:root{--ink:#20231f;--muted:#777b73;--paper:#f4f5f0;--white:#fff;--line:#e4e6df;--green:#355d4b;--green-soft:#e5eee8;--red:#b45142;--orange:#c47a35;--yellow:#e9c66b;--shadow:0 10px 40px rgba(34,44,36,.08)}
*{box-sizing:border-box}html{font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",system-ui,sans-serif;color:var(--ink);background:var(--paper)}body{margin:0;min-height:100vh}.app-shell{display:grid;grid-template-columns:252px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fbfcf9;border-right:1px solid var(--line);padding:32px 20px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 12px 34px;color:var(--ink);text-decoration:none;font-family:serif;font-weight:700;font-size:22px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--green);color:#fff;font-size:20px}.nav{display:grid;gap:7px}.nav-item{border:0;background:transparent;border-radius:10px;padding:12px 13px;text-align:left;font:inherit;color:#666b64;cursor:pointer;display:flex;gap:12px;align-items:center}.nav-item span{font-size:19px;width:22px;text-align:center}.nav-item:hover{background:#f0f2ed}.nav-item.active{background:var(--green-soft);color:var(--green);font-weight:700}.sidebar-bottom{margin-top:auto;display:grid;gap:20px}.notification-button{border:1px solid #dfe5de;background:#f4f8f4;border-radius:12px;padding:12px;display:flex;text-align:left;gap:10px;cursor:pointer;color:var(--green)}.notification-button>span:first-child{font-size:20px}.notification-button strong,.notification-button small,.profile strong,.profile small{display:block}.notification-button small,.profile small{font-size:11px;margin-top:3px;color:var(--muted)}.profile{border-top:1px solid var(--line);padding:18px 8px 0;display:flex;gap:11px;align-items:center;font-size:13px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e5ddd0;font-family:serif;font-weight:700}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:flex-end;padding:0 5vw;background:rgba(244,245,240,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:5}.date-chip{margin-right:auto;color:var(--muted);font-size:13px}.primary-button,.secondary-button,.text-button{font:inherit;cursor:pointer;border-radius:9px}.primary-button{border:0;background:var(--green);color:white;padding:12px 18px;font-weight:700;box-shadow:0 4px 12px rgba(53,93,75,.17)}.primary-button:hover{background:#294b3c}.secondary-button{border:1px solid var(--line);background:white;padding:11px 17px}.text-button{border:0;background:transparent;color:var(--green);font-weight:700}.mobile-menu{display:none;border:0;background:none;font-size:24px}.content{max-width:1050px;margin:auto;padding:54px 40px 80px}.hero-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.18em;color:var(--orange);margin:0 0 10px}h1{font-family:serif;font-size:36px;margin:0 0 10px;letter-spacing:.02em}.subtitle{color:var(--muted);margin:0}.progress-ring{--progress:0deg;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) var(--progress),#dfe3dc 0);position:relative}.progress-ring:before{content:"";position:absolute;inset:7px;background:var(--paper);border-radius:50%}.progress-ring div{z-index:1;text-align:center}.progress-ring strong,.progress-ring small{display:block}.progress-ring strong{font-family:serif;font-size:19px}.progress-ring small{font-size:10px;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);background:white;border:1px solid var(--line);border-radius:14px;margin-bottom:26px}.stats article{padding:21px 24px;display:flex;align-items:center;gap:15px}.stats article+article{border-left:1px solid var(--line)}.stat-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800}.stat-icon.red{background:#f7e7e3;color:var(--red)}.stat-icon.orange{background:#f8eddf;color:var(--orange)}.stat-icon.green{background:var(--green-soft);color:var(--green)}.stats strong,.stats small{display:block}.stats strong{font-family:serif;font-size:23px}.stats small{font-size:11px;color:var(--muted)}.toolbar{display:flex;justify-content:space-between;gap:15px;margin-bottom:15px}.search{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);border-radius:9px;padding:0 12px;width:290px}.search input{border:0;outline:0;width:100%;padding:10px 0;font:inherit;font-size:13px}.toolbar select{border:1px solid var(--line);background:white;border-radius:9px;padding:0 12px;color:#63675f}.assignment-list{display:grid;gap:10px}.assignment-card{background:white;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 20px;transition:.2s}.assignment-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.assignment-card.overdue{border-left:4px