/* Material 3 components and page layout. Colours live in tokens.css. */
@font-face{font-family:"Roboto Flex";src:url(../assets/fonts/roboto-flex-latin.woff2) format("woff2");font-weight:100 1000;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Roboto Flex";src:url(../assets/fonts/roboto-flex-latin-ext.woff2) format("woff2");font-weight:100 1000;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Google Sans Flex";src:url(../assets/fonts/google-sans-flex-latin.woff2) format("woff2");font-weight:100 1000;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Google Sans Flex";src:url(../assets/fonts/google-sans-flex-latin-ext.woff2) format("woff2");font-weight:100 1000;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --font:"Roboto Flex",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Google Sans Flex","Roboto Flex",system-ui,sans-serif;
  --ease:cubic-bezier(.2,0,0,1);--ease-in:cubic-bezier(.3,0,.8,.15);--ease-out:cubic-bezier(.05,.7,.1,1);
  --t1:120ms;--t2:220ms;--t3:360ms;--t4:520ms;
  --s-xs:8px;--s-sm:12px;--s-md:16px;--s-lg:28px;--s-full:999px;
  --rail:96px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px;background:var(--md-surface)}
html{scrollbar-gutter:stable}
body{margin:0;-webkit-tap-highlight-color:transparent;min-height:100dvh;background:var(--md-surface);color:var(--md-on-surface);font:400 15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,dl,dd{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
a,button,label,input,select{touch-action:manipulation}
button{background:none;border:0;padding:0;cursor:pointer}
button:disabled{cursor:default}
a{color:inherit}
code{font-size:.92em;background:var(--md-surface-container-high);padding:1px 6px;border-radius:6px}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--md-primary);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.muted{color:var(--md-on-surface-variant)}

.icon{display:inline-block;width:24px;height:24px;flex:none;background:currentColor;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}

/* Ripple and state layers */
.btn,.icon-btn,.fab,.chip,.nav-pill,.seg button,.seg label span,.file-row{position:relative;overflow:hidden;isolation:isolate}
.btn::before,.icon-btn::before,.fab::before,.chip::before,.seg button::before,.file-row:not(.static)::before{content:"";position:absolute;inset:0;background:currentColor;opacity:0;transition:opacity var(--t1) linear;z-index:-1;pointer-events:none}
@media (hover:hover){.btn:hover:not(:disabled)::before,.icon-btn:hover:not(:disabled)::before,.fab:hover::before,.chip:hover::before,.seg button:hover:not(:disabled)::before,.file-row:not(.static):hover::before{opacity:.08}}
.ripple{position:absolute;border-radius:50%;background:currentColor;opacity:.14;transform:scale(0);animation:ripple 520ms var(--ease-out) forwards;pointer-events:none;z-index:-1}
@keyframes ripple{to{transform:scale(1);opacity:0}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 20px;border-radius:var(--s-full);font-weight:550;font-size:14px;letter-spacing:.01em;white-space:nowrap;transition:border-radius var(--t2) var(--ease),background var(--t2) var(--ease),box-shadow var(--t2) var(--ease),transform var(--t1) var(--ease)}
.btn .icon{width:18px;height:18px}
.btn:active:not(:disabled){border-radius:var(--s-sm)}
.btn.filled{background:var(--md-primary);color:var(--md-on-primary)}
.btn.tonal{background:var(--md-secondary-container);color:var(--md-on-secondary-container)}
.btn.outlined{border:1px solid var(--md-outline-variant);color:var(--md-on-surface-variant)}
.btn.text{padding:0 12px;color:var(--md-primary)}
.btn.small{height:32px;font-size:13px;padding:0 10px}
.btn.danger{background:var(--md-error);color:var(--md-on-error)}
.btn.danger-text{color:var(--md-error)}
.btn:disabled{opacity:.45}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--md-on-surface-variant);transition:border-radius var(--t2) var(--ease)}
.icon-btn:active:not(:disabled){border-radius:var(--s-sm)}
.icon-btn:disabled{opacity:.35}

