:root{--ink:#17211f;--muted:#7c8783;--line:#e7ebe8;--paper:#f8faf8;--panel:#fff;--blue:#3e73e7;--blue-soft:#eaf0ff;--orange:#eb8a45;--orange-soft:#fff0e5;--green:#3ea77a;--green-soft:#e6f6ee;--purple:#8f68d5;--purple-soft:#f1ebfc;--shadow:0 18px 50px rgba(37,57,47,.07)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:252px;background:#fff;border-right:1px solid var(--line);padding:29px 18px 20px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 11px 33px}.brand-mark{background:var(--ink);color:#fff;width:34px;height:34px;display:grid;place-items:center;font-size:18px;font-weight:800;border-radius:9px}.brand strong{font-size:19px;display:block;letter-spacing:.02em}.brand span{font-family:'DM Mono';font-size:8px;color:#9da7a3;letter-spacing:.13em}.semester-chip{display:flex;align-items:center;padding:11px 10px;background:#f5f7f5;border-radius:9px;gap:9px}.semester-chip .dot{width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 0 4px #dcf3e7}.semester-chip div{flex:1}.semester-chip small,.semester-chip b{display:block}.semester-chip small{font-size:10px;color:var(--muted);margin-bottom:3px}.semester-chip b{font-size:12px}.semester-chip button{font-size:17px;color:var(--muted)}nav{margin-top:30px}.nav-label{font-family:'DM Mono';font-size:10px;color:#a1aba7;letter-spacing:.13em;padding:0 12px;margin:23px 0 9px}.nav-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;padding:11px 12px;border-radius:8px;color:#65716d;font-size:13px;margin:3px 0}.nav-item i{font-style:normal;font-size:18px;width:19px;text-align:center}.nav-item.active{background:var(--ink);color:#fff}.nav-item em{font-style:normal;margin-left:auto;background:#f4d3a8;color:#985b1b;border-radius:20px;padding:2px 7px;font-size:10px}.sidebar-bottom{margin-top:auto}.profile{border-top:1px solid var(--line);padding:19px 5px 14px;display:flex;align-items:center;gap:9px}.avatar{width:32px;height:32px;border-radius:50%;background:#f1d6c5;display:grid;place-items:center;color:#a25836;font-weight:700;font-size:13px}.profile div:nth-child(2){flex:1}.profile b,.profile span{display:block}.profile b{font-size:12px}.profile span{font-size:9px;color:var(--muted);margin-top:3px}.profile button{color:#a1aaa6}.server-status{font-size:10px;color:#99a49f;padding:0 7px}.server-status span{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:5px}.main-content{flex:1;padding:31px 45px 50px;max-width:1500px;margin:0 auto}.topbar{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px}.eyebrow{font-family:'DM Mono';font-size:10px;letter-spacing:.14em;color:#96a09c;margin:0 0 8px}.topbar h1{font-size:30px;line-height:1;margin:0;letter-spacing:-.03em}.top-actions{display:flex;gap:9px;align-items:center}.icon-btn{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;color:#68746f;background:#fff}.outline-btn,.primary-btn,.secondary-btn,.ghost-btn,.danger-btn,.today-btn{padding:10px 15px;border-radius:7px;font-size:12px;font-weight:700}.outline-btn{border:1px solid var(--line);background:#fff}.primary-btn{background:var(--ink);color:#fff}.secondary-btn{background:var(--orange);color:#fff}.ghost-btn{color:#6d7974}.danger-btn{color:#c25546;background:#fff0ee}.stats-row{display:grid;grid-template-columns:repeat(3,145px) 1fr;gap:13px;margin-bottom:25px}.stat-card,.week-progress{background:#fff;border:1px solid var(--line);border-radius:9px;padding:15px 17px}.stat-card span{font-size:11px;color:var(--muted);display:block}.stat-card strong{font-size:27px;line-height:1.3}.stat-card small{font-size:11px;color:var(--muted);margin-left:3px}.week-progress{padding:14px 19px}.progress-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:10px}.progress-head b{font-family:'DM Mono';font-size:11px}.progress{height:6px;background:#edf0ed;border-radius:6px;overflow:hidden}.progress