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svg{width:16px;height:16px}.main-header .btn-icon-only{width:36px;min-width:36px;padding:0}.main-header .header-action-home{border-color:color-mix(in srgb, var(--accent-blue) 25%, var(--line-soft));background:color-mix(in srgb, var(--accent-blue) 8%, var(--surface-elevated));color:var(--accent-blue)}.main-header .header-action-today{border-color:color-mix(in srgb, var(--accent-green) 25%, var(--line-soft));background:color-mix(in srgb, var(--accent-green) 9%, var(--surface-elevated));color:var(--accent-green)}.main-header .header-action-catalog{border-color:color-mix(in srgb, var(--accent) 25%, var(--line-soft));background:color-mix(in srgb, var(--accent) 8%, var(--surface-elevated));color:var(--accent)}.main-header .header-action-add{border-color:color-mix(in srgb, var(--accent-blue) 22%, var(--line-soft));background:color-mix(in srgb, var(--accent-blue) 7%, var(--surface-elevated));color:var(--accent-blue)}.main-header .header-action-calendar{border-color:color-mix(in srgb, var(--warning) 24%, var(--line-soft));background:color-mix(in srgb, var(--warning) 8%, var(--surface-elevated));color:var(--warning)}.main-header .header-action-archive{border-color:color-mix(in srgb, var(--accent-green) 24%, var(--line-soft));background:color-mix(in srgb, var(--accent-green) 8%, var(--surface-elevated));color:var(--accent-green)}.main-header .header-action-theme,.main-header .header-action-more{border-color:var(--line-soft);background:color-mix(in srgb, var(--surface-elevated) 88%, transparent);color:var(--text-primary)}.main-header .header-action-more{letter-spacing:0;min-width:42px;padding:0 12px;font-size:18px;font-weight:820}.header-actions-scroll{min-width:0}.days-carousel-track{grid-template-columns:minmax(0,1fr);align-items:stretch;gap:0;display:grid}.subtitle{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:12px;overflow:hidden}@media (width<=768px){.main-header{grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:7px 10px;min-height:76px;padding:9px 10px 8px;display:grid;overflow:visible;height:auto!important}.header-brand{min-width:0;overflow:hidden}.header-brand h1{text-overflow:ellipsis;max-width:92px;overflow:hidden}.header-actions-row{scrollbar-width:none;-webkit-overflow-scrolling:touch;grid-column:1/-1;width:100%;min-width:0;padding-bottom:1px;overflow:auto hidden;margin-left:0!important}.header-actions-row::-webkit-scrollbar{display:none}.header-actions-row .btn{flex:none}.header-actions-row>span{display:none!important}.action-menu{min-width:0}}.app-phone-layout .main-header{grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:7px 10px;min-height:76px;padding:9px 10px 8px;display:grid;overflow:visible;height:auto!important}.app-phone-layout .header-brand{min-width:0;overflow:hidden}.app-phone-layout .header-brand 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32px);min-width:0;max-width:1180px;height:calc(100dvh - 88px);min-height:0;box-shadow:0 34px 90px #0f172a3d, var(--shadow-strong);-webkit-backdrop-filter:blur(22px)saturate(170%);border-radius:24px;display:flex;position:relative;overflow:hidden}.calendar-overlay-close{z-index:2;border:1px solid var(--line-soft);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 88%, transparent);width:30px;height:30px;color:var(--danger);cursor:pointer;box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(16px);font-size:18px;line-height:1;position:absolute;top:12px;right:12px}.calendar-overlay-close:hover{background:#ff3b301f}@media (width<=768px){.calendar-overlay{align-items:flex-end;padding:10px 0 0}.calendar-overlay-shell{border-radius:20px 20px 0 0;width:100vw;height:calc(100dvh - 10px);min-height:0}.calendar-overlay-close{top:10px;right:10px}}.mobile-picker-overlay{z-index:3150;-webkit-backdrop-filter:blur(14px)saturate(150%);background:linear-gradient(#f5f7fb29,#f5f7fb94);justify-content:center;align-items:flex-end;padding:0;display:flex;position:fixed;inset:0}html[data-theme=dark] .mobile-picker-overlay{background:linear-gradient(#080c1238,#080c12ad)}.mobile-picker-panel{width:100vw;height:min(680px, calc(var(--app-stable-viewport-height) - var(--safe-top) - 