.fab{position:fixed;right:24px;bottom:24px;z-index:20;display:inline-flex;align-items:center;gap:12px;height:56px;padding:0 20px 0 16px;border-radius:var(--s-md);background:var(--md-primary-container);color:var(--md-on-primary-container);font-weight:600;box-shadow:0 1px 3px rgb(0 0 0/.25),0 4px 10px rgb(0 0 0/.14);transition:box-shadow var(--t2) var(--ease),border-radius var(--t2) var(--ease),transform var(--t2) var(--ease)}
.fab:hover{box-shadow:0 2px 4px rgb(0 0 0/.25),0 8px 18px rgb(0 0 0/.18)}
.fab:active{border-radius:var(--s-lg);transform:scale(.97)}

/* Navigation */
.shell{padding-left:var(--rail)}
.nav{position:fixed;inset:0 auto 0 0;width:var(--rail);z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:24px 0 16px;background:var(--md-surface-container-low)}
.nav-items{display:flex;flex-direction:column;gap:12px;width:100%}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;font-size:12px;font-weight:550;color:var(--md-on-surface-variant);-webkit-tap-highlight-color:transparent}
.nav-pill{position:relative;display:grid;place-items:center;width:56px;height:32px;border-radius:var(--s-full);overflow:hidden;isolation:isolate}
.nav-pill::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;background:var(--md-secondary-container);opacity:0;transform:scaleX(.45);transition:opacity var(--t2) var(--ease),transform var(--t3) var(--ease)}
.icon-on{display:none}
.nav-item[aria-current=page]{color:var(--md-on-surface)}
.nav-item[aria-current=page] .nav-pill{color:var(--md-on-secondary-container)}
.nav-item[aria-current=page] .nav-pill::before{opacity:1;transform:none}
.nav-item[aria-current=page] .icon-on{display:inline-block}
.nav-item[aria-current=page] .icon-off{display:none}
@media (hover:hover){.nav-item:not([aria-current=page]):hover .nav-pill{background:color-mix(in srgb,var(--md-on-surface) 8%,transparent)}}

/* Backup */
.backup-part{display:grid;gap:8px;justify-items:start;padding:14px 0}
.backup-part+.backup-part{border-top:1px solid var(--md-outline-variant)}
.backup-part h3{font:600 15px/1.4 var(--font)}
.backup-part .muted{font-size:14px}
.backup-note{margin-top:4px;padding:10px 14px;border-radius:var(--s-sm);background:var(--md-tertiary-container);color:var(--md-on-tertiary-container);font-size:14px}
.backup-progress{display:grid;gap:4px;margin-top:12px;font-size:13px;color:var(--md-on-surface-variant)}
.backup-progress progress{width:100%;height:4px;accent-color:var(--md-primary)}
.backup .form-error{margin-top:12px}
.choice-list{display:grid;gap:8px;margin-top:14px}
.choice{display:flex;gap:12px;padding:12px 14px;border:1px solid var(--md-outline-variant);border-radius:var(--s-sm);cursor:pointer;transition:background var(--t2) var(--ease),border-color var(--t2) var(--ease)}
.choice:has(input:checked){border-color:var(--md-primary);background:var(--md-secondary-container)}
.choice input{margin:3px 0 0;accent-color:var(--md-primary);flex:none}
.choice strong{display:block;font-weight:600}
.choice small{display:block;margin-top:2px;font-size:13px;color:var(--md-on-surface-variant)}
.backup-result{margin:10px 0 0;padding-left:20px}
.backup-result li{margin-top:4px}

/* Page frame */
.page{max-width:1500px;margin:0 auto;padding:12px 32px 112px}
.appbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;margin-bottom:12px}
.college{font-size:14px;font-weight:550;color:var(--md-on-surface-variant)}
.appbar-tools{display:flex;align-items:center;gap:4px;flex:none;margin-right:-8px}
.view{animation:fade-in 180ms var(--ease)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
h1{font:500 clamp(28px,3.4vw,40px)/1.15 var(--display);letter-spacing:-.012em}
.sub{color:var(--md-on-surface-variant);margin-top:4px}
.totals{display:flex;flex-direction:column;align-items:flex-end;flex:none}
.totals strong{font:500 clamp(22px,2.4vw,28px)/1.2 var(--display);color:var(--md-primary)}
.totals span{color:var(--md-on-surface-variant);font-size:14px}

