;gap:11px}.schedule-row{display:flex;align-items:center;gap:12px;border-left:3px solid var(--primary);padding:7px 11px}.schedule-row span{color:var(--muted);font-size:12px}.section-toolbar{margin-bottom:18px;gap:18px}.section-toolbar h2{margin:5px 0}.filter-tabs{background:#eaeaef;border-radius:12px;padding:4px;display:flex}.filter-tabs button,.timer-presets button{border:0;background:transparent;border-radius:9px;padding:8px 15px;color:var(--muted);font-weight:700}.filter-tabs button.active,.timer-presets button.active{background:#fff;color:var(--primary);box-shadow:0 2px 7px #d8d8e2}.search-box{background:#fff;border:1px solid var(--line);border-radius:11px;padding:9px 12px;color:var(--muted)}.search-box input{border:0;outline:0;width:165px}.task-board{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.task-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;position:relative}.task-card.done{opacity:.65}.task-card.done h3{text-decoration:line-through}.task-card-top{display:flex;justify-content:space-between}.subject-badge{background:var(--primary-soft);color:var(--primary);padding:5px 9px;border-radius:7px;font-size:11px;font-weight:800}.more-button{border:0;background:none;font-size:18px}.task-card h3{margin:17px 0 8px}.task-card p{color:var(--muted);font-size:13px;min-height:38px;line-height:1.5}.task-meta{border-top:1px solid var(--line);padding-top:13px;margin-top:14px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.task-actions{display:flex;gap:6px;margin-top:13px}.task-actions button{border:0;border-radius:8px;padding:7px 9px;font-size:12px}.calendar-panel{padding:18px}.calendar-head{display:flex;align-items:center;gap:10px;margin:2px 4px 16px}.calendar-head h2{min-width:170px;text-align:center}.calendar-head .soft-button{margin-left:auto}.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr)}.calendar-weekdays span{text-align:center;padding:10px;color:var(--muted);font-size:12px}.calendar-day{min-height:115px;border-top:1px solid var(--line);border-left:1px solid var(--line);padding:9px;overflow:hidden}.calendar-day:nth-child(7n){border-right:1px solid var(--line)}.calendar-day.other{background:#fafafd;color:#b9bbc8}.calendar-day.today .day-number{background:var(--primary);color:#fff}.day-number{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12px}.calendar-event{margin-top:6px;border-radius:6px;background:var(--primary-soft);color:var(--primary);padding:4px 6px;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.table-wrap{overflow:auto}.timetable-grid{min-width:720px;display:grid;grid-template-columns:70px repeat(5,1fr);border:1px solid var(--line);border-radius:12px;overflow:hidden}.time-cell{min-height:78px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px}.time-cell[data-slot]{cursor:pointer;transition:.15s}.time-cell[data-slot]:hover{background:var(--primary-soft)}.time-cell[data-slot]:empty:after{content:"＋";color:#c5c6d3;display:grid;place-items:center;height:100%;opacity:0}.time-cell[data-slot]:empty:hover:after{opacity:1}.time-head{min-height:auto;text-align:center;background:#fafafd;font-weight:800}.period-cell{display:grid;place-items:center;color:var(--muted);background:#fafafd}.class-block{height:100%;border-radius:9px;background:var(--primary-soft);padding:9px;color:var(--primary);font-size:12px}.class-block strong,.class-block small{display:block}.class-block small{margin-top:4px}.bar-chart{display:flex;align-items:flex-end;gap:22px;height:260px;padding:35px 12px 0}.bar-item{flex:1;text-align:center;min-width:45px}.bar{background:linear-gradient(#7778e9,#5b5ce2);border-radius:9px 9px 3px 3px;min-height:4px;position:relative}.bar