solid var(--red)}.assignment-card.due-soon:not(.overdue){border-left:4px solid var(--orange)}.check{appearance:none;width:22px;height:22px;border:2px solid #b7bdb6;border-radius:50%;cursor:pointer;display:grid;place-items:center}.check:checked{background:var(--green);border-color:var(--green)}.check:checked:after{content:"✓";color:white;font-size:13px}.assignment-main{min-width:0}.assignment-main h3{margin:0 0 7px;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.assignment-card.completed .assignment-main h3{text-decoration:line-through;color:#92968f}.meta{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);flex-wrap:wrap}.subject-tag{background:#eef0eb;color:#5c625b;padding:4px 8px;border-radius:5px}.priority-dot{width:6px;height:6px;border-radius:50%;background:var(--yellow)}.priority-dot.high{background:var(--red)}.priority-dot.low{background:#7ba18f}.deadline{text-align:right}.deadline strong,.deadline small{display:block}.deadline strong{font-size:13px}.deadline small{color:var(--muted);font-size:10px;margin-top:5px}.overdue .deadline strong{color:var(--red)}.card-actions{display:flex;gap:3px;opacity:0;transition:.2s}.assignment-card:hover .card-actions{opacity:1}.card-actions button,.icon-button{border:0;background:transparent;color:#8a8e87;cursor:pointer;font-size:17px;padding:6px}.card-right{display:flex;align-items:center;gap:14px}.empty-state{text-align:center;padding:70px 20px;color:var(--muted)}.empty-state h2{font-family:serif;color:var(--ink)}.empty-icon{margin:auto;width:55px;height:55px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;color:var(--green);font-size:24px}dialog{border:0;border-radius:16px;padding:0;width:min(560px,calc(100vw - 28px));box-shadow:0 30px 80px rgba(25,35,28,.25)}dialog::backdrop{background:rgba(24,29,25,.48);backdrop-filter:blur(3px)}form{padding:28px}.dialog-header{display:flex;justify-content:space-between;margin-bottom:24px}.dialog-header h2{font-family:serif;margin:0}.dialog-header .icon-button{font-size:27px}form>label,.form-grid label{display:grid;gap:7px;font-size:12px;font-weight:700;margin-bottom:17px}form label span{color:var(--red)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}input,select,textarea{font:inherit}form input,form select,form textarea{width:100%;border:1px solid #daddd7;border-radius:8px;padding:11px;background:#fbfcfa;outline:0}form input:focus,form select:focus,form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}textarea{resize:vertical}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:8px}.toast{position:fixed;right:25px;bottom:25px;background:#24372e;color:white;padding:13px 18px;border-radius:9px;box-shadow:var(--shadow);opacity:0;transform:translateY(15px);pointer-events:none;transition:.25s;z-index:10}.toast.show{opacity:1;transform:none}
@media(max-width:760px){.app-shell{display:block}.sidebar{position:fixed;z-index:20;transform:translateX(-100%);transition:.25s;width:252px;box-shadow:var(--shadow)}.sidebar.open{transform:none}.mobile-menu{display:block;margin-right:15px}.topbar{padding:0 20px}.date-chip{display:none}.content{padding:35px 18px 60px}.hero-row{align-items:flex-start}.progress-ring{width:70px;height:70px}.stats article{padding:15px 10px;gap:8px}.stat-icon{width:30px;height:30px}.stats small{font-size:9px}.toolbar{align-items:stretch}.search{width:100%}.toolbar select{width:120px}.assignment-card{padding:15px 12px;gap:10px}.card-right{gap:5px}.deadline{min-width:70px}.card-actions{opacity:1;display:grid}.form-grid{grid-template-columns:1fr}.assignment-main h3{max-width:45vw}h1{font-size:30px}}
.reminder-field{border:0;padding:0;margin:0 0 17px}.reminder-field legend{font-size:12px;font-weight:700;margin-bottom:7px}.reminder-options{display:flex;flex-wrap:wrap;gap:7px}.reminder-options label{display:flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:7px;padding:7px 8px;margin:0;font-size:10px;background:#fbfcfa;cursor:pointer}.reminder-options input{width:auto;margin:0;accent-color:var(--green)}.label-note{color:var(--muted);font-weight:400}.file-status{color:var(--green)!important;font-size:11px}.subtask-editor{border-top:1px solid var(--line);padding-top:16px;margin-bottom:18px}.subtask-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-bottom:8px}.subtask-row{display:flex;gap:7px;margin-bottom:7px}.subtask-row input{padding:9px}.subtask-row button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:18px}.subtask-list{display:grid;gap:5px;margin-top:9px}.subtask-item{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.subtask-item