/* Academic year and semester */
.period-bar{display:flex;align-items:flex-end;gap:12px;margin-bottom:16px}
.period-bar .sel{width:200px}
.period-bar .sel select{width:100%}
.period-bar .seg{width:240px}

/* Explorer */
.ex-scrim{position:fixed;inset:0;z-index:40;background:rgb(0 0 0/.42);opacity:0;pointer-events:none;transition:opacity var(--t3) var(--ease)}
.ex-filters{position:fixed;z-index:41;inset:0 0 0 auto;width:372px;max-width:100%;display:flex;flex-direction:column;background:var(--md-surface-container-low);border-radius:var(--s-lg) 0 0 var(--s-lg);overflow:hidden;transform:translateX(102%);visibility:hidden;transition:transform var(--t3) var(--ease),visibility var(--t3)}
.filters-open .ex-scrim{opacity:1;pointer-events:auto}
.filters-open .ex-filters{transform:none;visibility:visible}
.btn .badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--md-primary);color:var(--md-on-primary);font-size:12px;display:grid;place-items:center}
.filters-head{display:flex;align-items:center;justify-content:space-between;padding:14px 12px 6px 20px}
.filters-head h2{flex:1;font:500 20px/1.2 var(--display)}
.filters-body{overflow:auto;padding:4px 20px 20px;scrollbar-width:thin}
.fgroup{padding:12px 0}
.fgroup+.fgroup{border-top:1px solid var(--md-outline-variant)}
.fgroup h3{font:600 14px/1.4 var(--font);margin-bottom:10px}
.chip-row{display:flex;flex-wrap:wrap;gap:6px}
.range{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.range+.chip-row{margin-top:10px}

.chip{display:inline-flex;align-items:center;gap:6px;min-height:32px;max-width:100%;padding:4px 12px;border-radius:var(--s-xs);border:1px solid var(--md-outline-variant);font-size:13px;font-weight:500;color:var(--md-on-surface-variant);text-align:left;transition:background var(--t2) var(--ease),color var(--t2) var(--ease),border-color var(--t2) var(--ease)}
.chip .count{font-size:12px;opacity:.72;font-variant-numeric:tabular-nums}
.chip[data-empty]{opacity:.5}
.chip-check{width:0;height:18px;transition:width var(--t2) var(--ease)}
.chip[aria-pressed=true]{background:var(--md-secondary-container);color:var(--md-on-secondary-container);border-color:transparent}
.chip[aria-pressed=true] .chip-check{width:18px}
.chip.input{background:var(--md-surface-container);border-color:transparent;padding-right:6px;animation:chip-in var(--t2) var(--ease-out)}
.chip.input .icon{width:18px;height:18px}
@keyframes chip-in{from{opacity:0;transform:scale(.9)}}

.ex-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.searchbar{flex:1 1 280px;min-width:0;display:flex;align-items:center;gap:10px;height:52px;padding:0 6px 0 18px;border-radius:var(--s-full);background:var(--md-surface-container-high);color:var(--md-on-surface-variant);transition:background var(--t2) var(--ease),box-shadow var(--t2) var(--ease)}
.searchbar:focus-within{background:var(--md-surface-container-highest);box-shadow:0 0 0 2px var(--md-primary)}
.searchbar input{flex:1;min-width:0;height:100%;border:0;outline:0;background:none;color:var(--md-on-surface);font-size:16px}
.searchbar input{text-overflow:ellipsis}
.searchbar input::placeholder{color:var(--md-on-surface-variant);opacity:1}
.searchbar input::-webkit-search-cancel-button{display:none}
.sort-wrap{position:relative;min-width:0}
.sort-wrap>.btn{height:52px;max-width:100%}
.sort-label{overflow:hidden;text-overflow:ellipsis}
.popover-card{position:absolute;z-index:25;right:0;top:calc(100% + 8px);width:320px;max-width:calc(100vw - 32px);padding:16px;border-radius:var(--s-md);background:var(--md-surface-container);box-shadow:0 2px 6px rgb(0 0 0/.2),0 10px 28px rgb(0 0 0/.16);display:grid;gap:14px;transform-origin:top right;opacity:0;visibility:hidden;transform:scale(.96) translateY(-4px);transition:opacity 140ms var(--ease),transform var(--t2) var(--ease),visibility 140ms}
.popover-card.open{opacity:1;visibility:visible;transform:none}
.sort-level{display:grid;gap:8px}
.sel{display:grid;gap:4px;font-size:13px;color:var(--md-on-surface-variant)}
.sel select{height:40px;padding:0 10px;border-radius:var(--s-xs);border:1px solid var(--md-outline);background:transparent;color:var(--md-on-surface);font-size:14px;max-width:100%}
.sel select option{background:var(--md-surface-container-high);color:var(--md-on-surface)}
.sel.inline{display:inline-flex;align-items:center;gap:8px}
.sel.inline select{height:34px}