10px));max-height:calc(var(--app-stable-viewport-height) - var(--safe-top) - 10px);border:1px solid color-mix(in srgb, var(--line-soft) 70%, transparent);border-radius:var(--radius-bottom-sheet);background:color-mix(in srgb, var(--surface-strong) 98%, var(--bg-base));-webkit-backdrop-filter:blur(20px)saturate(160%);padding:18px 14px calc(16px + var(--app-tabbar-floating-bottom));grid-template-rows:auto auto minmax(0,1fr);gap:10px;display:grid;position:relative;overflow:hidden;box-shadow:0 12px 28px #00000038,inset 0 1px #ffffff1a}.mobile-picker-panel:before{content:"";border-radius:var(--radius-full);background:color-mix(in srgb, var(--text-tertiary) 46%, transparent);width:42px;height:5px;position:absolute;top:8px;left:50%;transform:translate(-50%)}.mobile-picker-header{flex:none;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding-top:4px;display:grid}.mobile-picker-title-line{align-items:baseline;gap:8px;min-width:0;display:flex}.mobile-picker-header h2{color:var(--text-primary);font-family:var(--font-display);text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:780;line-height:1.2;overflow:hidden}.mobile-picker-header p{color:var(--text-secondary);white-space:nowrap;font-size:12px;font-weight:720}.mobile-picker-header-actions{align-items:center;gap:8px;display:flex}.mobile-picker-close{border:1px solid color-mix(in srgb, var(--line-soft) 70%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 76%, transparent);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;font-size:18px;line-height:1;box-shadow:inset 0 1px #ffffff52}.mobile-picker-done{border-radius:999px;min-height:32px;padding:0 14px;font-size:13px}.mobile-picker-selected,.mobile-picker-directory{border:1px solid color-mix(in srgb, var(--line-soft) 68%, transparent);background:color-mix(in srgb, var(--surface-elevated) 92%, var(--bg-base));border-radius:22px;min-width:0;box-shadow:inset 0 1px #ffffff1f}.mobile-picker-selected{background:0 0;border:none;flex:none;padding:0}.mobile-picker-directory{flex-direction:column;flex:auto;gap:10px;min-height:0;padding:12px;display:flex}.mobile-picker-selected .mobile-picker-section-title{display:none}.mobile-picker-section-title{color:var(--text-primary);justify-content:space-between;align-items:center;gap:10px;margin-bottom:2px;font-size:14px;font-weight:800;display:flex}.mobile-picker-section-title em{color:var(--text-tertiary);flex:none;font-size:11px;font-style:normal;font-weight:700}.mobile-picker-category-title{border-radius:var(--radius-full);min-width:0;min-height:28px;color:var(--text-primary);cursor:pointer;font:inherit;text-align:left;background:0 0;border:0;flex:auto;padding:0;font-weight:800;line-height:1}.mobile-picker-category-expand{border:1px solid color-mix(in srgb, var(--line-soft) 68%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 90%, var(--bg-base));min-height:34px;color:var(--text-primary);cursor:pointer;align-self:flex-start;padding:0 14px;font-size:12px;font-weight:800}.mobile-picker-selected-empty{border:1px solid color-mix(in srgb, var(--line-soft) 72%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 90%, var(--bg-base));min-height:30px;color:var(--text-secondary);align-items:center;padding:0 11px;font-size:12px;font-weight:720;display:inline-flex}.mobile-picker-selected-list{overscroll-behavior:contain;scrollbar-width:none;flex-direction:row;gap:6px;padding:1px 2px 3px;display:flex;overflow:auto hidden}.mobile-picker-selected-list::-webkit-scrollbar{display:none}.mobile-picker-selected-item{border:1px solid color-mix(in srgb, var(--line-soft) 70%, transparent);border-left:3px solid var(--accent-blue);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-soft) 