em{position:absolute;top:-25px;left:50%;transform:translateX(-50%);font-style:normal;font-weight:800}.bar-item span{display:block;margin-top:9px;font-size:12px;color:var(--muted)}.grade-list,.focus-history{display:grid;gap:10px}.grade-row,.focus-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:10px 2px}.grade-row small,.focus-row small{display:block;color:var(--muted);margin-top:3px}.grade-score{font-size:20px;font-weight:900;color:var(--primary)}.timer-layout{grid-template-columns:1fr 1fr}.timer-card{text-align:center}.timer-card select{margin:20px auto;border:1px solid var(--line);padding:9px 20px;border-radius:9px}.timer-circle{width:245px;height:245px;border:10px solid var(--primary-soft);border-radius:50%;margin:5px auto 20px;display:grid;place-content:center}.timer-circle strong{font-size:52px;letter-spacing:-2px}.timer-circle span{font-size:12px;color:var(--muted);margin-top:7px}.timer-presets{display:flex;justify-content:center;gap:6px}.timer-actions{display:flex;justify-content:center;gap:10px;margin-top:20px}.large{min-width:120px}dialog{border:0;border-radius:20px;padding:0;width:min(590px,calc(100% - 28px));box-shadow:0 30px 80px rgba(30,31,63,.24)}dialog::backdrop{background:rgba(29,30,52,.46)}.modal-form{padding:26px;display:grid;gap:17px}.modal-head h2{margin:5px 0}.close-button{border:0;background:#f3f3f7;width:34px;height:34px;border-radius:50%;font-size:20px}.modal-form label{font-size:12px;font-weight:750;color:#55586d;display:grid;gap:7px}.modal-form input,.modal-form textarea,.modal-form select{width:100%;border:1px solid #dfe0e9;border-radius:10px;padding:11px 12px;outline:0;color:var(--ink)}.modal-form input:focus,.modal-form textarea:focus,.modal-form select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}fieldset{border:0;padding:0;margin:0}legend{font-size:12px;font-weight:750;color:#55586d;margin-bottom:8px}.check-row{display:flex;gap:7px;flex-wrap:wrap}.check-row label{display:flex;align-items:center;gap:5px;background:#f6f6f9;border-radius:8px;padding:8px}.check-row input{width:auto}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:4px}.upload-zone{border:2px dashed #d9daea!important;border-radius:14px;padding:24px!important;text-align:center;place-items:center;background:#fafaff;cursor:pointer;font-size:27px!important;color:var(--primary)!important}.upload-zone strong,.upload-zone small{display:block}.upload-zone strong{font-size:14px;color:var(--ink)}.upload-zone small{font-weight:400;color:var(--muted)}.upload-zone input{display:none}.ocr-progress div{height:7px;background:#eeeef5;border-radius:10px;overflow:hidden}.ocr-progress span{display:block;width:0;height:100%;background:var(--primary);transition:width .2s}.ocr-progress p,.helper{font-size:11px;color:var(--muted);margin:6px 0}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);background:#25263b;color:#fff;border-radius:10px;padding:11px 17px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:99}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1000px){.stats-grid{grid-template-columns:repeat(2,1fr)}.task-board{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.grade-layout{grid-template-columns:1fr}}