.seg{display:inline-flex;border:1px solid var(--md-outline);border-radius:var(--s-full);overflow:hidden;width:100%}
.seg button,.seg label{flex:1;min-width:0}
.seg button,.seg label span{display:grid;place-items:center;height:38px;padding:0 10px;font-size:13px;font-weight:550;white-space:nowrap;cursor:pointer;transition:background var(--t2) var(--ease),color var(--t2) var(--ease)}
.seg button+button,.seg label+label span{border-left:1px solid var(--md-outline)}
.seg label input{position:absolute;opacity:0;pointer-events:none}
.seg button[aria-pressed=true],.seg label input:checked+span{background:var(--md-secondary-container);color:var(--md-on-secondary-container)}
.seg label input:focus-visible+span{outline:2px solid var(--md-primary);outline-offset:-2px}

.ex-chips-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t3) var(--ease)}
.ex-chips-wrap.has{grid-template-rows:1fr}
.ex-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-height:0;overflow:hidden;padding-top:0;transition:padding var(--t3) var(--ease)}
.ex-chips-wrap.has .ex-chips{padding-top:10px}
.ex-summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;margin:6px 0;padding-left:4px;color:var(--md-on-surface-variant);font-size:14px}
.select-bar{position:absolute;inset:0;display:flex;align-items:center;gap:4px;padding:0 8px 0 16px;border-radius:var(--s-md);background:var(--md-secondary-container);color:var(--md-on-secondary-container);opacity:0;visibility:hidden;transition:opacity var(--t2) var(--ease),visibility var(--t2)}
.select-bar.on{opacity:1;visibility:visible}
.select-bar span{flex:1;font-weight:550}
.select-bar .btn.text:not(.danger-text){color:inherit}

