*{box-sizing:border-box}
[hidden]{display:none!important}
svg{shape-rendering:geometricPrecision}svg path,svg rect,svg circle,svg line,svg polyline{vector-effect:non-scaling-stroke}
html{min-width:320px;background:var(--app-bg)}
body{margin:0;min-height:100vh;background:var(--app-bg);color:var(--text-primary);font:var(--text-base)/1.5 var(--font-family);letter-spacing:-.012em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,select,output{font:inherit}
button,input,select{outline:none}
button{min-height:40px;padding:var(--space-2) var(--space-4);border:var(--hairline-strong);border-radius:var(--radius-pill);background:var(--surface-raised);color:var(--text-primary);font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:transform var(--duration-micro) var(--ease-ios),background-color var(--duration-micro) var(--ease-ios),border-color var(--duration-micro) var(--ease-ios),box-shadow var(--duration-micro) var(--ease-ios),color var(--duration-micro) var(--ease-ios)}
button:hover{background:var(--surface-secondary)}
button:active{transform:scale(.96)}
button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:var(--focus-ring)}
button.primary{border-color:transparent;background:var(--accent);color:var(--on-accent);box-shadow:var(--shadow-button)}
button.primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 16px var(--accent-shadow-strong)}
button.primary:active{background:var(--accent-pressed);transform:scale(.96);box-shadow:none}
button.danger,.text-danger{border-color:transparent;background:var(--danger-soft);color:var(--danger)}
button.danger:hover,.text-danger:hover{background:var(--danger-soft);color:var(--danger)}
input,select{width:100%;height:42px;padding:0 var(--space-3);border:var(--hairline-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text-primary);font-size:var(--text-sm);transition:border-color var(--duration-micro),box-shadow var(--duration-micro),background-color var(--duration-micro)}
select{appearance:none;padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");background-position:right 11px center;background-repeat:no-repeat}
input::placeholder{color:var(--text-tertiary)}
input[type="color"]{padding:var(--space-1);cursor:pointer}
input[type="range"]{height:28px;padding:0;border:0;background:transparent;accent-color:var(--accent)}
.muted{color:var(--text-secondary);font-size:var(--text-sm)}
.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}
.button-row{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

.sidebar{position:fixed;inset:0 auto 0 0;z-index:30;display:flex;width:var(--sidebar-width);height:100vh;flex-direction:column;padding:var(--space-4) var(--space-3);border-right:var(--hairline);background:var(--sidebar-bg);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);color:var(--text-primary);transition:width var(--duration-sheet) var(--ease-ios)}
.brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-1) var(--space-2) var(--space-8)}
.brand-mark{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border:var(--hairline);border-radius:10px;background:var(--surface-raised);color:var(--accent);box-shadow:var(--shadow-micro)}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand>span:last-child{display:grid;line-height:1.15;white-space:nowrap}.brand strong{font-size:16px;font-weight:740;letter-spacing:-.025em}.brand small{display:block;margin-top:3px;color:var(--accent);font-size:8px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}
.sidebar nav{position:relative;display:grid;gap:var(--space-1)}
.nav-indicator{position:absolute;top:0;left:0;z-index:0;border-radius:var(--radius-pill);background:var(--accent);box-shadow:var(--shadow-button);pointer-events:none;transition:transform var(--duration-sheet) var(--ease-ios),width var(--duration-sheet) var(--ease-ios),height var(--duration-sheet) var(--ease-ios)}
.nav{position:relative;z-index:1;display:flex;width:100%;height:42px;align-items:center;gap:var(--space-3);padding:0 var(--space-3);border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);font-size:14px;font-weight:560;text-align:left;box-shadow:none}
.nav:nth-of-type(4){margin-top:var(--space-4)}.nav:nth-of-type(4)::before{content:"";position:absolute;top:calc(var(--space-2) * -1);left:var(--space-3);right:var(--space-3);border-top:var(--hairline)}