@media(max-width:720px){.app-shell{display:block}.sidebar{position:fixed;z-index:20;transform:translateX(-100%);transition:.2s;width:240px;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}main{padding:0 15px 35px}.topbar{height:92px}.menu-button{display:block;border:0;background:none;font-size:22px}.topbar>div:nth-child(2){flex:1}.topbar .eyebrow{display:none}.topbar h1{font-size:22px}.icon-button#notificationBtn{display:none}.primary-button{padding:10px 12px}.quickAddBtn span{display:none}.hero{padding:27px 24px;min-height:160px}.hero h2{font-size:21px}.hero-progress{display:none}.stats-grid{gap:9px}.stat-card{padding:14px 11px;gap:9px}.stat-icon{width:34px;height:34px}.stat-card small{font-size:10px}.dashboard-grid,.timer-layout{grid-template-columns:1fr}.panel{padding:18px}.section-toolbar{align-items:flex-start;flex-direction:column}.toolbar-actions{width:100%;flex-wrap:wrap}.search-box{width:100%}.search-box input{width:calc(100% - 30px)}.task-board{grid-template-columns:1fr}.calendar-day{min-height:78px;padding:4px}.calendar-event{font-size:8px}.calendar-panel{padding:8px}.calendar-head h2{font-size:18px;min-width:auto}.form-grid{grid-template-columns:1fr}.timer-circle{width:210px;height:210px}.timer-circle strong{font-size:45px}}
.custom-reminder{display:grid;grid-template-columns:1fr 120px auto;gap:8px;margin-top:10px}.custom-reminder input,.custom-reminder select{border:1px solid #dfe0e9;border-radius:9px;padding:9px}.custom-reminder-list,.reminder-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.reminder-chip{border:0;background:var(--primary-soft);color:var(--primary);border-radius:20px;padding:6px 10px;font-size:11px;font-weight:750}.reminder-chip[data-remove]:after{content:" ×";opacity:.65}.bottom-sheet{margin:auto auto 0;width:min(680px,100%);max-width:none;border-radius:25px 25px 0 0;animation:sheetUp .3s cubic-bezier(.2,.8,.2,1)}@keyframes sheetUp{from{transform:translateY(100%);opacity:.4}to{transform:translateY(0);opacity:1}}.detail-sheet{padding:10px 28px max(28px,env(safe-area-inset-bottom));display:grid;gap:18px}.sheet-handle{width:48px;height:5px;border-radius:5px;background:#d9dae3;margin:0 auto 4px}.detail-sheet h2{font-size:28px;margin:0}.detail-sheet section{border-top:1px solid var(--line);padding-top:16px}.detail-sheet section h3{font-size:12px;color:var(--muted);margin:0 0 9px}.detail-sheet section p{line-height:1.7;margin:0;white-space:pre-wrap}.detail-date{display:flex;align-items:center;gap:10px;background:#f7f7fb;border-radius:13px;padding:14px}.detail-date span{font-size:11px;color:var(--muted)}.detail-date em{font-style:normal;margin-left:auto;color:var(--coral);font-weight:800}.danger-button{border:0;background:#fff0ed;color:#d95848;border-radius:10px;padding:10px 13px;font-weight:750}.split-actions{display:grid;grid-template-columns:auto 1fr auto auto}.grade-ocr-preview{display:grid;gap:7px;max-height:210px;overflow:auto}.grade-preview-row{display:grid;grid-template-columns:1fr 90px 70px;gap:7px;align-items:center;background:#f8f8fb;padding:8px;border-radius:10px}.grade-preview-row input{padding:8px}.slot-label{font-size:11px;color:var(--muted);margin-bottom:5px}
@media(max-width:720px){:root{--topbar-height:74px}main{padding-top:0}.topbar{height:var(--topbar-height);margin:0 -15px 18px;padding:0 15px;gap:9px}.top-brand .brand-mark{width:34px;height:34px}.top-brand strong{font-size:13px}.top-brand small,.page-heading{display:none}.top-actions{margin-left:auto}.top-actions .primary-button{font-size:0}.top-actions .primary-button span{font-size:20px}.custom-reminder{grid-template-columns:1fr 105px}.custom-reminder button{grid-column:1/-1}.detail-sheet{padding-left:20px;padding-right:20px}.detail-sheet h2{font-size:23px}.grade-preview-row{grid-template-columns:1fr 70px 55px}}