i{display:block;width:42%;height:100%;background:var(--green);border-radius:6px}.week-progress small{display:block;color:var(--muted);font-size:10px;margin-top:9px}.schedule-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.week-switch{display:flex;align-items:center;gap:14px}.week-switch>button:not(.today-btn){font-size:29px;color:#9aa49f;line-height:1}.week-switch b,.week-switch span{display:block}.week-switch b{font-size:14px}.week-switch span{font-family:'DM Mono';font-size:10px;color:var(--muted);margin-top:4px}.today-btn{border:1px solid var(--line);padding:7px 10px;margin-left:5px;font-size:10px}.toolbar-right{display:flex;gap:10px}.segmented{display:flex;background:#edf0ed;padding:3px;border-radius:7px}.segmented button{font-size:11px;padding:6px 12px;border-radius:5px;color:#7b8580}.segmented .selected{background:#fff;color:var(--ink);box-shadow:0 1px 3px #dfe4df}.calendar-wrap{display:flex;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}.time-column{width:82px;flex-shrink:0;border-right:1px solid var(--line)}.corner{height:64px;border-bottom:1px solid var(--line)}.period{height:108px;border-bottom:1px solid var(--line);font-family:'DM Mono';font-size:10px;color:#8e9994;padding:15px 8px;text-align:right;line-height:1.5}.period small{font-size:9px;color:#b0b8b4}.days-grid{flex:1;display:grid;grid-template-columns:repeat(7,minmax(100px,1fr));overflow-x:auto}.day-column{min-width:100px;position:relative;border-right:1px solid var(--line)}.day-column:last-child{border-right:0}.day-head{height:64px;border-bottom:1px solid var(--line);padding:12px 13px}.day-head span{display:block;font-size:10px;color:var(--muted)}.day-head b{font-size:20px;line-height:1.2}.day-head.today b{color:var(--blue)}.slot{height:108px;border-bottom:1px solid var(--line);position:relative;padding:7px}.course{position:relative;height:94px;border-radius:7px;padding:10px 10px;color:var(--ink);overflow:hidden;cursor:pointer;transition:transform .15s}.course:hover{transform:translateY(-2px)}.course b{display:block;font-size:12px;line-height:1.35}.course span{display:block;font-size:10px;margin-top:7px;color:#5d6964}.course small{display:block;font-family:'DM Mono';font-size:9px;color:#76827d;margin-top:3px}.course.blue{background:var(--blue-soft);border-left:3px solid var(--blue)}.course.orange{background:var(--orange-soft);border-left:3px solid var(--orange)}.course.green{background:var(--green-soft);border-left:3px solid var(--green)}.course.purple{background:var(--purple-soft);border-left:3px solid var(--purple)}.legend{display:flex;align-items:center;gap:20px;padding:16px 4px;color:#7d8984;font-size:10px}.legend-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:5px}.legend-dot.blue,.blue{background:var(--blue)}.legend-dot.orange,.orange{background:var(--orange)}.legend-dot.green,.green{background:var(--green)}.legend-dot.purple,.purple{background:var(--purple)}.legend-note{margin-left:auto;color:#a4ada9}.hidden{display:none!important}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;margin:20px 0 28px}.section-heading h2{font-size:27px;margin:0 0 8px;letter-spacing:-.03em}.section-heading p:not(.eyebrow){color:var(--muted);font-size:12px;margin:0}.step-badge{font-family:'DM Mono';font-size:11px;color:var(--blue);background:var(--blue-soft);padding:8px 10px;border-radius:6px}.import-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.import-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:25px;min-height:330px}.import-icon{width:37px;height:37px;border-radius:8px;display:grid;place-items:center;font-size:20px;margin-bottom:17px}.blue-bg{background:var(--blue-soft);color:var(--blue)}.orange-bg{background:var(--orange-soft);color:var(--orange)}.import-card h3{font-size:16px;margin:0 0 