/* Table */
.ex-table{position:relative;background:var(--md-surface-container-lowest);border-radius:var(--s-lg);overflow:hidden}
/* The border sits above the rows, so hovered and selected rows cannot cover it. */
.ex-table::after{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit;box-shadow:inset 0 0 0 1px var(--md-outline-variant);pointer-events:none}
table{width:100%;border-collapse:collapse;table-layout:fixed}
.col-check{width:52px}
.col-actions{width:92px}
th{font-size:13px;font-weight:600;text-align:left;color:var(--md-on-surface-variant);padding:0 12px;height:52px;border-bottom:1px solid var(--md-outline-variant);white-space:nowrap;overflow:hidden}
th button{display:inline-flex;align-items:center;gap:4px;height:36px;font-weight:600;border-radius:var(--s-xs)}
th.num{text-align:right}
th.num button{flex-direction:row-reverse}
th sup{font-size:10px;color:var(--md-primary);min-width:6px}
.sort-arrow{width:16px;height:16px;opacity:0;transition:opacity var(--t2) var(--ease),transform var(--t3) var(--ease)}
.sort-arrow.desc{transform:rotate(180deg)}
th button:hover .sort-arrow{opacity:.5}
.sort-arrow.on{opacity:1!important;color:var(--md-primary)}
td{padding:11px 12px;vertical-align:middle;border-bottom:1px solid var(--md-surface-container-high);font-size:14px;overflow-wrap:break-word}
tbody tr:last-child td{border-bottom:0}
tbody tr{cursor:pointer;transition:background var(--t1) linear}
@media (hover:hover){tbody tr:hover{background:var(--md-surface-container-low)}}
tbody tr.selected{background:color-mix(in srgb,var(--md-secondary-container) 60%,transparent)}
td.nowrap{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.cell-primary{font-weight:550}
th:first-child,td:first-child{padding-left:20px}
.row-title{text-align:left;font-weight:inherit;line-height:1.35}
.row-title:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--md-outline)}
.row-sub{display:block;margin-top:2px;font-size:13px;font-weight:400;color:var(--md-on-surface-variant)}
.row-title{display:block;width:100%}
.row-remark{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.attach{display:inline-flex;vertical-align:-3px;margin-left:6px;color:var(--md-on-surface-variant)}
.attach .icon{width:16px;height:16px}
.period-cell{display:flex;flex-direction:column;font-variant-numeric:tabular-nums;white-space:nowrap}
.period-cell small{color:var(--md-on-surface-variant);font-size:12px}
.cell-check{padding-right:0}
.cell-actions{padding:0 10px 0 0;white-space:nowrap;text-align:right}
.cell-actions .icon-btn{opacity:.55;transition:opacity var(--t1) linear}
tr:hover .cell-actions .icon-btn,.cell-actions .icon-btn:focus-visible{opacity:1}
@media (hover:none){.cell-actions .icon-btn{opacity:1}}
.cell-actions .report-link{opacity:1;color:var(--md-primary);text-decoration:none}
.text-link{color:var(--md-primary);text-underline-offset:3px}
.check{position:relative;display:inline-grid;place-items:center;width:24px;height:24px;cursor:pointer}
.check input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}
.check span{display:grid;place-items:center;width:18px;height:18px;border:2px solid var(--md-on-surface-variant);border-radius:4px;color:var(--md-on-primary);transition:background var(--t1) linear,border-color var(--t1) linear}
.check .icon{width:16px;height:16px;transform:scale(0);transition:transform var(--t2) var(--ease-out)}
.check input:checked+span{background:var(--md-primary);border-color:var(--md-primary)}
.check input:checked+span .icon{transform:scale(1)}
.check input:indeterminate+span{background:var(--md-primary);border-color:var(--md-primary)}
.check input:focus-visible+span{outline:2px solid var(--md-primary);outline-offset:2px}
.ex-pager{display:flex;align-items:center;justify-content:flex-start;gap:12px;margin-top:10px;color:var(--md-on-surface-variant);font-size:14px;flex-wrap:wrap}
.pager-info{font-variant-numeric:tabular-nums}

.skeleton{padding:16px 20px;display:grid;gap:6px}
.sk-row{display:grid;grid-template-columns:3fr 1.2fr 1fr;gap:20px;padding:12px 0}
.sk-row span{height:14px;border-radius:7px;background:linear-gradient(90deg,var(--md-surface-container-high) 25%,var(--md-surface-container) 50%,var(--md-surface-container-high) 75%);background-size:300% 100%;animation:shimmer 1.6s linear infinite}
@keyframes shimmer{from{background-position:100% 0}to{background-position:-100% 0}}
.state{display:grid;justify-items:center;text-align:center;gap:8px;padding:64px 24px;animation:fade-in var(--t3) var(--ease)}
@keyframes fade-in{from{opacity:0}}
.state-icon{width:44px;height:44px;color:var(--md-primary)}
.state h2{font:500 22px/1.25 var(--display)}
.state p{color:var(--md-on-surface-variant);max-width:44ch;margin-bottom:8px}
.progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:60;overflow:hidden;opacity:0;transition:opacity var(--t2) linear;background:var(--md-secondary-container);pointer-events:none}
.progress.on{opacity:1}
.progress.on::after{content:"";position:absolute;inset:0;width:40%;background:var(--md-primary);border-radius:3px;animation:slide 1.3s var(--ease) infinite}
@keyframes slide{from{transform:translateX(-100%)}to{transform:translateX(260%)}}