.nav svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--duration-base) var(--ease-ios),stroke-width var(--duration-micro)}
.nav:hover{border:0;background:var(--accent-softer);color:var(--text-primary)}
.nav.active{border:0;background:transparent;color:var(--on-accent);font-weight:650}.nav.active svg{stroke-width:1.7;transform:scale(1.04)}
.nav:active{transform:scale(.98)}
.sidebar-footer{margin-top:auto;padding:var(--space-4) var(--space-3);color:var(--text-tertiary);font-size:12px;white-space:nowrap}

.app-main{position:relative;isolation:isolate;min-height:100vh;margin-left:var(--sidebar-width);padding:var(--space-8) var(--space-8) 48px;overflow:clip;transition:margin-left var(--duration-sheet) var(--ease-ios)}.app-main::before{content:"";position:absolute;top:-150px;right:4%;z-index:-1;width:420px;height:260px;border-radius:50%;background:var(--accent-soft);filter:blur(78px);opacity:.72;pointer-events:none}.app-main>.view,.app-main>.app-header{position:relative;z-index:1;width:min(100%,1120px);margin-inline:auto}
.app-header{display:grid;min-height:64px;grid-template-columns:minmax(280px,620px) max-content;align-items:flex-start;justify-content:start;gap:var(--space-6);margin-bottom:var(--space-6)}
.page-heading{display:grid;justify-items:start}.page-heading .page-kicker{display:block;margin:0 0 5px;color:var(--accent);font-size:10px;font-weight:780;line-height:1.2;letter-spacing:.14em;text-transform:uppercase}.page-heading h1{margin:0;font-size:var(--text-xxl);line-height:1.08;font-weight:780;letter-spacing:-.035em;text-wrap:balance}.page-heading h1::after{content:"";display:inline-block;width:7px;height:7px;margin-left:8px;border-radius:50%;background:var(--accent);box-shadow:var(--shadow-button);vertical-align:super}.page-description-line{display:flex;align-items:center;gap:2px;max-width:590px}.page-heading .page-description{display:block;max-width:560px;margin-top:7px;color:var(--text-secondary);font-size:14px;font-weight:480;letter-spacing:-.008em}
.header-context{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-2);flex-wrap:wrap}
.semester-picker{position:relative;z-index:25}.semester-trigger{display:flex;min-width:174px;height:42px;align-items:center;justify-content:space-between;gap:var(--space-2);padding:0 var(--space-3);border:var(--hairline-strong);border-radius:var(--radius-pill);background:var(--surface-raised);font-size:var(--text-sm);font-weight:650;box-shadow:var(--shadow-micro)}.semester-trigger svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--duration-base) var(--ease-ios)}.semester-picker[data-open="true"] .semester-trigger svg{transform:rotate(180deg)}
.semester-menu{position:absolute;top:calc(100% + var(--space-2));right:0;display:grid;width:max(210px,100%);padding:var(--space-2);border:var(--hairline);border-radius:var(--radius-lg);background:var(--surface-raised);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);box-shadow:var(--shadow-menu);opacity:0;transform:scale(.95) translateY(-4px);transform-origin:top right;transition:opacity var(--duration-micro) var(--ease-ios),transform var(--duration-base) var(--ease-ios)}.semester-menu.open{opacity:1;transform:scale(1) translateY(0)}
.semester-menu button{display:flex;width:100%;min-height:40px;align-items:center;justify-content:space-between;padding:0 var(--space-3);border:0;border-radius:var(--radius-sm);background:transparent;text-align:left;box-shadow:none}.semester-menu button:hover{background:var(--surface-secondary)}.semester-menu button svg{width:17px;height:17px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0}.semester-menu button.selected{color:var(--accent);font-weight:650}.semester-menu button.selected svg{opacity:1}
.department-toggle,.tabs{--segment-count:2;--segment-index:0;position:relative;display:flex;height:42px;align-items:center;padding:3px;border:var(--hairline);border-radius:var(--radius-pill);background:var(--surface-tertiary);isolation:isolate}
.segment-indicator{position:absolute;top:3px;bottom:3px;left:3px;z-index:0;width:calc((100% - 6px)/var(--segment-count));border:var(--hairline);border-radius:var(--radius-pill);background:var(--surface);box-shadow:var(--shadow-segment);transform:translateX(calc(var(--segment-index) * 100%));transition:transform var(--duration-sheet) var(--ease-ios)}