8px}.import-card p{font-size:11px;color:var(--muted);line-height:1.7;margin:0 0 20px;max-width:410px}.upload-zone{border:1.5px dashed #cfd9d3;border-radius:8px;height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#77837e;cursor:pointer}.upload-zone span{font-size:25px;color:var(--blue);margin-bottom:5px}.upload-zone b{font-size:12px}.upload-zone small{font-size:10px;margin-top:5px;color:#a0aaa5}.upload-zone input{display:none}.format-hint{font-size:10px;color:#9ca6a2;margin-top:14px}.format-hint button{color:var(--blue);font-size:10px}.import-card textarea{width:100%;height:130px;border:1px solid var(--line);border-radius:7px;padding:12px;font-size:11px;resize:vertical;outline:none}.import-card textarea:focus{border-color:var(--blue)}.import-card .secondary-btn{display:block;margin-top:12px}.preview-panel{background:#fff;border:1px solid var(--line);border-radius:10px;margin-top:18px;padding:19px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.preview-header h3{font-size:15px;margin:0 0 4px}.preview-header span{font-size:10px;color:var(--muted)}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:11px}th{text-align:left;color:#8a9690;font-weight:500;background:#f7f9f7}th,td{padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}.task-list{max-width:780px;background:#fff;border:1px solid var(--line);border-radius:10px}.task-item{display:flex;align-items:center;gap:13px;padding:19px;border-bottom:1px solid var(--line)}.task-item:last-child{border-bottom:0}.task-check{width:19px;height:19px;border:1px solid #ccd5cf;border-radius:50%;color:#fff;display:grid;place-items:center;font-size:11px}.task-check.done{background:var(--green);border-color:var(--green)}.task-item div{flex:1}.task-item b,.task-item small{display:block}.task-item b{font-size:12px}.task-item small{font-size:10px;color:var(--muted);margin-top:5px}.task-tag{font-size:9px;color:#7d8984;background:#f2f5f2;padding:6px 8px;border-radius:5px}.task-tag.urgent{color:#c4633e;background:var(--orange-soft)}.settings-list{max-width:780px;background:#fff;border:1px solid var(--line);border-radius:10px}.settings-list label{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}.settings-list label:last-child{border-bottom:0}.settings-list b,.settings-list small{display:block}.settings-list b{font-size:12px}.settings-list small{font-size:10px;color:var(--muted);margin-top:5px}.settings-list input[type=checkbox]{appearance:none;width:38px;height:22px;border-radius:20px;background:#dce2dd;position:relative;cursor:pointer}.settings-list input[type=checkbox]:checked{background:var(--green)}.settings-list input[type=checkbox]:before{content:'';position:absolute;background:#fff;width:16px;height:16px;border-radius:50%;left:3px;top:3px;transition:.2s}.settings-list input[type=checkbox]:checked:before{left:19px}.modal{position:fixed;inset:0;background:rgba(23,33,31,.35);display:grid;place-items:center;padding:20px;z-index:5}.modal-card{background:#fff;width:min(520px,100%);border-radius:12px;padding:27px;box-shadow:0 24px 80px rgba(0,0,0,.18)}.modal-head{display:flex;justify-content:space-between;margin-bottom:22px}.modal-head h2{margin:0;font-size:22px}.close-btn{font-size:25px;color:#96a09b}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label,.modal-card>form>label{font-size:11px;color:#66736d}.form-grid input,.form-grid select{display:block;width:100%;border:1px solid var(--line);border-radius:6px;padding:10px;margin-top:7px;font-size:12px;outline:none;background:#fff}.color-picker{display:flex;align-items:center;gap:10px;margin-top:9px}.color-picker input{display:none}.color-picker i{width:22px;height:22px;border-radius:50%;display:block;outline:3px solid transparent;outline-offset:2px;cursor:pointer}.color-picker