.study-summary{background:linear-gradient(120deg,#313248,#242536);color:#fff;border-radius:22px;padding:24px 30px;margin-bottom:18px;display:flex;align-items:center;gap:22px;box-shadow:var(--shadow)}.study-summary>div:first-child{flex:1}.study-summary .eyebrow{color:#a9aaff}.study-summary strong{font-size:38px;letter-spacing:.03em;display:block;margin:7px 0 3px;font-variant-numeric:tabular-nums}.study-summary span{font-size:12px;color:#b8b9c8}.goal-ring{--goal:0deg;width:72px;height:72px;border-radius:50%;background:conic-gradient(#7778ed var(--goal),#46475a 0);display:grid;place-items:center;position:relative}.goal-ring:before{content:"";position:absolute;inset:6px;border-radius:50%;background:#303144}.goal-ring span{position:relative;color:#fff;font-weight:850}.goal-setting{display:flex;align-items:center;gap:7px;color:#d8d9e6;font-size:12px}.goal-setting input{width:58px;border:1px solid #55566b;background:#393a4d;color:#fff;border-radius:8px;padding:7px;text-align:center}.stopwatch-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.stopwatch-card{text-align:center;background:radial-gradient(circle at 50% 0,#f0f0ff,transparent 40%),#fff}.running-badge{display:inline-block;background:#f1f1f6;color:var(--muted);border-radius:20px;padding:6px 11px;font-size:11px;font-weight:800}.running-badge.active{background:#e8f9f5;color:#16866f}.current-subject{font-weight:800;margin:23px 0 8px;color:var(--primary)}.stopwatch-display{display:block;font-size:52px;letter-spacing:.03em;font-variant-numeric:tabular-nums;margin:4px 0 8px}.stopwatch-card>p:last-of-type{font-size:12px;color:var(--muted);min-height:18px}.stopwatch-actions{display:flex;align-items:center;justify-content:center;gap:13px;margin-top:25px}.round-timer-button{width:68px;height:68px;border:0;border-radius:50%;background:var(--primary);color:#fff;font-size:23px;box-shadow:0 10px 25px rgba(91,92,226,.35)}.round-timer-button.running{background:var(--coral)}.timer-subject-list{display:grid;gap:8px;max-height:340px;overflow:auto}.timer-subject-row{display:grid;grid-template-columns:11px 1fr auto 42px;align-items:center;gap:12px;padding:12px 10px;border-bottom:1px solid var(--line);border-radius:10px}.timer-subject-row.active{background:var(--primary-soft);border-color:transparent}.timer-subject-color{width:10px;height:34px;border-radius:8px}.timer-subject-row strong,.timer-subject-row small{display:block}.timer-subject-row small{color:var(--muted);margin-top:3px}.subject-total{font-variant-numeric:tabular-nums;font-weight:850}.subject-play{width:38px;height:38px;border:0;border-radius:50%;background:#f1f1f6;color:var(--primary);font-weight:900}.timer-subject-row.active .subject-play{background:var(--primary);color:#fff}.timer-insights{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.weekly-focus-chart{height:180px;display:grid;grid-template-columns:repeat(7,1fr);align-items:end;gap:12px;padding-top:20px}.focus-day{text-align:center}.focus-bar-track{height:125px;background:#f0f0f5;border-radius:8px;display:flex;align-items:flex-end;overflow:hidden}.focus-bar{width:100%;min-height:3px;background:linear-gradient(#898af0,#5b5ce2);border-radius:8px}.focus-day strong{display:block;font-size:10px;margin:6px 0 2px}.focus-day span{font-size:10px;color:var(--muted)}.focus-row-actions{display:flex;align-items:center;gap:9px}.delete-focus{border:0;background:none;color:#b3b4c1;font-size:16px}.focus-note{max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);margin-right:5px;animation:pulse 1.4s infinite}@keyframes pulse{50%{box-shadow:0 0 0 5px rgba(65,185,161,.15)}}
@media(max-width:900px){.stopwatch-layout,.timer-insights{grid-template-columns:1fr}.timer-subject-list{max-height:none}}
@media(max-width:720px){.study-summary{padding:19px;gap:12px}.study-summary strong{font-size:29px}.goal-ring{width:60px;height:60px}.goal-setting{display:none}.stopwatch-display{font-size:42px}.stopwatch-actions{gap:8px}.stopwatch-actions .soft-button,.stopwatch-actions .primary-button{font-size:11px;padding:9px}.round-timer-button{width:60px;height:60px}.weekly-focus-chart{gap:6px}}