/* Text fields */
.tf-wrap{display:grid;gap:4px;min-width:0}
.tf{--tf-bg:var(--md-surface-container-low);position:relative;display:flex;align-items:center;min-width:0;height:54px;border-radius:var(--s-xs);box-shadow:inset 0 0 0 1px var(--md-outline);transition:box-shadow var(--t2) var(--ease)}
.tf:hover{box-shadow:inset 0 0 0 1px var(--md-on-surface)}
.tf:focus-within{box-shadow:inset 0 0 0 2px var(--md-primary)}
.tf.invalid{box-shadow:inset 0 0 0 2px var(--md-error)}
.tf input{width:100%;min-width:0;height:100%;padding:0 14px;border:0;outline:0;background:none;color:var(--md-on-surface);font-size:15px;border-radius:inherit}
.tf input[type=date]{color-scheme:inherit}
.tf.area{height:auto}
.tf textarea{display:block;width:100%;min-width:0;min-height:84px;padding:14px;border:0;outline:0;background:none;color:var(--md-on-surface);font:inherit;font-size:15px;line-height:1.4;border-radius:inherit;resize:vertical}
.tf.area .tf-label{top:27px}
.tf-prefix{padding-left:14px;color:var(--md-on-surface-variant)}
.tf.has-prefix input{padding-left:6px}
.tf-label{position:absolute;left:10px;top:50%;transform:translateY(-50%);padding:0 4px;background:var(--tf-bg);color:var(--md-on-surface-variant);pointer-events:none;border-radius:4px;transition:top var(--t2) var(--ease),font-size var(--t2) var(--ease),color var(--t2) var(--ease);white-space:nowrap}
.tf input:focus~.tf-label,.tf input:not(:placeholder-shown)~.tf-label,.tf input[type=date]~.tf-label,.tf.has-prefix .tf-label,.tf textarea:focus~.tf-label,.tf textarea:not(:placeholder-shown)~.tf-label{top:0;font-size:12px}
.tf:focus-within .tf-label{color:var(--md-primary)}
.tf.invalid .tf-label{color:var(--md-error)}
.tf-help{font-size:12px;color:var(--md-on-surface-variant);padding-left:14px}
.dlg .tf{--tf-bg:var(--md-surface-container-high)}

