/* Sabaq. Design: "a well-made paper planner, turned into software". Tokens from the approved mockup. */
:root{
  color-scheme:light;
  --paper:#FAF8F3; --paper-2:#F7F4EE; --card:#FFFFFF; --card-2:#FDFCF9; --line:#ECE7DD; --line-2:#E2DCCF; --line-3:#C9C1B1;
  --ink:#1C1B19; --ink-2:#5E5A52; --ink-3:#8F897D;
  --green:#1F4D3A; --green-btn:#1F4D3A; --green-btn-h:#18402F; --green-tint:#E7EEEA; --green-line:#CFDCD4;
  --hl:#F4D35E; --hl-ink:#1C1B19; --red:#C0442F; --red-ink:#7A2A1C; --red-tint:#F8ECE8; --red-line:#EDD3CB;
  --sage:#7BA68A; --sage-ink:#4E7A5D; --sage-tint:#EEF4EF; --yel-tint:#FBF1CC; --yel-line:#F0E2A8; --yel-ink:#7A5E0E;
  --ruled:#EFEAE0; --dots:#E6E0D3;
  --serif:'Instrument Serif','Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Geist','Inter',-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --shadow-1:0 1px 2px rgba(40,34,20,.05),0 1px 1px rgba(40,34,20,.03);
  --shadow-2:0 1px 2px rgba(40,34,20,.06),0 8px 24px -6px rgba(40,34,20,.10);
  --shadow-3:0 2px 4px rgba(40,34,20,.06),0 24px 48px -16px rgba(40,34,20,.22);
  --tabbar-h:64px;
}
/* Dark mode only when the person picks it in Settings. The default is the light paper look. */
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#171614; --paper-2:#1B1A17; --card:#211F1C; --card-2:#1E1C19; --line:#302D28; --line-2:#3B3732; --line-3:#575147;
  --ink:#EDE8DF; --ink-2:#B9B2A6; --ink-3:#8A8377;
  --green:#8CC7A8; --green-btn:#2E6B51; --green-btn-h:#357A5D; --green-tint:#1F2D26; --green-line:#2E4A3C;
  --hl:#E9C850; --hl-ink:#1C1B19; --red:#EA8270; --red-ink:#F1B3A6; --red-tint:#35211C; --red-line:#4E2C25;
  --sage:#6E9A7E; --sage-ink:#9CC6AA; --sage-tint:#1E2A22; --yel-tint:#332C14; --yel-line:#4A4019; --yel-ink:#E9C850;
  --ruled:#2A2824; --dots:#2C2A26;
  --shadow-1:0 1px 2px rgba(0,0,0,.25); --shadow-2:0 1px 2px rgba(0,0,0,.3),0 8px 24px -6px rgba(0,0,0,.45); --shadow-3:0 2px 4px rgba(0,0,0,.3),0 24px 48px -16px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img,svg{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
h1,h2,h3{font-weight:400}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--ink-2)}
.faint{color:var(--ink-3)}
.small{font-size:12.5px}
.mt{margin-top:12px}
.i{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.i-sm{width:14px;height:14px}
.i-lg{width:22px;height:22px}
.hl{background:linear-gradient(100deg,transparent 0,color-mix(in srgb,var(--hl) 80%,transparent) 4%,color-mix(in srgb,var(--hl) 65%,transparent) 92%,transparent 100%);color:var(--hl-ink);padding:1px 6px;margin:0 -1px;border-radius:3px 6px 4px 7px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.late{color:var(--red)}