.department-toggle button,.tab{position:relative;z-index:1;min-width:76px;height:36px;min-height:36px;padding:0 var(--space-3);border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);font-size:var(--text-sm);font-weight:580;box-shadow:none}.department-toggle button:hover,.tab:hover{border:0;background:transparent;color:var(--text-primary)}.department-toggle button.active,.tab.active{background:transparent;color:var(--text-primary);font-weight:680}.department-toggle button:active,.tab:active{transform:scale(.96)}
.tabs[data-active="vacation"]{--segment-index:1}
.status{align-self:center;max-width:360px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--danger-soft);color:var(--danger);font-size:var(--text-sm);font-weight:600}.status:empty{display:none}

.view{display:none}.view.active{display:block;animation:view-in var(--duration-base) var(--ease-ios) both}@keyframes view-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4)}.panel-heading h2,.section-heading h2{margin:0;font-size:var(--text-md);line-height:1.35;font-weight:730;letter-spacing:-.022em}.panel-heading span,.panel-heading p,.section-heading span{margin:var(--space-1) 0 0;color:var(--text-secondary);font-size:var(--text-sm)}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-4)}
.simple-empty{margin:0;padding:var(--space-6) 0;color:var(--text-secondary);font-size:14px}
.department-badge,.status-badge{display:inline-flex;align-items:center;width:max-content;min-height:24px;padding:2px var(--space-2);border-radius:var(--radius-pill);background:var(--surface-secondary);color:var(--text-secondary);font-size:12px;font-weight:650;white-space:nowrap}.department-badge.dept-com{background:var(--accent-soft);color:var(--accent)}.department-badge.dept-game{background:var(--department-game-soft);color:var(--department-game-text)}.status-badge.active{background:var(--success-soft);color:var(--success-text)}
.toast{position:fixed;right:var(--space-6);bottom:var(--space-6);z-index:1200;width:min(330px,calc(100vw - 32px));padding:var(--space-3) var(--space-4);border:var(--hairline);border-radius:var(--radius-lg);background:var(--surface-raised);color:var(--text-primary);font-size:14px;font-weight:600;box-shadow:var(--shadow-menu);backdrop-filter:blur(20px);animation:toast-in var(--duration-base) var(--ease-ios) both}.toast::before{content:"";display:inline-block;width:8px;height:8px;margin-right:var(--space-2);border-radius:50%;background:var(--success)}.toast.error{background:var(--surface-raised);color:var(--danger)}.toast.error::before{background:var(--danger)}.toast[hidden]{display:none}@keyframes toast-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
body[data-view="community"] .header-context,
body[data-view="coordination"] .header-context,
body[data-view="print"] .header-context{display:none}

dialog{width:min(480px,calc(100vw - 32px));max-height:calc(100vh - 32px);padding:0;border:var(--hairline);border-radius:var(--radius-xl);background:var(--surface-raised);box-shadow:var(--shadow-menu);color:var(--text-primary)}dialog::backdrop{background:var(--overlay);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}dialog[open]{animation:sheet-in var(--duration-sheet) var(--ease-ios) both}@keyframes sheet-in{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
dialog form{display:grid;gap:var(--space-4);padding:var(--space-6)}dialog form>label,dialog form .two-cols label{display:grid;gap:var(--space-2);color:var(--text-secondary);font-size:var(--text-sm);font-weight:600}.sheet-handle{display:none}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4)}.dialog-heading h2{margin:0;font-size:var(--text-lg);line-height:1.3;font-weight:750;letter-spacing:-.02em}.dialog-heading p{margin:var(--space-1) 0 0;color:var(--text-secondary);font-size:var(--text-sm)}.icon-button{display:grid;width:34px;height:34px;min-height:34px;padding:0;place-items:center;border:0;border-radius:50%;background:var(--surface-secondary);color:var(--text-secondary);font-size:22px;font-weight:400;box-shadow:none}.icon-button:hover{border:0;background:var(--surface-tertiary)}.dialog-footer{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-1);padding-top:var(--space-4);border-top:var(--hairline)}.dialog-footer>span{flex:1}.form-divider{height:.5px;margin:var(--space-1) 0;background:var(--separator)}