/* Dialogs: open and close transitions need no script */
.dlg{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 48px);padding:0;border:0;border-radius:var(--s-lg);background:var(--md-surface-container-high);color:var(--md-on-surface);overflow:hidden;flex-direction:column;opacity:0;transform:translateY(8px) scale(.98);transition:opacity var(--t2) var(--ease),transform var(--t3) var(--ease-out),overlay var(--t3) allow-discrete,display var(--t3) allow-discrete}
.dlg[open]{display:flex;opacity:1;transform:none}
@starting-style{.dlg[open]{opacity:0;transform:translateY(8px) scale(.98)}}
.dlg::backdrop{background:rgb(0 0 0/0);transition:background var(--t3) var(--ease),overlay var(--t3) allow-discrete,display var(--t3) allow-discrete}
.dlg[open]::backdrop{background:rgb(0 0 0/.42)}
@starting-style{.dlg[open]::backdrop{background:rgb(0 0 0/0)}}
.dlg.small{width:min(420px,calc(100vw - 32px))}
.dlg.wide{width:min(960px,calc(100vw - 32px))}
.dlg.form-dialog{width:min(640px,calc(100vw - 32px))}
.dlg-head{display:flex;align-items:flex-start;gap:12px;justify-content:space-between;padding:20px 12px 8px 24px}
.dlg-head h2{font:500 22px/1.3 var(--display);overflow-wrap:anywhere}
.dlg-body{padding:8px 24px 16px;overflow:auto;min-height:0;overscroll-behavior:contain}
.dlg-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 20px 16px;flex-wrap:wrap}
.save-status{margin-right:auto;font-size:13px;color:var(--md-on-surface-variant)}
.dlg-body form{display:grid;gap:14px;padding-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.form-error{color:var(--md-on-error-container);background:var(--md-error-container);padding:10px 14px;border-radius:var(--s-sm);font-size:14px}
#signin p:first-child{margin-bottom:2px;color:var(--md-on-surface-variant)}
.period{border:1px solid var(--md-outline-variant);border-radius:var(--s-md);padding:14px;margin:0;min-width:0}
.period legend{padding:0 6px;font-size:13px;font-weight:600;color:var(--md-on-surface-variant)}
.period .seg{height:54px;align-items:stretch}
.period .seg label span{height:100%}
.dropzone{display:grid;justify-items:center;gap:2px;padding:18px;border:1.5px dashed var(--md-outline);border-radius:var(--s-md);text-align:center;cursor:pointer;color:var(--md-on-surface-variant);transition:background var(--t2) var(--ease),border-color var(--t2) var(--ease),transform var(--t2) var(--ease)}
.dropzone:hover{background:color-mix(in srgb,var(--md-primary) 6%,transparent)}
.dropzone.over{border-color:var(--md-primary);background:var(--md-primary-container);transform:scale(1.01)}
.dropzone small{font-size:12px}
.file-list{display:grid;gap:6px}
.file-list:not(:empty){margin-top:10px}
.file-row{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;padding:4px 12px;border-radius:var(--s-sm);background:var(--md-surface-container);text-align:left}
.file-row .icon:first-child{color:var(--md-primary)}
.file-row.new{animation:chip-in var(--t2) var(--ease-out)}
.file-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px}
.facts dt{font-size:13px;color:var(--md-on-surface-variant)}
.facts dd{font-weight:500;overflow-wrap:anywhere}
.fact-wide{grid-column:1/-1}
.fact-note{white-space:pre-wrap;font-weight:400}
.files-title{font:600 14px/1.4 var(--font);margin:20px 0 8px}
.preview-frame{width:100%;height:70dvh;border:0;border-radius:var(--s-sm);background:#fff}
.preview-img{display:block;max-width:100%;max-height:70dvh;margin:auto;border-radius:var(--s-sm)}
.help-table td{padding:8px 12px 8px 0;border:0;vertical-align:top}
.help-table td:first-child{padding-left:0;white-space:nowrap}
.help-table tr{cursor:default}
.help-table tr:hover{background:none}

.snackbar{inset:auto auto 24px 50%;translate:-50% 0;margin:0;border:0;display:none;align-items:center;gap:12px;max-width:min(560px,calc(100vw - 32px));min-height:48px;padding:8px 16px;border-radius:var(--s-xs);background:var(--md-inverse-surface);color:var(--md-inverse-on-surface);box-shadow:0 4px 14px rgb(0 0 0/.3);opacity:0;transform:translateY(8px);transition:opacity var(--t2) var(--ease),transform var(--t2) var(--ease),overlay var(--t2) allow-discrete,display var(--t2) allow-discrete}
.snackbar:popover-open{display:flex;opacity:1;transform:none}
@starting-style{.snackbar:popover-open{opacity:0;transform:translateY(8px)}}
.snackbar .btn{color:var(--md-inverse-primary);flex:none}
.snackbar.error{background:var(--md-error);color:var(--md-on-error)}
.snackbar.error .btn{color:inherit}

/* The table becomes cards when its column is too narrow for every field (measured in explorer.js) */
.ex-main{min-width:0}
.as-cards .ex-table{background:none;border-radius:0;overflow:visible}
.as-cards .ex-table::after{display:none}
.as-cards .ex-table table,.as-cards .ex-table tbody{display:block;width:100%}
.as-cards .ex-table colgroup,.as-cards .ex-table thead{display:none}
.as-cards .ex-table tbody tr{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px 16px;margin-bottom:10px;padding:14px 16px 6px;border-radius:var(--s-md);background:var(--md-surface-container-low)}
.as-cards .ex-table tbody tr.selected{background:var(--md-secondary-container)}
.as-cards .ex-table tbody td{display:block;min-width:0;padding:0;border:0;font-size:14px;text-align:left;white-space:normal}
.as-cards .ex-table td[data-label]::before{content:attr(data-label);display:block;margin-bottom:1px;font-size:12px;color:var(--md-on-surface-variant)}
.as-cards .ex-table td.cell-primary{grid-column:1/-1;padding-right:36px;font-size:16px}
.as-cards .ex-table td.cell-check{position:absolute;top:6px;right:6px;width:auto}
.as-cards .ex-table .check{width:40px;height:40px}
.as-cards .ex-table td.cell-actions{grid-column:1/-1;display:flex;justify-content:flex-end;margin:-6px -8px 0 0}
.as-cards .ex-table .cell-actions .icon-btn{opacity:1}
.as-cards .ex-table .period-cell{flex-direction:column}
.as-cards .row-remark{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;white-space:normal}