/* ---------- logo ---------- */
.logo{font-family:var(--serif);font-size:28px;line-height:1;letter-spacing:-.01em;position:relative;display:inline-block;padding-right:18px;text-decoration:none;color:var(--ink)}
.logo::after{content:"";position:absolute;right:0;top:-6px;width:9px;height:22px;background:var(--green);clip-path:polygon(0 0,100% 0,100% 100%,50% 78%,0 100%)}
.logo.big{font-size:56px;padding-right:32px}
.logo.big::after{width:15px;height:38px;top:-10px}
.logo-sub{display:block;font-family:var(--sans);font-size:12px;color:var(--ink-3);letter-spacing:0;margin-top:6px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;gap:22px;background:var(--paper-2)}
.side>.logo{font-size:26px;margin-left:8px;align-self:flex-start}
.class-pick{position:relative}
.class-pick summary{list-style:none;display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:var(--card);border:1px solid var(--line);cursor:pointer}
.class-pick summary::-webkit-details-marker{display:none}
.class-pick .av{width:30px;height:30px;border-radius:8px;background:var(--green-tint);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex:none}
.cp-t{min-width:0;flex:1}
.cp-t b{font-weight:500;font-size:13px;line-height:1.3;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cp-t small{display:block;font-size:11.5px;color:var(--ink-3);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cp-menu{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:20;background:var(--card);border:1px solid var(--line-2);border-radius:10px;box-shadow:var(--shadow-3);padding:6px}
.cp-menu button,.cp-menu a{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:none;padding:8px 10px;border-radius:7px;font-size:13px;text-decoration:none;color:var(--ink)}
.cp-menu button:hover,.cp-menu a:hover{background:var(--paper)}
.cp-menu button.on{font-weight:600}
.cp-menu a{color:var(--ink-2);border-top:1px solid var(--line);border-radius:0 0 7px 7px;margin-top:4px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--ink-2);text-decoration:none;font-size:13.5px;border:1px solid transparent}
.nav a:hover{background:color-mix(in srgb,var(--ink) 4%,transparent);color:var(--ink)}
.nav a.on{background:var(--card);color:var(--ink);font-weight:500;box-shadow:var(--shadow-1);border-color:var(--line)}
.nav a.on .i{color:var(--green)}
.nav .count{margin-left:auto;font-size:12px;color:var(--ink-3);font-weight:400}
.nav .count.red{color:var(--red);font-weight:600}
.side-post{justify-content:center}
.side-foot{margin-top:auto}
.me{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;text-decoration:none}
.me:hover{background:color-mix(in srgb,var(--ink) 4%,transparent)}
.me b{font-weight:500;font-size:13px;display:block;line-height:1.3;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me small{display:block;color:var(--ink-3);font-size:12px;line-height:1.3}
.avatar{width:32px;height:32px;border-radius:50%;background:#E9E3D6;color:#1C1B19;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:500;flex:none;text-decoration:none}
.avatar.sm{width:26px;height:26px;font-size:10.5px}
.avatar.cr{background:var(--green-tint);color:var(--green)}
.mtop{display:none}
.main{padding:36px 44px 72px;min-width:0;max-width:1180px;width:100%}
.tabbar,.fab{display:none}

/* ---------- page head ---------- */
.main-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.main-head .date{font-size:13px;color:var(--ink-3);margin-bottom:4px}
.main-head h1{font-family:var(--serif);font-size:44px;line-height:1.05;margin:0;letter-spacing:-.01em}
.head-sub{margin:8px 0 0;color:var(--ink-2)}
.head-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.back{display:inline-flex;align-items:center;gap:4px;color:var(--ink-2);text-decoration:none;font-size:13px;margin-bottom:14px}
.back:hover{color:var(--ink)}