90%, var(--bg-base));flex:none;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:6px;max-width:min(72vw,260px);min-height:34px;padding:5px 6px 5px 9px;display:grid}.mobile-picker-selected-seq{display:none}.mobile-picker-selected-badge,.mobile-picker-item-badge{border-radius:var(--radius-sm);white-space:nowrap;border:.5px solid;padding:2px 6px;font-size:10px;font-weight:700}.mobile-picker-selected-main{min-width:0;display:block}.mobile-picker-selected-main strong,.mobile-picker-item-name{min-width:0;color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.mobile-picker-selected-main strong{font-size:12px;line-height:1.25}.mobile-picker-selected-main small{display:none}.mobile-picker-selected-item>button{border:1px solid color-mix(in srgb, var(--danger) 18%, transparent);border-radius:var(--radius-full);background:var(--danger-soft);width:24px;height:24px;color:var(--danger);cursor:pointer;font-size:15px}.mobile-picker-subject-tabs{scrollbar-width:none;-webkit-overflow-scrolling:touch;flex:none;align-items:center;gap:7px;min-height:36px;padding-bottom:2px;display:flex;overflow:auto hidden}.mobile-picker-subject-tabs button{border:1px solid color-mix(in srgb, var(--line-soft) 68%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 90%, var(--bg-base));height:34px;color:var(--text-primary);cursor:pointer;white-space:nowrap;flex:none;padding:0 12px;font-size:12px;font-weight:800;line-height:1}.mobile-picker-subject-tabs .mobile-picker-manage{background:color-mix(in srgb, var(--accent-blue) 8%, var(--surface-elevated));color:var(--accent-blue)}.mobile-picker-full{border:1px dashed var(--line-primary);background:var(--surface-strong);color:var(--text-secondary);text-align:center;border-radius:13px;flex:none;padding:8px 10px;font-size:12px}.mobile-picker-search{border:1px solid color-mix(in srgb, var(--line-soft) 66%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-elevated) 92%, var(--bg-base));width:100%;min-height:38px;color:var(--text-primary);outline:none;flex:none;padding:0 14px;font-size:13px}.mobile-picker-course-scroll{overscroll-behavior:contain;flex-direction:column;flex:auto;gap:8px;min-height:0;padding-right:2px;display:flex;overflow-y:auto}.mobile-picker-empty{border:1px solid var(--line-soft);background:var(--surface-strong);color:var(--text-secondary);text-align:center;border-radius:13px;padding:14px 12px;font-size:13px}.mobile-picker-group{background:0 0;border:none;border-radius:18px;flex:none;overflow:visible}.mobile-picker-group-header{border:1px solid color-mix(in srgb, var(--line-soft) 66%, transparent);background:color-mix(in srgb, var(--surface-elevated) 92%, var(--bg-base));width:100%;min-height:44px;color:var(--text-primary);cursor:pointer;font-family:var(--font-body);text-align:left;border-radius:18px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;font-size:13px;font-weight:800;display:grid;box-shadow:inset 0 1px #ffffff3d}.mobile-picker-group-header:hover{background:color-mix(in srgb, var(--surface-soft) 94%, var(--bg-base))}.mobile-picker-group-header span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.mobile-picker-group-header em{border:1px solid color-mix(in srgb, var(--line-soft) 70%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-strong) 92%, var(--bg-base));min-width:34px;color:var(--text-secondary);text-align:center;flex:none;padding:3px 7px;font-size:11px;font-style:normal;font-weight:700}.mobile-picker-group-body{flex-direction:column;gap:7px;padding:7px 0 0;display:flex}.mobile-picker-item{border:1px solid color-mix(in srgb, var(--line-soft) 62%, transparent);background:color-mix(in srgb, var(--surface-soft) 92%, var(--bg-base));cursor:pointer;width:100%;min-height:42px;font-family:var(--font-body);text-align:left;border-radius:16px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 10px;display:grid}.mobile-picker-item:disabled{cursor:not-allowed;opacity:.5}.mobile-picker-item-name{font-size:13px}.mobile-picker-item-duration{color:var(--text-secondary);white-space:nowrap;font-size:11px}@media (width<=390px){.mobile-picker-panel{padding:12px 10px calc(12px + var(--safe-bottom));gap:10px}.mobile-picker-header{gap:8px}.mobile-picker-done{padding:0 12px}.mobile-picker-selected,.mobile-picker-directory{border-radius:15px}.mobile-picker-selected{padding:0}.mobile-picker-directory{padding:9px}}.btn{min-height:var(--control-height-sm);border-radius:var(--radius-inner-control);font-size:13px;font-weight:700;font-family:var(--font-body);cursor:pointer;white-space:nowrap;letter-spacing:0;box-shadow:none;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 14px;line-height:1;transition:transform .16s,background-color .18s,border-color .18s,color .18s,box-shadow .18s,opacity .18s;display:inline-flex}.btn:active{transform:scale(.985)}.btn:disabled{cursor:not-allowed;opacity:.55}.btn-primary{border-color:color-mix(in srgb, #fff 24%, var(--color-action-primary));background:linear-gradient(180deg, color-mix(in srgb, var(--color-action-primary) 92%, #fff 8%), var(--color-action-primary));color:var(--color-action-label-primary);box-shadow:0 10px 22px color-mix(in srgb, var(--color-action-primary) 20%, transparent), inset 0 1px 0 #ffffff47}.btn-primary:hover{filter:none;box-shadow:0 13px 26px color-mix(in srgb, var(--color-action-primary) 26%, transparent), inset 0 1px 0 #ffffff57}.btn-secondary,.btn-outline{background:color-mix(in srgb, var(--surface-elevated) 88%, transparent);color:var(--text-primary);border-color:var(--line-soft);box-shadow:var(--shadow-apple-soft)}.btn-secondary:hover,.btn-outline:hover{background:var(--surface-strong);border-color:var(--line-primary)}.btn-danger,.btn-danger-outline{background:color-mix(in srgb, var(--danger-soft) 56%, transparent);color:var(--danger);border-color:#ff3b3038}.btn-danger:hover,.btn-danger-outline:hover{background:var(--danger-soft);border-color:#ff3b3052}.btn-icon,.btn-icon-only{width:var(--control-height-sm);min-width:var(--control-height-sm);height:var(--control-height-sm);min-height:var(--control-height-sm);background:color-mix(in srgb, var(--surface-elevated) 84%, transparent);color:var(--text-secondary);border:1px solid var(--line-soft);border-radius:50%;padding:0}.btn-icon:hover,.btn-icon-only:hover{background:var(--surface-soft);color:var(--text-primary)}.segmented-control{min-height:var(--control-height-md);border:1px solid var(--line-soft);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-soft) 88%, transparent);grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:4px;padding:4px;display:inline-grid}.segmented-control button{min-height:calc(var(--control-height-md) - 10px);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;font:inherit;background:0 0;border:0;font-size:13px;font-weight:720}.segmented-control button[aria-pressed=true],.segmented-control button.active{background:var(--surface-elevated);color:var(--accent-blue);box-shadow:var(--shadow-apple-soft)}.page-shell{width:min(var(--page-max-width), 100%);margin-inline:auto}.action-menu{background:var(--surface-elevated);border:1px solid var(--line-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-strong);z-index:1000;-webkit-backdrop-filter:blur(22px);flex-direction:column;gap:4px;min-width:240px;padding:10px;display:none;position:absolute;top:calc(100% + 8px);right:0}.action-menu.open{display:flex}.action-menu-title{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.06em;padding:6px 10px 4px;font-size:11px;font-weight:700}.action-menu-btn{border-radius:var(--radius-md);cursor:pointer;text-align:left;font-family:var(--font-body);color:var(--text-primary);background:0 0;border:none;flex-direction:column;gap:2px;padding:9px 10px;display:flex}.action-menu-btn strong{font-size:13px;font-weight:600}.action-menu-btn span{color:var(--text-secondary);font-size:11px;line-height:1.4}.action-menu-btn:hover{background:var(--surface-soft)}.action-menu-btn.danger-menu-btn