.wellness-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.dday-widget,.mind-widget{border-radius:18px;padding:19px 22px;display:flex;align-items:center;gap:18px}.dday-widget{background:linear-gradient(135deg,#fff1ee,#fff8f5);border:1px solid #ffe0d9}.dday-widget>div{flex:1}.dday-widget strong{display:block;font-size:25px;color:var(--coral);margin:6px 0 2px}.dday-widget h3{margin:0 0 4px}.dday-widget span{font-size:11px;color:var(--muted)}.mind-widget{background:linear-gradient(135deg,#eef8ff,#f5f3ff);border:1px solid #dce8fa}.mood-picker{display:grid;grid-template-columns:1fr 1fr;gap:3px}.mood-picker button{border:0;background:rgba(255,255,255,.8);border-radius:8px;padding:7px;font-size:17px}.mood-picker button.active{background:var(--primary-soft);box-shadow:0 0 0 2px var(--primary)}.mind-widget blockquote{margin:6px 0 0;font-size:13px;line-height:1.5}.level-summary{display:flex;align-items:center;gap:8px;border-left:1px solid #4d4e60;padding-left:18px}.level-summary>span{font-size:32px}.level-summary strong,.level-summary small{display:block!important;margin:0!important}.level-summary strong{font-size:16px!important}.task-link-label{display:flex;align-items:center;justify-content:center;gap:8px;font-size:11px;color:var(--muted);margin-top:14px}.task-link-label select{border:1px solid var(--line);border-radius:8px;padding:7px;max-width:190px}.task-focus-time{display:block;color:var(--mint);font-size:11px;font-weight:800;margin-top:5px}.ai-hero{background:linear-gradient(120deg,#242536,#4c4db1);border-radius:22px;color:#fff;padding:30px 35px;display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.ai-hero .eyebrow{color:#bfc0ff}.ai-hero h2{margin:8px 0}.ai-hero p:last-child{margin:0;color:#d9daf8}.ai-hero>span{font-size:70px;color:#9fa0ff}.ai-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.ai-maker{display:grid;gap:15px}.local-ai-badge{font-size:10px;background:#e8f9f5;color:#16866f;border-radius:20px;padding:6px 9px;font-weight:800}.wide-label{display:grid;gap:7px;font-size:12px;font-weight:750;color:#55586d}.wide-label textarea,.ai-maker input{width:100%;border:1px solid #dfe0e9;border-radius:10px;padding:11px}.focus-insight{background:var(--primary-soft);border-radius:14px;padding:18px;line-height:1.6;margin-bottom:17px}.focus-insight strong{color:var(--primary)}.hour-heatmap{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.hour-cell{aspect-ratio:1;border-radius:7px;background:#f1f1f5;display:grid;place-items:center;font-size:9px;color:var(--muted)}.study-pack-panel,.flashcard-library{margin-top:18px}.pack-tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);margin-bottom:17px}.pack-tabs button{border:0;background:none;padding:10px 14px;color:var(--muted);font-weight:750}.pack-tabs button.active{color:var(--primary);border-bottom:2px solid var(--primary)}.pack-content{display:none}.pack-content.active{display:block}.summary-keywords{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:16px}.keyword-chip{background:var(--primary-soft);color:var(--primary);border-radius:20px;padding:6px 10px;font-size:11px;font-weight:800}.summary-list{line-height:1.75}.quiz-item{border-bottom:1px solid var(--line);padding:13px 3px}.quiz-item strong{display:block;margin-bottom:7px}.quiz-answer{color:var(--muted);font-size:12px}.generated-cards,.flashcard-deck{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-flashcard{min-height:145px;border:1px solid var(--line);border-radius:14px;padding:17px;background:linear-gradient(145deg,#fff,#f8f8ff);cursor:pointer;position:relative;perspective:600px}.mini-flashcard strong,.mini-flashcard p{display:block}.mini-flashcard p{font-size:13px;line-height:1.55}.mini-flashcard .card-answer{display:none;color:var(--primary)}.mini-flashcard.flipped .card-question{display:none}.mini-flashcard.flipped .card-answer{display:block}.card-meta{font-size:10px;color:var(--muted)}.delete-card{position:absolute;right:9px;top:8px;border:0;background:none;color:#bbb}.reward-toast{font-size:12px;color:var(--yellow)}