/* ---------- buttons & inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:0 14px;border-radius:9px;border:1px solid var(--line-2);background:var(--card);font-size:13px;font-weight:500;box-shadow:var(--shadow-1);white-space:nowrap;text-decoration:none;color:var(--ink);transition:border-color .15s,background .15s}
.btn:hover{border-color:var(--line-3)}
.btn.primary{background:var(--green-btn);border-color:var(--green-btn);color:#fff}
.btn.primary:hover{background:var(--green-btn-h)}
.btn.ghost{background:transparent;box-shadow:none;border-color:transparent;color:var(--ink-2)}
.btn.ghost:hover{background:color-mix(in srgb,var(--ink) 5%,transparent)}
.btn.icon{width:36px;padding:0}
.btn.big{min-height:44px;font-size:14px;padding:0 20px;border-radius:10px}
.btn.wide{width:100%}
.btn.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn.danger,.linkbtn.danger,button.danger{color:var(--red)}
.btn.done-on{background:var(--sage-tint);border-color:transparent;color:var(--sage-ink)}
.btn.confirming{background:var(--red);border-color:var(--red);color:#fff}
.linkbtn{border:0;background:none;padding:0;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;font-size:13px}
.linkbtn:hover{color:var(--ink)}
.inp{width:100%;min-height:38px;border-radius:9px;border:1px solid var(--line-2);background:var(--card);padding:8px 11px;font-size:14px;line-height:1.4;color:var(--ink);transition:border-color .15s}
.inp:hover{border-color:var(--line-3)}
.inp:focus{outline:2px solid var(--green);outline-offset:0;border-color:transparent}
textarea.inp{resize:vertical;min-height:80px}
select.inp{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 16px) 16px,calc(100% - 11px) 16px;background-size:5px 5px;background-repeat:no-repeat;padding-right:30px}
input[type=checkbox],input[type=radio]{accent-color:var(--green-btn)}
.lbl{font-size:12.5px;color:var(--ink-2);font-weight:500}
.stack{display:flex;flex-direction:column;gap:10px}
.fl{display:flex;flex-direction:column;gap:5px}
.fl>span{font-size:12.5px;color:var(--ink-2)}
.check-row{display:flex;align-items:center;gap:8px;flex-direction:row}
.check-row input{width:16px;height:16px;margin:0}
.hint{font-size:12.5px;color:var(--ink-3);margin:0}
.form-err{background:var(--red-tint);color:var(--red-ink);border:1px solid var(--red-line);border-radius:9px;padding:9px 12px;margin:0 0 12px;font-size:13.5px}
.dev-note{background:var(--yel-tint);border:1px solid var(--yel-line);color:var(--yel-ink);border-radius:9px;padding:9px 12px;font-size:13.5px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg{display:inline-flex;align-self:flex-start;border:1px solid var(--line-2);border-radius:9px;overflow:hidden;background:var(--card)}
.seg a,.seg label{border:0;background:transparent;padding:7px 12px;font-size:12.5px;color:var(--ink-2);border-right:1px solid var(--line);text-decoration:none;cursor:pointer;display:inline-flex;align-items:center}
.seg>*:last-child{border-right:0}
.seg .on,.seg label:has(input:checked){background:var(--ink);color:var(--paper)}
.seg input{position:absolute;opacity:0;pointer-events:none}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-1)}
.card.pad{padding:22px 24px}
.card+.card,.card.pad+.card.pad{margin-top:16px}
.c-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.c-head h3{margin:0;font-family:var(--serif);font-size:24px;line-height:1.15}
.c-head a{font-size:12.5px;color:var(--ink-2);text-decoration:none;white-space:nowrap}
.c-head a:hover{color:var(--ink)}
.empty{text-align:center;padding:28px 16px;color:var(--ink-2);display:flex;flex-direction:column;align-items:center;gap:6px}
.empty .i{color:var(--ink-3);margin-bottom:4px}
.empty b{color:var(--ink);font-weight:500;font-size:14.5px}
.empty p{margin:0 0 6px;font-size:13px;max-width:320px}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:500;padding:2px 8px;border-radius:20px;line-height:1.5;background:var(--paper);color:var(--ink-2);white-space:nowrap}
.tag.red{background:var(--red-tint);color:var(--red)}
.tag.green{background:var(--green-tint);color:var(--green)}
.tag.sage{background:var(--sage-tint);color:var(--sage-ink)}
.tags{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:4px 0 2px;font-size:12px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);z-index:50;display:flex;align-items:center;gap:8px;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:10px;box-shadow:var(--shadow-3);font-size:13.5px;max-width:calc(100% - 32px);animation:toast 4.2s ease forwards}
.toast.err{background:var(--red);color:#fff}
@keyframes toast{0%{opacity:0;transform:translate(-50%,-8px)}6%{opacity:1;transform:translate(-50%,0)}88%{opacity:1}100%{opacity:0;visibility:hidden}}