strong{color:var(--danger)}.action-menu-btn.danger-menu-btn:hover{background:var(--danger-soft)}.action-menu-btn.danger-menu-btn span{color:color-mix(in srgb, var(--danger) 66%, var(--text-secondary))}.surface-shell{background:var(--surface-elevated);border:1px solid var(--line-soft);border-radius:var(--radius-xl);box-shadow:var(--shadow-strong);-webkit-backdrop-filter:saturate(180%)blur(22px)}.panel-shell{background:color-mix(in srgb, var(--surface-glass-strong) 90%, transparent);border:1px solid var(--line-soft);border-radius:var(--radius-xl);box-shadow:var(--shadow-apple-soft);-webkit-backdrop-filter:var(--blur-glass-effect)}.dialog-shell{background:var(--surface-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow-strong);border:1px solid var(--line-soft)}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:56px 24px;display:flex}.empty-state-title{color:var(--text-primary);margin:0;font-size:17px;font-weight:600}.empty-state-copy{color:var(--text-secondary);max-width:300px;margin:0;font-size:14px;line-height:1.6}.empty-state-action{border-radius:var(--radius-full);background:var(--color-action-primary);min-height:38px;color:var(--color-action-label-primary);cursor:pointer;border:none;margin-top:6px;padding:0 18px;font-size:14px;font-weight:600;box-shadow:0 10px 24px #007aff29}.course-manager-backdrop{z-index:3000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0000006b;position:fixed;inset:0}.course-manager-shell{z-index:3001;background:color-mix(in srgb, var(--surface-strong) 96%, transparent);border:1px solid var(--line-soft);width:min(920px,100vw - 24px);max-height:min(86vh,820px);box-shadow:var(--shadow-strong);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);border-radius:22px;flex-direction:column;display:flex;position:fixed;inset:50% auto auto 50%;overflow:hidden;transform:translate(-50%,-50%)}.course-manager-header{border-bottom:1px solid var(--line-soft);flex:none;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px 14px;display:flex}.course-manager-header h3{letter-spacing:0;margin:0;font-size:18px;font-weight:760}.course-manager-header p{color:var(--text-secondary);margin:4px 0 0;font-size:12px}.course-manager-header-actions{flex:none;align-items:center;gap:8px;display:flex}.course-manager-tabs{scrollbar-width:none;flex:0 0 56px;align-items:center;gap:8px;height:56px;padding:12px 20px 10px;display:flex;overflow:auto hidden}.course-manager-tabs::-webkit-scrollbar{display:none}.mobile-picker-subject-tabs::-webkit-scrollbar{display:none}.course-manager-tabs button{border:1px solid var(--line-soft);border-radius:var(--radius-full);background:var(--surface-soft);color:var(--text-secondary);white-space:nowrap;cursor:pointer;flex:none;min-height:34px;padding:8px 14px;font-weight:700}.course-manager-tabs button.active{background:var(--color-action-primary);color:var(--color-action-label-primary);border-color:#0000}.course-manager-body{flex:auto;grid-template-columns:250px minmax(0,1fr);gap:14px;min-height:0;padding:12px 16px 16px;display:grid;overflow:hidden}.course-manager-subjects,.course-manager-panel,.manager-card-list,.manager-editor{min-width:0}.course-manager-subjects{border:1px solid var(--line-soft);border-radius:var(--radius-inner-control);background:color-mix(in srgb, var(--surface-elevated) 74%, transparent);flex-direction:column;flex:none;align-self:stretch;gap:4px;padding:10px;display:flex;overflow-y:auto}.manager-category-node{gap:2px;display:grid}.course-manager-subjects .manager-section-filter{border-radius:var(--radius-dense-item);background:color-mix(in srgb, var(--surface-glass) 42%, transparent);width:100%;min-width:0;min-height:38px;color:var(--text-primary);font-family:var(--font-body);text-align:left;cursor:pointer;border:1px solid #0000;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:7px 10px;transition:background-color .16s,border-color .16s,color .16s;display:grid;box-shadow:inset 