.event-worker-fields{display:grid;gap:var(--space-3);padding:var(--space-3);border:var(--hairline);border-radius:var(--radius-md);background:var(--surface-secondary)}.event-worker-fields label{display:grid;gap:var(--space-2);color:var(--text-secondary);font-size:var(--text-sm);font-weight:600}.event-worker-fields label span{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.event-worker-fields label small{color:var(--text-tertiary);font-size:11px;font-weight:560}.event-add-worker{min-height:38px;border-style:dashed;background:var(--surface);color:var(--accent);font-weight:680}.event-capacity-hint{margin:0;color:var(--text-secondary);font-size:12px;font-weight:620}.event-capacity-hint.capacity-full{color:var(--danger)}
.icon-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.assignment-list{display:grid;gap:var(--space-2);margin:0;padding:0;list-style:none}.assignment-list li{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--surface-secondary)}.assignment-list button{min-height:30px;padding:var(--space-1) var(--space-2);font-size:12px}

.coordination-layout{display:grid;gap:var(--space-8);align-items:start}.participants-panel{padding:0 0 var(--space-6);border:0;border-bottom:var(--hairline);background:transparent}.participants-panel>.section-heading{margin-bottom:var(--space-4)}.department-filters{display:flex;gap:var(--space-1);margin-bottom:var(--space-3)}.department-filters button{min-height:34px;padding:var(--space-1) var(--space-3);border-color:transparent;background:transparent;color:var(--text-secondary)}.department-filters button:hover{background:var(--surface-secondary)}.department-filters button.active{background:var(--surface-tertiary);color:var(--text-primary)}.department-filters strong{margin-left:var(--space-1)}.participant-actions{display:flex;gap:var(--space-1);margin-bottom:var(--space-2)}.participant-actions button{min-height:32px;padding:var(--space-1) var(--space-2);border:0;background:transparent;color:var(--text-secondary)}.participant-actions button:hover{background:var(--surface-secondary)}
#coordinationPeople{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:var(--space-1) var(--space-4)}#coordinationPeople label{display:flex;min-height:44px;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-2);border-radius:var(--radius-md);font-size:14px;font-weight:560;cursor:pointer;transition:background-color var(--duration-micro)}#coordinationPeople label:hover{background:var(--surface-secondary)}#coordinationPeople input,.analysis-include input{appearance:none;display:grid;width:20px;height:20px;flex:0 0 20px;margin:0;padding:0;place-items:center;border:var(--hairline-strong);border-radius:7px;background:var(--surface);cursor:pointer}#coordinationPeople input::before,.analysis-include input::before{content:"";width:9px;height:6px;border:solid var(--on-accent);border-width:0 0 2px 2px;transform:translateY(-1px) rotate(-45deg) scale(0);transition:transform var(--duration-micro) var(--ease-ios)}#coordinationPeople input:checked,.analysis-include input:checked{border-color:var(--accent);background:var(--accent)}#coordinationPeople input:checked::before,.analysis-include input:checked::before{transform:translateY(-1px) rotate(-45deg) scale(1)}.participant-name{display:flex;min-width:0;flex:1;align-items:center;gap:var(--space-2)}
.coordination-empty{grid-column:1/-1;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-6) 0;color:var(--text-secondary)}.coordination-empty strong{color:var(--text-primary)}.coordination-empty button{margin-left:auto}.availability-panel>.section-heading{margin-bottom:var(--space-4)}.availability-workspace{display:grid;grid-template-columns:minmax(760px,1fr) 300px;gap:var(--space-6);align-items:start;overflow:auto}.coordination-grid{display:grid;grid-template-columns:72px repeat(5,minmax(112px,1fr));grid-auto-rows:40px;min-width:760px;border:var(--hairline);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