/* ---------- banner ---------- */
.banner{display:flex;gap:12px;align-items:flex-start;background:var(--red-tint);border:1px solid var(--red-line);border-left:3px solid var(--red);border-radius:0 10px 10px 0;padding:14px 16px;margin-bottom:20px;color:var(--red-ink)}
.banner>.i{color:var(--red);margin-top:2px}
.banner b{font-weight:600;color:var(--red)}
.banner a{text-decoration:none}
.banner a:hover{text-decoration:underline}
.banner .when{margin-left:auto;font-size:12px;opacity:.75;white-space:nowrap}
.setup{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:18px 22px;margin-bottom:16px;flex-wrap:wrap;background-image:radial-gradient(var(--dots) 1px,transparent 1.2px);background-size:16px 16px}
.setup b{font-weight:500;font-size:15px}
.setup p{margin:2px 0 0}

/* ---------- dashboard ---------- */
.dash{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.dash>.card+.card{margin-top:0}
.c-today{grid-column:span 7;padding:24px}
.c-stack{grid-column:span 5;display:flex;flex-direction:column;gap:16px}
.c-stack .card+.card{margin-top:0}
.c-tasks{grid-column:span 7;padding:24px}
.c-files{grid-column:span 5;padding:24px}

/* timeline */
.tl{position:relative;display:flex;flex-direction:column}
.tl-row{display:grid;grid-template-columns:64px 20px minmax(0,1fr);column-gap:12px;min-height:64px}
.tl-time{font-size:12.5px;color:var(--ink-2);text-align:right;padding-top:12px;line-height:1.3}
.tl-time small{display:block;color:var(--ink-3);font-size:11.5px}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--line-2)}
.tl-row:first-child .tl-rail::before{top:18px}
.tl-row:last-child .tl-rail::before{bottom:calc(100% - 18px)}
.tl-row:only-child .tl-rail::before{display:none}
.tl-dot{position:relative;margin-top:14px;width:9px;height:9px;border-radius:50%;background:var(--card);border:1.5px solid var(--line-3)}
.tl-item{padding:7px 0 14px;min-width:0}
.tl-item .name{font-weight:500;font-size:14.5px}
.tl-item .name.big{font-size:15.5px;margin-top:2px}
.tl-item .sub{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);margin-top:3px}
.tl-item .sub span{display:inline-flex;gap:5px;align-items:center}
.tl-row.cancel .name{text-decoration:line-through;text-decoration-color:var(--red);color:var(--ink-3)}
.tl-row.cancel .tl-dot{border-color:var(--red)}
.tl-row.past{opacity:.55}
.tl-row.now .tl-dot{background:var(--green);border-color:var(--green);box-shadow:0 0 0 4px var(--green-tint)}
.now-card{position:relative;background:var(--card);border:1px solid var(--green-line);border-radius:12px;padding:12px 16px 12px;margin:2px 0 6px;box-shadow:var(--shadow-2)}
.now-card::after{content:"";position:absolute;right:18px;top:-1px;width:10px;height:24px;background:var(--green);clip-path:polygon(0 0,100% 0,100% 100%,50% 78%,0 100%)}
.room-old{text-decoration:line-through;color:var(--ink-3)}
.room-new{color:var(--red);font-weight:500}
.progress{height:4px;border-radius:4px;background:var(--line);margin-top:12px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--green);border-radius:4px}
.prog-meta{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-3);margin-top:6px}

.c-tomorrow{padding:18px 22px;display:flex;gap:14px;align-items:flex-start}
.c-tomorrow .ic{width:36px;height:36px;border-radius:10px;background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2);flex:none}
.c-tomorrow .k{font-size:12px;color:var(--ink-3)}
.c-tomorrow p{margin:2px 0 0;font-size:14.5px;line-height:1.45}
.c-tomorrow b{font-weight:600}
.c-cr{padding:20px 22px 22px;flex:1}
.ruled{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 27px,var(--ruled) 27px,var(--ruled) 28px);line-height:28px;margin:0;padding:0;list-style:none}
.ruled li{display:flex;gap:10px;align-items:flex-start;font-size:14px}
.ruled li .t{flex:1;text-decoration:none;min-width:0}
.ruled li .t:hover{text-decoration:underline;text-decoration-color:var(--line-3)}
.ruled li .t b{font-weight:500}
.ruled li .tm{font-size:12px;color:var(--ink-3);white-space:nowrap}
.ruled li .pip{width:6px;height:6px;border-radius:50%;margin-top:11px;flex:none;background:var(--ink-3)}
.ruled li.red .pip{background:var(--red)}
.ruled li.red .t b{color:var(--red)}