input:checked+i{outline-color:#bdc9c2}.modal-actions{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--line);padding-top:18px;margin-top:23px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:11px 16px;border-radius:7px;font-size:11px;opacity:0;pointer-events:none;transition:.25s;z-index:9}.toast.show{opacity:1;transform:translate(-50%,0)}body.dark{--ink:#edf3ee;--muted:#a1ada6;--line:#34413b;--paper:#18211e;--panel:#202b27}body.dark .sidebar,body.dark .stat-card,body.dark .week-progress,body.dark .calendar-wrap,body.dark .import-card,body.dark .preview-panel,body.dark .task-list,body.dark .settings-list,body.dark .modal-card,body.dark .outline-btn,body.dark .icon-btn{background:#202b27;color:var(--ink)}body.dark .semester-chip,body.dark th{background:#293630}body.dark .course span,body.dark .course small{color:#58655f}@media(max-width:900px){.sidebar{width:205px}.main-content{padding:25px 22px}.stats-row{grid-template-columns:repeat(3,1fr)}.week-progress{grid-column:1/-1}.import-grid{grid-template-columns:1fr}}@media(max-width:650px){.sidebar{width:62px;padding:20px 10px}.brand{padding:0 4px 28px}.brand>div:last-child,.semester-chip div,.semester-chip button,.nav-label,.nav-item:not(.active)::after,.nav-item{font-size:0}.semester-chip{padding:11px 14px}.nav-item{justify-content:center;padding:12px}.nav-item i{font-size:19px}.nav-item em,.profile div:nth-child(n+2),.profile button,.server-status{display:none}.profile{justify-content:center}.main-content{padding:20px 13px}.topbar{align-items:flex-start}.topbar h1{font-size:24px}.top-actions .outline-btn{display:none}.stats-row{gap:7px}.stat-card{padding:12px 10px}.stat-card strong{font-size:22px}.schedule-toolbar{align-items:flex-start}.calendar-wrap{overflow-x:auto}.time-column{width:66px}.days-grid{min-width:760px}.legend{flex-wrap:wrap;gap:10px}.legend-note{margin-left:0;width:100%}.form-grid{grid-template-columns:1fr}.section-heading h2{font-size:23px}}
:root{--week-hint:#8b9791}.week-form-hint{font-size:10px;color:var(--week-hint);margin-top:10px}
#weekSelect{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px;color:var(--ink);font-size:11px;margin-left:2px;outline:none}body.dark #weekSelect{background:#202b27;color:var(--ink)}
.period,.slot{height:82px}.period{font-size:11px;padding:11px 8px;color:#68756f}.period small{font-size:10px;color:#86938d}.course{height:auto;min-height:68px;padding:10px 11px}.course b{font-size:13px;line-height:1.35}.course span{font-size:11px;margin-top:6px;color:#5d6964}.course small{font-size:10px;margin-top:5px;color:#68756f}.day-head{height:60px;padding:10px 13px}.day-head b{font-size:21px}
.main-content{font-size:14px}.week-switch b{font-size:16px}.week-switch span{font-size:11px}.stat-card span,.week-progress,.stat-card small{font-size:12px}.stat-card strong{font-size:29px}.legend{font-size:11px}
.auth-screen{position:fixed;inset:0;background:#f8faf8;display:grid;place-items:center;z-index:20}.auth-card{width:min(390px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:12px;padding:34px;box-shadow:var(--shadow)}.auth-brand{padding:0 0 28px}.auth-card h2{font-size:26px;margin:0 0 7px}.auth-card p{font-size:11px;color:var(--muted);margin:0 0 22px}.auth-card form{display:grid;gap:10px}.auth-card input{border:1px solid var(--line);border-radius:7px;padding:12px;font-size:12px;outline:none}.auth-card input:focus{border-color:var(--blue)}.auth-card form .primary-btn{width:100%;margin-top:5px}.link-btn{font-size:11px;color:var(--blue);margin:18px auto 0;display:block}.demo-hint{display:block;text-align:center;color:#9aa59f;font-size:10px;margin-top:19px}.user-btn{position:fixed;right:18px;bottom:18px;z-index:4;background:#fff;border:1px solid var(--line);border-radius:7px;padding:8px 11px;font-size:10px;color:#63706a;display:none}