0 1px #fff3}.course-manager-subjects .manager-section-filter.selected{background:color-mix(in srgb, var(--accent-blue) 10%, var(--surface-elevated));border-color:color-mix(in srgb, var(--accent-blue) 22%, var(--line-soft));color:var(--accent-blue)}.manager-tree-label{align-items:center;gap:8px;min-width:0;display:flex}.manager-tree-label b{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:13px;font-weight:700;overflow:hidden}.course-manager-subjects .manager-section-filter small{border:1px solid color-mix(in srgb, var(--line-soft) 72%, transparent);border-radius:var(--radius-full);background:color-mix(in srgb, var(--surface-soft) 88%, transparent);min-width:22px;color:var(--text-secondary);text-align:center;padding:2px 6px;font-size:10.5px;font-weight:760}.course-manager-subjects .manager-section-filter.selected small{background:color-mix(in srgb, var(--accent-blue) 14%, transparent);color:currentColor}.course-manager-subjects .manager-tree-color{border-radius:50%;flex-shrink:0;width:8px;height:8px}.manager-filter-divider{background:var(--line-soft);height:1px;margin:7px 0 5px}.course-manager-panel{align-content:start;gap:12px;padding-right:2px;display:grid;overflow-y:auto}.manager-category-float-btn{display:none}.course-browser-body{flex-direction:column;flex:auto;gap:12px;min-height:0;padding:14px 16px 16px;display:flex}.course-browser-toolbar{flex:none;gap:9px;display:grid}.course-browser-chip-row{scrollbar-width:none;-webkit-overflow-scrolling:touch;gap:7px;padding-bottom:1px;display:flex;overflow:auto hidden}.course-browser-chip-row::-webkit-scrollbar{display:none}.course-browser-chip{--course-browser-chip-color:var(--accent-blue);border:1px solid var(--line-soft);border-radius:var(--radius-full);background:var(--surface-soft);max-width:min(72vw,280px);min-height:32px;color:var(--text-primary);cursor:pointer;font-family:var(--font-body);white-space:nowrap;flex:none;align-items:center;gap:6px;padding:0 11px;font-size:12px;font-weight:760;line-height:1;display:inline-flex}.course-browser-chip.active{background:var(--course-browser-chip-color);color:#fff;border-color:#0000}.course-browser-chip small{border-radius:var(--radius-full);background:color-mix(in srgb, currentColor 12%, transparent);min-width:20px;padding:2px 6px;font-size:10px;font-weight:820}.course-browser-search{border-radius:var(--radius-full);height:40px}.course-browser-list{overscroll-behavior:contain;flex-direction:column;flex:auto;gap:9px;min-height:0;padding-right:2px;display:flex;overflow-y:auto}.course-browser-card{--manager-row-accent:var(--accent-blue);border:1px solid var(--line-soft);background:linear-gradient(90deg, color-mix(in srgb, var(--manager-row-accent) 12%, transparent), transparent 46%), var(--surface-soft);width:100%;color:var(--text-primary);cursor:pointer;font-family:var(--font-body);text-align:left;border-radius:16px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:7px 9px;padding:13px 13px 12px;display:grid}.course-browser-card-seq{border-radius:var(--radius-full);background:color-mix(in srgb, var(--manager-row-accent) 14%, var(--surface-elevated));min-width:36px;color:var(--manager-row-accent);text-align:center;grid-row:1/span 2;margin-top:1px;padding:3px 7px;font-size:11px;font-weight:840;line-height:1.25}.course-browser-card strong{min-width:0;color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:16.5px;font-weight:780;line-height:1.35;display:-webkit-box;overflow:hidden}.course-browser-card-meta,.course-browser-card-remark{min-width:0;color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:650;line-height:1.35;overflow:hidden}.course-browser-card-remark{color:var(--accent-blue);grid-column:2}.course-browser-empty{justify-content:center;min-height:92px}.course-browser-detail-backdrop{z-index:3002;background:#00000047;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.course-browser-detail-sheet{border:1px solid