.coord-corner,.coord-day-head,.coord-time{display:flex;align-items:center;border-right:var(--hairline);border-bottom:var(--hairline);background:var(--surface)}.coord-corner,.coord-day-head{justify-content:center;font-size:14px;font-weight:650}.coord-time{padding-left:var(--space-3);color:var(--text-tertiary);font-size:12px}.coord-time.hour{color:var(--text-primary);font-size:var(--text-sm);font-weight:620}.coord-availability{display:grid;min-height:0;align-content:center;justify-items:center;gap:2px;padding:2px var(--space-1);border:0;border-right:var(--hairline);border-bottom:var(--hairline);border-radius:0;background:var(--surface);color:var(--text-secondary);box-shadow:none}.coord-availability strong{font-size:12px;line-height:1.05}.coord-availability span{display:block;max-width:100%;overflow:hidden;color:inherit;font-size:10px;font-weight:680;line-height:1.15;text-overflow:ellipsis;white-space:nowrap}.coord-availability:hover{z-index:1;background:var(--accent-soft)}.coord-availability.hour-row{box-shadow:inset 0 1px 0 var(--grid-hour)}.coord-availability.availability-full{background:var(--accent-drag);color:var(--accent-pressed)}.coord-availability.availability-high{background:var(--accent-selection)}.coord-availability.availability-mid{background:var(--accent-soft)}.coord-availability.availability-low{background:var(--accent-softer)}.coord-availability.availability-none{background:var(--surface-secondary);color:var(--text-tertiary)}.coord-availability.selected{z-index:2;outline:2px solid var(--accent);outline-offset:-2px}
.coordination-detail{min-height:250px;padding:var(--space-4);border:var(--hairline);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-soft)}.coordination-detail>p{margin:0;color:var(--text-secondary);font-size:var(--text-sm)}.coord-detail-heading{display:grid;gap:var(--space-1);padding-bottom:var(--space-4);border-bottom:var(--hairline)}.coord-detail-heading span{color:var(--text-secondary);font-size:var(--text-sm)}.coord-detail-heading strong{font-size:var(--text-lg)}.coord-detail-heading em{color:var(--accent);font-size:var(--text-sm);font-style:normal;font-weight:650}.coordination-detail section{margin-top:var(--space-4)}.coordination-detail h3{margin:0 0 var(--space-2);font-size:14px}.coordination-detail ul{display:grid;gap:var(--space-2);margin:0;padding:0;list-style:none}.coordination-detail li{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);font-size:var(--text-sm)}.coordination-detail li>span{display:flex;align-items:center;gap:var(--space-2)}.coordination-detail li small{color:var(--warning)}.coordination-detail .detail-empty{color:var(--text-tertiary)}.coord-detail-actions{margin-top:var(--space-4);padding-top:var(--space-4);border-top:var(--hairline)}.coord-detail-actions button{width:100%}
.coordination-detail h3 small{margin-left:var(--space-1);color:var(--text-tertiary);font-size:11px;font-weight:560}.coord-worker-choice label{display:flex;width:100%;min-height:42px;align-items:center;gap:var(--space-2);padding:var(--space-2);border:var(--hairline);border-radius:var(--radius-md);background:var(--surface-secondary);cursor:pointer}.coord-worker-choice label:hover{border-color:var(--accent-border);background:var(--accent-softer)}.coord-worker-choice input{appearance:none;display:grid;width:20px;height:20px;flex:0 0 20px;margin:0;padding:0;place-items:center;border:var(--hairline-strong);border-radius:7px;background:var(--surface);cursor:pointer}.coord-worker-choice input::before{content:"";width:9px;height:6px;border:solid var(--on-accent);border-width:0 0 2px 2px;transform:translateY(-1px) rotate(-45deg) scale(0)}.coord-worker-choice input:checked{border-color:var(--accent);background:var(--accent)}.coord-worker-choice input:checked::before{transform:translateY(-1px) rotate(-45deg) scale(1)}.coord-worker-choice input:disabled{cursor:not-allowed;opacity:.45}.coord-worker-choice span{min-width:0}

