:root{--bg: #f7f6f2;--surface: #ffffff;--surface-2: #f0eee8;--border: #e2dfd6;--border-strong: #cbc7ba;--ink: #1f2430;--ink-soft: #5c6170;--ink-faint: #9b9fab;--accent: #2f4858;--accent-soft: #e3eaee;--done: #1d7a5f;--done-soft: #dcefe8;--due: #b5481f;--due-soft: #f6e4dc;--warn: #9a6b00;--radius: 10px;--radius-sm: 7px;--shadow: 0 1px 3px rgba(31, 36, 48, .06);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}button{font-family:inherit;font-size:13px;cursor:pointer;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);padding:7px 13px;border-radius:var(--radius-sm);transition:background .12s,border-color .12s}button:hover{background:var(--surface-2)}button:active{transform:translateY(.5px)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:#243845}button.ghost{border-color:transparent;background:transparent}button.ghost:hover{background:var(--surface-2)}button.danger{color:var(--due);border-color:var(--due-soft)}button.danger:hover{background:var(--due-soft)}button:disabled{opacity:.45;cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}label{font-size:12px;color:var(--ink-soft);display:block;margin-bottom:4px}.app{display:flex;min-height:100vh}.sidebar{width:210px;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}.brand{font-size:17px;font-weight:600;margin:0 8px 18px;letter-spacing:-.2px}.brand small{display:block;font-weight:400;font-size:11px;color:var(--ink-faint);letter-spacing:0}.nav-item{text-align:left;border:none;background:transparent;padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink-soft);font-size:14px;display:flex;justify-content:space-between;align-items:center}.nav-item:hover{background:var(--surface-2)}.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:500}.nav-badge{font-size:11px;background:var(--due-soft);color:var(--due);border-radius:20px;padding:1px 7px}.main{flex:1;padding:26px 32px;max-width:1100px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.page-head h1{font-size:22px;margin:0;letter-spacing:-.3px}.row{display:flex;gap:10px;align-items:center}.spacer{flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:22px}.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.metric .label{font-size:12px;color:var(--ink-soft)}.metric .value{font-size:23px;font-weight:600;margin-top:3px;letter-spacing:-.4px}.value.pos{color:var(--done)}.value.neg{color:var(--due)}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--ink-faint);padding:10px 14px;border-bottom:1px solid var(--border);font-weight:600}td{padding:11px 14px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--surface-2)}.num{text-align:right;font-variant-numeric:tabular-nums}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:2px 9px;border-radius:20px;font-weight:500}.badge.done{background:var(--done-soft);color:var(--done)}.badge.due{background:var(--due-soft);color:var(--due)}.badge.plan{background:var(--accent-soft);color:var(--accent)}.badge.resched{background:#fdf0d6;color:var(--warn)}.cal-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.cal-head .range{font-size:15px;font-weight:500;min-width:220px}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.day-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-height:120px;padding:8px}.day-col.today{border-color:var(--accent);border-width:1.5px}.day-name{font-size:11px;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.3px}.day-num{font-size:16px;font-weight:600}.day-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.lesson-chip{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:5px 7px;margin-bottom:6px;font-size:12px;cursor:pointer}.lesson-chip:hover{filter:brightness(.97)}.lesson-chip.done{background:var(--done-soft);border-left-color:var(--done)}.lesson-chip.cancelled{background:var(--surface-2);border-left-color:var(--border-strong);opacity:.6;text-decoration:line-through}.lesson-chip .t{font-weight:600}.lesson-chip .n{color:var(--ink-soft)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1f243066;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:440px;box-shadow:0 12px 40px #0000002e;max-height:90vh;overflow-y:auto}.modal-head{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-head h2{margin:0;font-size:17px}.modal-body{padding:18px 20px;display:flex;flex-direction:column;gap:14px}.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.empty{text-align:center;padding:50px 20px;color:var(--ink-faint)}.empty p{margin:6px 0 16px}.toggle-line{display:flex;align-items:center;gap:8px}.toggle-line input[type=checkbox]{width:auto}.section-title{font-size:13px;font-weight:600;color:var(--ink-soft);margin:4px 0 0;text-transform:uppercase;letter-spacing:.3px}.muted{color:var(--ink-faint)}.err{background:var(--due-soft);color:var(--due);padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:13px}.view-switch{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}.view-switch .seg{border:none;border-radius:0;background:var(--surface);padding:7px 14px;border-right:1px solid var(--border)}.view-switch .seg:last-child{border-right:none}.view-switch .seg.active{background:var(--accent);color:#fff}.view-switch .seg.active:hover{background:#243845}.cal-head .range{margin-left:6px}.add-cell{width:100%;color:var(--ink-faint);font-size:18px;padding:2px}.day-grid{display:flex}.hours-col{width:64px;flex-shrink:0;border-right:1px solid var(--border)}.hour-row{position:relative}.hour-label{position:absolute;top:-7px;right:8px;font-size:11px;color:var(--ink-faint);font-variant-numeric:tabular-nums}.events-col{position:relative;flex:1}.hour-line{position:absolute;left:0;right:0;border-top:1px solid