var(--line-soft);background:color-mix(in srgb, var(--surface-strong) 96%, transparent);width:100%;max-height:min(72dvh,560px);padding:10px 16px calc(16px + var(--safe-bottom));-webkit-backdrop-filter:blur(22px)saturate(170%);border-bottom:none;border-radius:22px 22px 0 0;overflow-y:auto;box-shadow:0 -24px 70px #0f172a33}.course-browser-detail-handle{border-radius:var(--radius-full);background:var(--line-primary);width:38px;height:4px;margin:0 auto 12px}.course-browser-detail-sheet header{gap:5px;margin-bottom:14px;display:grid}.course-browser-detail-sheet header span{color:var(--accent-blue);font-size:12px;font-weight:760}.course-browser-detail-sheet h3{color:var(--text-primary);font-family:var(--font-display);font-size:21px;font-weight:800;line-height:1.3}.course-browser-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.course-browser-detail-grid div{border:1px solid var(--line-soft);background:var(--surface-soft);border-radius:14px;gap:4px;min-width:0;padding:10px;display:grid}.course-browser-detail-grid span{color:var(--text-tertiary);font-size:11px;font-weight:760}.course-browser-detail-grid strong{overflow-wrap:anywhere;min-width:0;color:var(--text-primary);font-size:14px;font-weight:760}.course-browser-detail-remark{border:1px solid var(--line-soft);background:var(--surface-soft);color:var(--text-secondary);white-space:pre-wrap;border-radius:14px;margin-top:10px;padding:12px;font-size:14px;line-height:1.65}.course-browser-detail-sheet footer{background:color-mix(in srgb, var(--surface-strong) 94%, transparent);grid-template-columns:1fr 1fr;gap:8px;margin-top:12px;padding-top:8px;display:grid;position:sticky;bottom:0}.manager-section-title{min-height:34px;color:var(--text-primary);flex:none;align-items:center;font-size:13px;font-weight:800;display:flex}.manager-section-title-with-action{justify-content:space-between;gap:10px}.manager-section-title-with-action>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.manager-category-title-button{border-radius:var(--radius-full);min-width:0;min-height:30px;color:var(--text-primary);cursor:pointer;font:inherit;text-align:left;background:0 0;border:0;flex:auto;padding:0;font-weight:800;line-height:1}.manager-category-titlebar{z-index:1;background:color-mix(in srgb, var(--surface-elevated) 84%, transparent);-webkit-backdrop-filter:var(--blur-glass-effect);padding:0 2px 6px;position:sticky;top:0}.manager-section-actions{flex:none;align-items:center;gap:7px;display:inline-flex}.manager-category-title-actions{flex:none;align-items:center;gap:6px;display:inline-flex}.manager-category-title-actions .manager-collapse-btn{min-height:28px;padding:4px 9px;font-size:11px}.manager-collapse-btn{border-radius:var(--radius-full);border:1px solid var(--line-soft);background:var(--surface-elevated);min-height:30px;color:var(--text-primary);font-size:12px;font-weight:700;font-family:var(--font-body);cursor:pointer;flex:none;padding:5px 11px;line-height:1}.manager-collapse-btn:hover{background:var(--surface-strong);border-color:var(--line-primary)}.manager-card-list,.manager-editor{gap:10px;display:grid}.manager-card-list{grid-template-columns:minmax(0,1fr);align-content:start}.manager-card-list>.manager-form-row,.manager-card-list>.manager-form-row-wide,.manager-card-list>.manager-control,.manager-card-list>.manager-list-toolbar,.manager-card-list>.manager-card-list-empty{grid-column:1/-1}.manager-course-layout{gap:14px;display:grid}.manager-empty-inline{border:1px dashed var(--line-primary);border-radius:var(--radius-md);background:var(--surface-strong);color:var(--text-secondary);justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;font-size:13px;display:flex}.manager-category-empty{border-style:solid;border-color:color-mix(in srgb, var(--accent-blue) 18%, var(--line-soft));border-radius:var(--radius-outer-card);background:radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--accent-blue) 10%, transparent), transparent 