/* Compact layouts */
@media (max-width:980px){
  .cell-primary{min-width:0}
}
@media (max-width:760px){
  :root{--rail:0px}
  .shell{padding-left:0}
  .nav{inset:auto 0 0 0;width:100%;height:calc(72px + env(safe-area-inset-bottom));padding:8px 0 env(safe-area-inset-bottom);flex-direction:row;background:var(--md-surface-container)}
  .nav-items{flex-direction:row;gap:0;justify-content:space-around}
  .nav-item{flex:1}
  .page{padding:4px 16px calc(168px + env(safe-area-inset-bottom))}
  .appbar{margin-bottom:8px}
  .college{font-size:13px;line-height:1.3}
  h1{font-size:26px}
  .page-head{flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:14px}
  .totals{flex-direction:row;align-items:baseline;gap:8px}
  .totals strong{font-size:22px}
  .period-bar{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
  .period-bar .sel,.period-bar .seg{width:100%}
  .searchbar{flex:1 1 100%;height:48px}
  .ex-toolbar{position:relative;gap:8px}
  .ex-toolbar>.btn{flex:1 1 0;height:44px;padding:0 12px}
  .sort-wrap{position:static;flex:1.5 1 0}
  .sort-wrap>.btn{width:100%;height:44px;padding:0 12px}
  .popover-card{left:0;right:0;width:auto;max-width:none;transform-origin:top center}
  .ex-summary{margin:4px 0}
  .ex-summary>.btn{padding:0 8px;margin-right:-8px}
  .ex-pager{justify-content:space-between;gap:4px}
  .ex-pager .sel.inline span{display:none}
  .pager-info{margin-right:auto;margin-left:8px}
  .chip{min-height:36px}
  .fab{right:16px;bottom:calc(84px + env(safe-area-inset-bottom));padding:0 18px 0 14px}
  .snackbar{bottom:calc(152px + env(safe-area-inset-bottom));width:max-content}
  /* 16px text stops phones zooming in when a field gets focus */
  .tf input,.tf textarea,.searchbar input,.sel select{font-size:16px}
  .tf input[type=date]{-webkit-appearance:none;appearance:none;min-width:0}
  .ex-filters{inset:auto 0 0 0;width:100%;max-height:86dvh;border-radius:var(--s-lg) var(--s-lg) 0 0;transform:translateY(102%);padding-bottom:env(safe-area-inset-bottom)}
  .dlg,.dlg.small,.dlg.wide,.dlg.form-dialog{width:100%;max-width:100%;max-height:92dvh;margin:auto 0 0;border-radius:var(--s-lg) var(--s-lg) 0 0;transform:translateY(32px)}
  .dlg[open]{transform:none}
  @starting-style{.dlg[open],.dlg.small[open],.dlg.wide[open],.dlg.form-dialog[open]{transform:translateY(32px)}}
  .dlg-actions{padding-bottom:calc(16px + env(safe-area-inset-bottom))}
  .form-grid{grid-template-columns:1fr}
  .form-grid .tf input[type=date]{width:100%}
  .facts{grid-template-columns:1fr 1fr}
  .dlg-head{padding-left:20px}
  .dlg-body{padding-left:20px;padding-right:20px}
  .preview-frame{height:60dvh}
}
/* Phones held sideways: the add button shrinks so it covers less of the list */
@media (max-height:500px){
  .fab{width:56px;padding:0;justify-content:center}
  .fab span{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after,::backdrop{animation-duration:1ms!important;animation-delay:0ms!important;transition-duration:1ms!important}
}