@media(max-width:950px){.ai-layout{grid-template-columns:1fr}.generated-cards,.flashcard-deck{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.wellness-grid{grid-template-columns:1fr}.study-summary{flex-wrap:wrap}.level-summary{border-left:0;padding-left:0}.ai-hero{padding:23px}.ai-hero>span{display:none}.generated-cards,.flashcard-deck{grid-template-columns:1fr}.hour-heatmap{grid-template-columns:repeat(4,1fr)}}

/* v5 visual cleanup: calmer, less widget-heavy student dashboard */
:root{
  --bg:#f7f8fb;
  --panel:#ffffff;
  --ink:#171923;
  --muted:#73778a;
  --line:#e6e8f0;
  --primary:#4f46e5;
  --primary-soft:#eef0ff;
  --coral:#f9735f;
  --shadow:0 18px 45px rgba(22,24,40,.055);
}
body{
  background:
    radial-gradient(circle at 18% 0,rgba(79,70,229,.08),transparent 28rem),
    linear-gradient(180deg,#fbfbfd 0,#f5f6fa 42rem);
}
.app-shell{grid-template-columns:218px 1fr}
.sidebar{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px);
  border-right:1px solid rgba(230,232,240,.8);
}
.brand-mark{
  border-radius:14px;
  background:linear-gradient(145deg,#111827,#4f46e5);
  box-shadow:0 10px 22px rgba(79,70,229,.18);
}
.nav-item{
  border-radius:16px;
  padding:12px 14px;
  color:#62677a;
}
.nav-item:hover,.nav-item.active{
  background:#111827;
  color:#fff;
}
main{
  max-width:1260px;
  width:100%;
  margin:0 auto;
}
.topbar{
  height:78px;
  background:rgba(247,248,251,.82);
  box-shadow:0 10px 30px rgba(25,28,40,.045);
}
.page-heading{border-left:0;padding-left:4px}
.topbar h1{font-size:20px;letter-spacing:-.03em}
.primary-button,.soft-button,.icon-button{
  border-radius:999px;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.primary-button:hover,.soft-button:hover,.icon-button:hover{transform:translateY(-1px)}
.primary-button{
  background:#111827;
  box-shadow:0 12px 24px rgba(17,24,39,.16);
}
.primary-button:hover{background:#252b39}
.soft-button,.icon-button{
  background:rgba(255,255,255,.86);
  border-color:#e1e4ec;
}
.hero{
  min-height:148px;
  color:var(--ink);
  background:
    radial-gradient(circle at 85% 10%,rgba(79,70,229,.11),transparent 16rem),
    linear-gradient(135deg,#ffffff,#f3f5ff);
  border:1px solid rgba(230,232,240,.9);
  box-shadow:var(--shadow);
}
.hero .eyebrow{color:var(--primary)}
.hero h2{font-size:26px;letter-spacing:-.04em}
.hero p:last-child{color:var(--muted)}
.ring{background:conic-gradient(#111827 var(--value),#e6e8f0 0)}
.ring:after{background:#fff}
.ring span{color:#111827}
.hero-progress small{color:var(--muted)}
.stats-grid{
  gap:12px;
  margin:16px 0;
}
.stat-card{
  border-radius:20px;
  padding:17px;
  box-shadow:none;
}
.stat-icon{
  width:36px;
  height:36px;
  border-radius:12px;
}
.priority-strip{
  display:grid;
  margin:0 0 16px;
}
.dday-widget{
  border-radius:22px;
  padding:18px 20px;
  background:#111827;
  color:#fff;
  border:0;
  box-shadow:0 18px 36px rgba(17,24,39,.13);
}
.dday-widget .eyebrow{color:#a8b1ff}
.dday-widget strong{
  color:#fff;
  font-size:27px;
  letter-spacing:-.04em;
}
.dday-widget h3{
  font-size:19px;
  letter-spacing:-.03em;
}
.dday-widget span{color:#c8ccd7}
.dday-widget .soft-button{
  color:#111827;
  border:0;
}
.dashboard-grid{
  grid-template-columns:minmax(0,1.25fr) minmax(310px,.75fr);