input{accent-color:var(--green)}.subtask-item.done span{text-decoration:line-through}.resource-links{display:flex;gap:8px;margin-top:8px}.resource-links a{font-size:10px;color:var(--green);text-decoration:none;border-bottom:1px solid #b7c9bf}.calendar{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.calendar-header{display:flex;align-items:center;justify-content:center;gap:20px;padding:18px;border-bottom:1px solid var(--line)}.calendar-header h2{font-family:serif;margin:0;min-width:150px;text-align:center}.calendar-header button{border:0;background:var(--green-soft);color:var(--green);width:30px;height:30px;border-radius:50%;font-size:21px;cursor:pointer}.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr)}.calendar-weekdays span{padding:10px;text-align:center;font-size:10px;color:var(--muted);border-bottom:1px solid var(--line)}.calendar-day{min-height:112px;padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}.calendar-day:nth-child(7n){border-right:0}.calendar-day.outside{background:#fafbf8;color:#b9bcb7}.calendar-day.today .day-number{background:var(--green);color:#fff}.day-number{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;font-size:11px}.calendar-assignment{display:block;margin-top:5px;padding:4px 5px;border-radius:4px;background:var(--green-soft);color:var(--green);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.calendar-assignment.high{background:#f7e7e3;color:var(--red)}
@media(max-width:760px){.calendar-day{min-height:82px;padding:4px}.calendar-assignment{font-size:0;height:7px;padding:0;border-radius:4px}.reminder-options label{padding:6px}.resource-links{max-width:45vw;flex-wrap:wrap}}
.next-up{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin:-10px 0 26px;padding:15px 18px;border-radius:13px;background:#243d32;color:#fff;box-shadow:0 8px 24px rgba(36,61,50,.14)}.next-up-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.12);font-size:20px}.next-up-copy span,.next-up-copy strong,.next-up-copy small{display:block}.next-up-copy span{text-transform:uppercase;letter-spacing:.12em;font-size:8px;color:#bcd0c5;margin-bottom:3px}.next-up-copy strong{font-size:14px}.next-up-copy small{color:#cbd8d1;font-size:10px;margin-top:3px}.next-up-action{border:1px solid rgba(255,255,255,.28);background:transparent;color:white;border-radius:8px;padding:8px 11px;font:inherit;font-size:11px;font-weight:700;cursor:pointer}.next-up-action:hover{background:rgba(255,255,255,.1)}.status-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border-radius:5px;font-size:10px;font-weight:800}.status-badge.overdue{background:#f7e7e3;color:var(--red)}.status-badge.today{background:#f8eddf;color:#9b5c23}.status-badge.upcoming{background:#edf2ee;color:var(--green)}.card-topline{display:flex;align-items:center;gap:8px;margin-bottom:6px}.card-topline h3{margin:0}.memo-line{margin:8px 0 0;color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subtask-summary{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:10px;color:var(--muted)}.mini-progress{width:90px;height:5px;border-radius:5px;background:#e7e9e4;overflow:hidden}.mini-progress span{display:block;height:100%;background:var(--green);border-radius:5px}.deadline{border-left:1px solid var(--line);padding-left:18px;min-width:105px}.deadline small{font-weight:700}.assignment-card.overdue .deadline small{color:var(--red)}.assignment-card.due-soon .deadline small{color:#9b5c23}.form-section-title{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding-top:17px;margin:5px 0 14px}.form-section-title span{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:white;font-size:10px}.form-section-title strong{font-size:12px}.form-section-title small{margin-left:auto;color:var(--muted);font-size:10px}
@media(max-width:760px){.next-up{grid-template-columns:auto 1fr}.next-up-action{display:none}.memo-line{max-width:45vw}.deadline{padding-left:9px;min-width:77px}.status-badge{font-size:8px}.card-topline{align-items:flex-start;flex-direction:column}.card-topline h3{max-width:43vw}}
.card-actions{opacity:1}.card-actions .edit-action{width:30px;height:30px;border-radius:7px}.card-actions .edit-action:hover{background:#eef0eb;color:var(--green)}.card-actions .delete-action{font-size:10px;color:var(--red);background:#fbefec;border:1px solid #f0d6d0;border-radius:7px;padding:7px 8px;font-weight:700}.card-actions .delete-action:hover{background:#f6ded8}.completed .delete-action{opacity:1}