.settings-layout{display:grid;grid-template-columns:170px minmax(0,840px);gap:var(--space-8);align-items:start}.settings-nav{display:grid;gap:var(--space-1);padding:0}.settings-nav strong{padding:0 var(--space-3) var(--space-2);color:var(--text-secondary);font-size:var(--text-sm)}.settings-nav button{justify-content:flex-start;border:0;background:transparent;text-align:left;box-shadow:none}.settings-nav button:hover{background:var(--surface-secondary)}.settings-nav button.active{background:var(--accent-soft);color:var(--accent)}.settings-section>.panel-heading{margin-bottom:var(--space-6)}.person-form{display:grid;grid-template-columns:minmax(170px,1.4fr) 86px minmax(180px,1fr) auto;gap:var(--space-3);align-items:end;padding-bottom:var(--space-6);border-bottom:var(--hairline)}.person-form label{display:grid;gap:var(--space-2);color:var(--text-secondary);font-size:var(--text-sm);font-weight:600}.people-list{display:grid;margin-top:var(--space-2)}.person-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto auto;align-items:center;gap:var(--space-3);padding:14px var(--space-1);border-bottom:var(--hairline);animation:list-in var(--duration-base) var(--ease-ios) both}.person-row:nth-child(2){animation-delay:35ms}.person-row:nth-child(3){animation-delay:70ms}.person-row:nth-child(4){animation-delay:105ms}@keyframes list-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.person-row button{min-height:32px;padding:var(--space-1) var(--space-3);border-color:transparent;background:transparent}.person-row button:hover{background:var(--surface-secondary)}.color-dot{display:inline-block;width:11px;height:11px;border:var(--hairline);border-radius:50%;vertical-align:middle}

.person-row:has(.person-actions[open]){position:relative;z-index:60}.person-actions{position:relative}.person-actions summary{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;color:var(--text-secondary);cursor:pointer;list-style:none;transition:background-color var(--duration-micro),transform var(--duration-micro)}.person-actions summary::-webkit-details-marker{display:none}.person-actions summary:hover{background:var(--surface-secondary)}.person-actions summary:active{transform:scale(.94)}.person-actions summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.person-actions summary svg{width:18px;height:18px;fill:currentColor;stroke:none}.person-menu{position:absolute;top:calc(100% + var(--space-1));right:0;z-index:40;display:grid;width:150px;padding:var(--space-1);border:var(--hairline);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:var(--shadow-menu);backdrop-filter:blur(20px);animation:menu-in var(--duration-base) var(--ease-ios) both}.person-menu button{justify-content:flex-start;width:100%;min-height:38px;padding:0 var(--space-3);border:0;border-radius:var(--radius-sm);background:transparent;text-align:left}.person-menu button:hover{background:var(--surface-secondary)}.person-menu button.danger{background:transparent;color:var(--danger)}
*{scrollbar-width:thin;scrollbar-color:var(--separator-strong) transparent}*::-webkit-scrollbar{width:7px;height:7px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{border-radius:var(--radius-pill);background:var(--separator-strong)}

@media(max-width:1280px) and (min-width:761px){:root{--sidebar-width:76px}.sidebar{padding-inline:var(--space-3)}.brand{justify-content:center;padding-inline:0}.brand>span:last-child,.nav span,.sidebar-footer{display:none}.nav{justify-content:center;padding:0}.nav:nth-of-type(4)::before{left:var(--space-2);right:var(--space-2)}.app-main{padding-inline:var(--space-6)}}
@media(max-width:1100px){.app-header{grid-template-columns:minmax(240px,1fr) max-content;gap:var(--space-4)}.availability-workspace{grid-template-columns:minmax(760px,1fr)}.coordination-detail{max-width:760px}.settings-layout{grid-template-columns:150px minmax(0,1fr)}}
@media(max-width:760px){body{padding-bottom:72px}.sidebar{position:fixed;inset:auto 0 0 0;width:100%;height:68px;padding:var(--space-2) var(--space-3);border-top:var(--hairline);border-right:0}.brand,.sidebar-footer{display:none}.sidebar nav{display:flex;height:52px;justify-content:space-around;gap:var(--space-1)}.nav{display:grid;width:16.666%;height:52px;min-height:52px;justify-items:center;align-content:center;gap:2px;padding:0;border-radius:var(--radius-md);font-size:10px}.nav:nth-of-type(4){margin-top:0}.nav:nth-of-type(4)::before{display:none}.nav svg{width:19px;height:19px}.nav-indicator{border-radius:var(--radius-md)}.app-main{margin-left:0;padding:var(--space-5) var(--space-4) var(--space-8);overflow:visible}.app-main::before{display:none}.app-header{display:grid;grid-template-columns:1fr;gap:var(--space-4);margin-bottom:var(--space-5)}.header-context{display:grid;width:100%;grid-template-columns:1fr;justify-content:stretch;gap:var(--space-2)}.semester-picker,.department-toggle{width:100%;min-width:0}.semester-trigger{width:100%;min-width:0}.semester-menu{right:auto;left:0;width:100%}.department-toggle