  align-items:start;
}
.panel{
  border-radius:22px;
  box-shadow:var(--shadow);
}
.panel-head{margin-bottom:14px}
.task-row{
  border:1px solid transparent;
  border-radius:17px;
}
.task-row:hover{
  background:#f7f8ff;
  border-color:#eaecff;
  transform:none;
}
.due-chip{
  border-radius:999px;
  font-weight:800;
}
.schedule-row{
  border-left:0;
  border-radius:16px;
  background:#f7f8fb;
  padding:13px 14px;
  position:relative;
}
.schedule-row:before{
  content:"";
  width:7px;
  height:34px;
  border-radius:999px;
  background:var(--subject-color,var(--primary));
  position:absolute;
  left:0;
  transform:translateX(-1px);
}
.task-card,.calendar-day,.class-block,.grade-row,.focus-row{
  border-radius:18px;
}
.task-card{
  box-shadow:0 8px 22px rgba(22,24,40,.035);
}
.upload-zone{
  background:#f8f9ff;
  border-radius:18px!important;
}
.mind-widget,.mood-picker{display:none!important}
@media(max-width:1000px){
  .dashboard-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .app-shell{display:block}
  main{padding:0 14px 34px}
  .topbar{
    height:70px;
    margin:0 -14px 16px;
    padding:0 14px;
  }
  .hero{
    min-height:132px;
    border-radius:22px;
    padding:24px 22px;
  }
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-card{border-radius:17px}
  .priority-strip{margin-bottom:12px}
  .dday-widget{
    align-items:flex-start;
    flex-direction:column;
    gap:13px;
  }
}

/* v6 design-system pass: tokenized theme, accessible focus, AI/OCR settings */
:root{
  --space-1:.25rem;
  --space-2:.5rem;
  --space-3:.75rem;
  --space-4:1rem;
  --space-6:1.5rem;
  --space-8:2rem;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --focus-ring:0 0 0 3px rgba(79,70,229,.22);
}
body{
  color:var(--ink);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
  outline:none;
  box-shadow:var(--focus-ring);
}
.compact-button{padding:10px 13px}
.auth-button{
  display:inline-flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
}
.auth-button:before{
  content:"G";
  width:18px;
  height:18px;
  border-radius:50%;
  display:inline-grid;
  place-items:center;
  background:#fff;
  color:#4285f4;
  font-size:12px;
  font-weight:900;
  border:1px solid var(--line);
}
.auth-user{
  max-width:150px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 12px;
  background:rgba(255,255,255,.7);
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.grade-summary-panel{margin-bottom:18px}
.grade-term-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:12px}
.grade-term-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:16px;text-align:left;display:grid;gap:5px}
.grade-term-card:hover{background:#f7f8ff;border-color:#dfe2ff}
.grade-term-card span,.grade-term-card small{color:var(--muted);font-size:12px}
.grade-term-card strong{font-size:28px;color:var(--primary)}
.grade-term-detail{display:grid;gap:8px}
.grade-detail-row{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:14px;padding:13px 14px}
.grade-detail-row small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.grade-detail-row span{font-weight:900;color:var(--primary);font-size:20px}
.timetable-ocr-preview{display:grid;gap:7px;max-height:260px;overflow:auto}
.timetable-preview-row{display:grid;grid-template-columns:70px 70px 1fr 1fr;gap:7px;background:#f8f8fb;padding:8px;border-radius:12px}
.timetable-preview-row input,.timetable-preview-row select{border:1px solid #dfe0e9;border-radius:9px;padding:8px;min-width:0}
.settings-note{
  border:1px solid #ffe0bf;
  background:#fff8ed;
  color:#713f12;
  border-radius:var(--radius-md);
  padding:13px 14px;
  line-height:1.55;
}
.settings-note strong{display:block;margin-bottom:3px}