var(--border)}.event{position:absolute;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:4px 8px;cursor:pointer;overflow:hidden;display:flex;flex-direction:column;gap:1px}.event:hover{filter:brightness(.97)}.event .t{font-weight:600;font-size:12px}.event .n{font-size:12px;color:var(--ink-soft)}.event .p{font-size:11px;color:var(--ink-faint)}.event.done{background:var(--done-soft);border-left-color:var(--done)}.event.cancelled{background:var(--surface-2);border-left-color:var(--border-strong);opacity:.6;text-decoration:line-through}.month-names{display:grid;grid-template-columns:repeat(7,1fr);border-bottom:1px solid var(--border)}.month-name{padding:8px;font-size:11px;text-transform:uppercase;letter-spacing:.3px;color:var(--ink-faint);text-align:center;font-weight:600}.month-grid{display:grid;grid-template-columns:repeat(7,1fr)}.month-cell{min-height:96px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:5px 6px;cursor:pointer;overflow:hidden}.month-cell:nth-child(7n){border-right:none}.month-cell:hover{background:var(--surface-2)}.month-cell.out{background:var(--bg)}.month-cell.out .month-day-num{color:var(--ink-faint)}.month-cell.today .month-day-num{background:var(--accent);color:#fff;border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}.month-day-num{font-size:13px;font-weight:600;margin-bottom:4px}.mini-chip{font-size:11px;padding:2px 5px;margin-bottom:2px;border-radius:4px;background:var(--accent-soft);color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-left:2px solid var(--accent)}.mini-chip:hover{filter:brightness(.96)}.mini-chip.done{background:var(--done-soft);color:var(--done);border-left-color:var(--done)}.mini-chip.cancelled{opacity:.55;text-decoration:line-through}.more{font-size:10px;color:var(--ink-faint);padding-left:2px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 26px;width:100%;max-width:340px;display:flex;flex-direction:column;gap:14px}.login-brand{font-size:20px;font-weight:600;letter-spacing:-.3px;margin-bottom:4px}.login-brand small{display:block;font-weight:400;font-size:12px;color:var(--ink-faint)}.sidebar-user{border-top:1px solid var(--border);padding-top:10px;margin-top:10px}.cred-box{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:15px}.cred-box strong{font-variant-numeric:tabular-nums}.lesson-chip .subj,.event .subj{font-size:11px;color:var(--ink-soft);opacity:.85}.event .subj{display:block}.color-dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--border-strong);cursor:pointer;padding:0}.color-dot:hover{transform:scale(1.1)}.color-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.color-swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0}.color-swatch:hover{transform:scale(1.1)}.color-swatch.selected{border-color:var(--ink);box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--ink)}.legend{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px;padding:4px 2px}.legend-item{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-soft)}.legend-dot{width:13px;height:13px;border-radius:50%;border:1.5px solid var(--border-strong);display:inline-block}.event[draggable=true],.lesson-chip[draggable=true],.mini-chip[draggable=true]{cursor:grab}.event.dragging{opacity:.4}.drop-shadow{position:absolute;left:8px;right:8px;background:var(--accent-soft);border:2px dashed var(--accent);border-radius:var(--radius-sm);display:flex;align-items:flex-start;justify-content:flex-end;font-size:12px;font-weight:600;color:var(--accent);padding:3px 6px;pointer-events:none;z-index:5}.day-col.drop-over,.month-cell.drop-over{background:var(--accent-soft);outline:2px dashed var(--accent);outline-offset:-2px}.info-banner{background:var(--accent-soft);color:var(--accent);padding:9px 12px;border-radius:var(--radius-sm);font-size:13px}@media(max-width:820px){.app{flex-direction:column}.sidebar{width:100%;height:auto;flex-direction:row;align-items:center;gap:6px;padding:8px 10px;border-right:none;border-bottom:1px solid var(--border);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;z-index:20}.sidebar::-webkit-scrollbar{display:none}.brand{margin:0 10px 0 2px;font-size:15px;white-space:nowrap}.brand small{display:none}.nav-item{flex-shrink:0;white-space:nowrap;padding:10px 12px}.sidebar .spacer{display:none}.sidebar-user{border-top:none;border-left:1px solid var(--border);margin:0 0 0 4px;padding:0 0 0 8px;display:flex;align-items:center;flex-shrink:0}.sidebar-user>.muted{display:none}.main{padding:16px 12px;max-width:100%}.page-head{flex-wrap:wrap;gap:10px}.page-head h1{font-size:19px}.row{flex-wrap:wrap}.card{overflow-x:auto;-webkit-overflow-scrolling:touch}.card table{min-width:620px}th,td{padding:10px}.cal-head{flex-wrap:wrap;gap:8px}.cal-head .range{min-width:0;flex:1 1 100%;order:-1}.week{grid-template-columns:repeat(7,minmax(132px,1fr));overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px}.month-cell{min-height:62px;padding:3px}.month-name{padding:6px 2px;font-size:9px}.month-day-num{font-size:12px;margin-bottom:3px}.mini-chip{font-size:0;height:5px;padding:0;margin-bottom:3px;border-radius:3px;border-left-width:0}.more{font-size:9px}.hours-col{width:48px}.field-row{grid-template-columns:1fr}.overlay{padding:0;align-items:flex-end}.modal{max-width:100%;max-height:92vh;border-radius:var(--radius) var(--radius) 0 0}.modal-foot{flex-direction:column-reverse}.modal-foot button{width:100%}input,select,textarea{font-size:16px}button,.nav-item,.seg{min-height:44px}.metrics{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}.metric .value{font-size:20px}}@media(max-width:380px){.main{padding:12px 8px}.metrics{grid-template-columns:1fr 1fr}}