button{min-width:0;flex:1}.status{width:100%;max-width:none}.page-heading h1{font-size:var(--text-xl)}.two-cols{grid-template-columns:1fr}.coordination-layout,.settings-layout{grid-template-columns:1fr}.settings-nav{display:none}.person-form{grid-template-columns:1fr 86px}.person-form label:nth-child(3){grid-column:1/-1}.person-form button{grid-column:1/-1}.section-heading{align-items:flex-start;flex-direction:column;gap:var(--space-1)}.department-filters{overflow-x:auto;margin:0 calc(var(--space-4) * -1) var(--space-3);padding:0 var(--space-4) var(--space-1);scrollbar-width:none}.department-filters::-webkit-scrollbar{display:none}.department-filters button{flex:0 0 auto;white-space:nowrap}.participant-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.participant-actions button{min-height:38px;border:var(--hairline);background:var(--surface)}#coordinationPeople{grid-template-columns:1fr;gap:0;overflow:hidden;border:var(--hairline);border-radius:var(--radius-lg);background:var(--surface)}#coordinationPeople label{min-height:50px;padding:var(--space-3);border-bottom:var(--hairline);border-radius:0}#coordinationPeople label:last-child{border-bottom:0}.participant-name{font-weight:650}.availability-workspace{display:grid;grid-template-columns:1fr;gap:var(--space-4);overflow:visible;min-width:0}.availability-panel{min-width:0}.coordination-grid{grid-template-columns:52px repeat(5,minmax(0,1fr));grid-auto-rows:38px;width:100%;min-width:0;border-radius:var(--radius-md);font-size:12px}.coord-corner,.coord-day-head{font-size:12px}.coord-time{padding-left:var(--space-2);font-size:10px}.coord-time.hour{font-size:11px}.coord-availability{padding:0 2px}.coord-availability strong{font-size:10px}.coord-availability span{max-width:44px;font-size:8px}.coordination-detail{position:static;max-width:none;min-height:0;padding:var(--space-4)}.coordination-detail li{align-items:flex-start;flex-direction:column}.coordination-empty{align-items:flex-start;flex-direction:column}.coordination-empty button{margin-left:0}.toast{right:var(--space-4);bottom:84px;width:calc(100vw - 32px)}dialog{width:100%;max-width:none;max-height:88vh;margin:auto 0 0;border-radius:var(--radius-xl) var(--radius-xl) 0 0;border-bottom:0}dialog[open]{animation:mobile-sheet-in var(--duration-sheet) var(--ease-ios) both}@keyframes mobile-sheet-in{from{opacity:.7;transform:translateY(100%)}to{opacity:1;transform:none}}dialog form{padding:var(--space-3) var(--space-4) var(--space-6)}.sheet-handle{display:block;width:36px;height:5px;margin:0 auto var(--space-2);border-radius:var(--radius-pill);background:var(--separator-strong)}}
@media(max-width:480px){.header-context{display:grid;grid-template-columns:1fr}.department-toggle{width:100%}.person-row{grid-template-columns:auto 1fr auto}.person-row .status-badge,.person-row button{grid-column:2/-1}}

.coordination-topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-5);margin-bottom:var(--space-4);padding-bottom:var(--space-4);border-bottom:var(--hairline)}
.coordination-topbar .section-heading{margin:0}
.coordination-department-toggle{--segment-count:2;--segment-index:0;position:relative;display:flex;width:min(320px,100%);height:42px;align-items:center;padding:3px;border:var(--hairline);border-radius:var(--radius-pill);background:var(--surface-tertiary);isolation:isolate}
.coordination-department-toggle .segment-button{position:relative;z-index:1;min-width:0;height:36px;min-height:36px;flex:1;padding:0 var(--space-3);border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);box-shadow:none}
.coordination-department-toggle .segment-button.active{color:var(--text-primary);font-weight:720}
.coordination-department-toggle strong{margin-left:4px;color:var(--text-tertiary);font-size:11px}
.coordination-summary{display:flex;align-items:center;gap:var(--space-6);margin-bottom:var(--space-6);padding:var(--space-3) var(--space-4);border:var(--hairline);border-radius:var(--radius-md);background:var(--surface-secondary)}