.settings-note p{margin:0;font-size:12px}
.ocrProviderLabel{
  max-width:420px;
  margin-inline:auto;
}
.local-ai-badge{
  background:var(--primary-soft);
  color:var(--primary);
}
.panel,.stat-card,.task-card,.hero,.dday-widget{
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease,color .25s ease;
}
@media(max-width:900px){
  .compact-button{padding:10px 12px;font-size:12px}
  .auth-user{display:none}
}
@media(max-width:720px){
  .auth-button{font-size:0;padding:10px}
  .auth-button:before{margin:0}
  .timetable-preview-row{grid-template-columns:58px 58px 1fr}
  .timetable-preview-row input:last-child{grid-column:1/-1}
}

/* v10 polish: cleaner calendar density and softer controls */
.calendar-head{
  flex-wrap:wrap;
  background:#f7f8fb;
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px;
}
.calendar-head h2{
  letter-spacing:-.04em;
}
.calendar-head .soft-button,
.calendar-head .icon-button{
  box-shadow:none;
}
.calendar-day{
  background:#fff;
  transition:background .15s ease,border-color .15s ease;
}
.calendar-day:hover{
  background:#fbfbff;
}
.calendar-event{
  display:block;
  width:100%;
  border:0;
  text-align:left;
  cursor:pointer;
}
.calendar-event.task-event{
  background:#eef0ff;
  color:#4f46e5;
  font-weight:800;
}
.calendar-event.google-event{
  background:#edf7ff;
  color:var(--gcal-color,#1d70b8);
  font-weight:750;
  border-left:3px solid var(--gcal-color,#1d70b8);
}
.calendar-event.school-event{
  background:#fff7df;
  color:#9a6a00;
  font-weight:750;
}
.calendar-more{
  margin-top:6px;
  font-size:10px;
  color:var(--muted);
}
.calendar-day.today{
  box-shadow:inset 0 0 0 2px rgba(79,70,229,.18);
}
.top-actions .soft-button,
.toolbar-actions .soft-button{
  background:#fff;
}
@media(max-width:720px){
  .calendar-head{
    display:grid;
    grid-template-columns:auto 1fr auto;
  }
  .calendar-head h2{
    min-width:0;
    margin:0;
  }
  .calendar-head .soft-button{
    grid-column:1/-1;
    width:100%;
  }
}

/* v11 pro study tools */
.pro-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pro-panel{display:grid;gap:14px;align-content:start}
.wide-pro{grid-column:1/-1}
.study-queue,.exam-plan-list,.mistake-list,.school-event-list{display:grid;gap:10px}
.queue-item,.exam-plan-card,.mistake-card,.school-event-row{border:1px solid var(--line);border-radius:16px;background:#fff;padding:14px}
.queue-item{display:grid;gap:4px}
.queue-item span,.mistake-card span,.exam-plan-card small,.school-event-row small{font-size:11px;color:var(--muted);font-weight:800}
.queue-item strong,.mistake-card strong{font-size:15px}
.queue-item small,.mistake-card small{color:var(--muted)}
.exam-plan-card ol{margin:10px 0 0;padding-left:20px;line-height:1.7}
.exam-plan-card li{font-size:13px}
.mistake-card p{margin:8px 0;color:var(--primary);font-size:13px;line-height:1.55}
.school-event-row{display:flex;justify-content:space-between;align-items:center}
.report-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.report-grid>div{border:1px solid var(--line);border-radius:16px;background:#f8f9ff;padding:16px}
.report-grid small{display:block;color:var(--muted);font-size:11px;margin-bottom:6px}
.report-grid strong{font-size:22px}
.small-upload{padding:18px!important;font-size:22px!important}
.rubric-list{display:grid;gap:7px}
.rubric-item{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:13px}
.rubric-item.done{background:#eefbf6;color:#16866f;text-decoration:line-through}
.rubric-item input{width:auto}
@media(max-width:950px){.pro-grid{grid-template-columns:1fr}.report-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.report-grid{grid-template-columns:1fr}}