56%), color-mix(in srgb, var(--surface-glass-strong) 86%, transparent);min-height:138px;box-shadow:var(--shadow-apple-soft);text-align:center;align-content:center;justify-items:center;gap:13px;padding:18px 14px;display:grid}.manager-category-empty>div{gap:4px;display:grid}.manager-category-empty strong{color:var(--text-primary);font-size:15px;font-weight:820}.manager-category-empty span{color:var(--text-secondary);font-size:12px;line-height:1.45}.manager-category-pick-empty{min-height:96px;color:var(--text-secondary);justify-content:center;font-size:15px;font-weight:760}.manager-category-summary{--manager-row-accent:var(--accent-blue);border:1px solid var(--line-soft);background:linear-gradient(90deg, color-mix(in srgb, var(--manager-row-accent) 9%, transparent), transparent 56%), color-mix(in srgb, var(--surface-soft) 78%, transparent);border-radius:16px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px 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var(--shadow-apple-soft);cursor:pointer;flex:0 0 31px}.manager-category-more-wrap{flex:none;position:relative}.manager-category-more-menu{z-index:8;border:1px solid var(--line-soft);border-radius:var(--radius-inner-control);background:color-mix(in srgb, var(--surface-strong) 96%, transparent);width:max-content;min-width:128px;box-shadow:var(--shadow-apple-float);-webkit-backdrop-filter:var(--blur-glass-effect);gap:4px;padding:7px;display:grid;position:absolute;top:calc(100% + 7px);right:0}.manager-category-more-menu button{border-radius:var(--radius-dense-item);min-height:32px;color:var(--text-primary);font-family:var(--font-body);text-align:left;cursor:pointer;background:0 0;border:0;padding:0 10px;font-size:12px;font-weight:720}.manager-category-more-menu button:hover{background:var(--surface-soft)}.manager-category-summary-colors{background:color-mix(in srgb, var(--surface-elevated) 72%, transparent);grid-column:1/-1;justify-content:flex-start;min-height:34px;padding:4px 6px}.manager-category-summary-colors .manager-category-color-swatch{border-width:2px;width:22px;height:22px}.manager-danger-text{color:var(--danger);border-color:color-mix(in srgb, var(--danger) 26%, var(--line-soft))}.manager-editor{border:1px solid var(--line-soft);background:color-mix(in srgb, var(--surface-soft) 82%, transparent);border-radius:14px;padding:12px;overflow:hidden}.manager-compact-panel{gap:10px}.manager-editor-collapsed{gap:0}.manager-editor-body{gap:10px;display:grid}.manager-editor-body[hidden]{display:none}.manager-form-row{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.manager-form-row-wide{grid-template-columns:160px minmax(0,1fr) minmax(168px,auto) auto}.manager-control{box-sizing:border-box;border:1px solid var(--line-soft);background:color-mix(in srgb, var(--surface-elevated) 88%, transparent);width:100%;min-width:0;height:40px;color:var(--text-primary);font-size:14px;font-family:var(--font-body);border-radius:11px;outline:none;padding:0 12px;font-weight:500;box-shadow:inset 0 1px #ffffff0a}.manager-control::placeholder{color:var(--text-tertiary);opacity:1;font-weight:500}.manager-control:focus{border-color:var(--accent-blue);background:var(--surface-strong);box-shadow:0 0 0 3px #007aff24,inset 0 1px #ffffff0f}.manager-form-grid{grid-template-columns:minmax(0,1fr) 160px;gap:10px;display:grid}.manager-course-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.manager-control-name{grid-column:1/-1;min-width:0}.manager-remark-row{grid-column:1/-1;gap:6px;display:grid}.manager-remark-row label{color:var(--text-secondary);font-size:12px;font-weight:700}.manager-remark-control{resize:vertical;white-space:pre-wrap;height:auto;min-height:94px;padding:10px 12px;line-height:1.55}.manager-color-row{flex-wrap:wrap;gap:8px;display:flex}.manager-category-color-picker{border:1px solid var(--line-soft);background:color-mix(in srgb, var(--surface-elevated) 88%, 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