.coordination-summary div{display:grid;gap:2px}.coordination-summary span{color:var(--text-tertiary);font-size:11px}.coordination-summary strong{font-size:14px}.coordination-summary p{margin:0 0 0 auto;color:var(--text-secondary);font-size:12px}
.availability-legend{display:flex;justify-content:flex-end;gap:var(--space-3);margin-bottom:var(--space-2);color:var(--text-tertiary);font-size:10px}
.availability-legend span{display:flex;align-items:center;gap:5px}.availability-legend i{width:11px;height:11px;border:var(--hairline);border-radius:3px}.legend-full{background:var(--accent-drag)}.legend-mid{background:var(--accent-soft)}.legend-none{background:var(--surface-secondary)}

@media(max-width:760px){
  .coordination-topbar{align-items:stretch;flex-direction:column;gap:var(--space-3)}
  .coordination-department-toggle{width:100%}
  .coordination-summary{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);margin-bottom:var(--space-5)}
  .coordination-summary p{grid-column:1/-1;margin:0;padding-top:var(--space-2);border-top:var(--hairline)}
  .availability-legend{justify-content:flex-start;overflow-x:auto;white-space:nowrap}
}

/* Mobile app shell: safe-area aware, icon-first, and stable during text entry. */
@media(max-width:760px){
  html,body{max-width:100%;overflow-x:hidden}
  body{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  input,select,textarea{font-size:16px!important}
  .sidebar{inset:auto 10px max(8px,env(safe-area-inset-bottom)) 10px;width:auto;height:64px;padding:6px 8px;border:var(--hairline);border-radius:18px;background:var(--surface-raised);box-shadow:var(--shadow-menu);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%)}
  .sidebar nav{height:52px;gap:2px}
  .nav{width:16.666%;height:52px;min-height:52px;border-radius:12px}
  .nav span{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
  .nav svg{width:23px;height:23px}
  .nav-indicator{border-radius:12px}
  .app-main{padding:20px 14px 30px}
  .app-main>.view,.app-main>.app-header{width:100%}
  .app-header{gap:var(--space-3);margin-bottom:var(--space-4)}
  .header-context{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-2)}
  .semester-picker,.department-toggle{width:100%;min-width:0}
  .semester-trigger{width:100%;min-width:0;height:42px}
  .department-toggle button{min-width:0;flex:1;padding-inline:var(--space-2)}
  .header-context .status{grid-column:1/-1}
  .page-heading h1{font-size:24px}
  .toast{right:12px;bottom:calc(82px + env(safe-area-inset-bottom));width:calc(100vw - 24px)}
  dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px - env(safe-area-inset-bottom));margin:auto 10px max(8px,env(safe-area-inset-bottom));border:var(--hairline);border-radius:20px}
  dialog form{max-height:calc(100dvh - 30px - env(safe-area-inset-bottom));overflow:auto;padding:var(--space-3) var(--space-4) calc(var(--space-5,20px) + env(safe-area-inset-bottom))}
  .people-list{overflow:visible}
  .person-row{grid-template-columns:auto minmax(0,1fr) auto;grid-template-rows:auto auto;gap:5px var(--space-3);padding:12px var(--space-2)}
  .person-row>.color-dot{grid-column:1;grid-row:1/3;align-self:center}
  .person-row>strong{grid-column:2;grid-row:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .person-row>.department-badge{grid-column:2;grid-row:2;justify-self:start}
  .person-row>.status-badge{grid-column:3;grid-row:2;justify-self:end}
  .person-row>.person-actions{grid-column:3;grid-row:1;justify-self:end}
  .person-actions summary{width:42px;height:42px}
  .person-actions[open] .person-menu{position:fixed;top:auto;right:12px;bottom:calc(82px + env(safe-area-inset-bottom));left:12px;z-index:1000;display:grid;width:auto;grid-template-columns:1fr 1fr;gap:var(--space-2);padding:var(--space-2);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:var(--shadow-menu)}
  .person-row .person-menu button{grid-column:auto!important;width:100%;min-height:44px;justify-content:center;padding:0 var(--space-3);border:var(--hairline);background:var(--surface-secondary);text-align:center}
  .person-row .person-menu button.danger{background:var(--danger-soft)}
}

@media(max-width:420px){
  .app-main{padding-inline:12px}
  .page-kicker,.page-description{display:none}
  .app-header{margin-bottom:var(--space-3)}
}