/* tasks */
.task{display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:12px;align-items:start;padding:13px 0;border-top:1px solid var(--line)}
.c-head+.task{border-top:0;padding-top:2px}
.done-form{margin:0}
.check{width:20px;height:20px;border-radius:6px;border:1.5px solid var(--line-3);background:var(--card);display:flex;align-items:center;justify-content:center;margin-top:1px;padding:0;color:#fff;transition:background .15s,border-color .15s,transform .1s}
.check:active{transform:scale(.9)}
.check:hover{border-color:var(--green)}
.check .i{width:13px;height:13px;stroke-width:2.4;opacity:0}
.task.done .check{background:var(--sage);border-color:var(--sage)}
.task.done .check .i{opacity:1}
.task .tx{text-decoration:none;min-width:0}
.task .tt{font-weight:500;font-size:14.5px}
.task .td{font-size:12.5px;color:var(--ink-2);margin-top:2px}
.task .due{font-size:13px;text-align:right;white-space:nowrap}
.task .due small{display:block;font-size:12px;color:var(--ink-3);margin-top:3px}
.task.done .tt{text-decoration:line-through;color:var(--ink-3);text-decoration-color:var(--sage)}
.task.done .td{color:var(--ink-3)}
.task.done .due .hl{background:none;color:var(--ink-3)}
.task.done .due small{display:none}
.stopped{display:none;font-size:12px;color:var(--sage-ink);margin-top:4px;align-items:center;gap:5px}
.task.done .stopped{display:inline-flex}
.rem-steps{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin:-4px 0 12px 34px;font-size:11px;color:var(--ink-3)}
.rem-steps span{display:inline-flex;align-items:center;gap:4px;padding:2px 6px;border-radius:5px;background:var(--paper);border:1px solid var(--line)}
.rem-steps span.sent{background:var(--green-tint);border-color:var(--green-line);color:var(--green)}
.rem-steps span.sent::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green)}
.rem-steps small{margin-left:4px}
.task-group .task:first-of-type{border-top:0}
.chips{display:flex;gap:6px;margin:0 0 16px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.chips::-webkit-scrollbar{display:none}
.chip-f{height:32px;padding:0 12px;border-radius:16px;border:1px solid var(--line-2);background:var(--card);font-size:12.5px;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;color:var(--ink-2);text-decoration:none}
.chip-f:hover{border-color:var(--line-3)}
.chip-f.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip-f small{font-size:11px;opacity:.65}

/* files */
.file{display:flex;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line);text-decoration:none;flex:1;min-width:0}
.c-head+.file,.c-head+.file-line .file,.post-files .file:first-child{border-top:0}
.file:hover .fn{text-decoration:underline;text-decoration-color:var(--line-3)}
.fx{min-width:0;display:flex;flex-direction:column}
.file .fn{font-weight:500;font-size:13.5px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file .fm{font-size:12px;color:var(--ink-3)}
.file .go{margin-left:auto;color:var(--ink-3)}
.ftype{width:36px;height:40px;border-radius:6px;border:1px solid var(--line-2);background:var(--paper);display:flex;align-items:flex-end;justify-content:center;font-size:9px;font-weight:600;padding-bottom:5px;color:var(--ink-2);position:relative;flex:none;letter-spacing:.02em}
.ftype::before{content:"";position:absolute;top:-1px;right:-1px;width:10px;height:10px;background:var(--card);border-left:1px solid var(--line-2);border-bottom:1px solid var(--line-2);border-radius:0 6px 0 3px}
.ftype.pdf{color:var(--red)}
.ftype.ppt{color:#B7672A}
.ftype.doc{color:#3D6A9E}
.ftype.xls{color:var(--sage-ink)}
.ftype.link{align-items:center;padding:0;color:var(--green)}
.ftype.link::before{display:none}
.file-line{display:flex;align-items:center;gap:6px;border-top:1px solid var(--line)}
.file-line .file{border-top:0}
.c-head+.file-line{border-top:0}
.files-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
.files-grid>div>.card+.card{margin-top:16px}
.upload-card{position:sticky;top:20px}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:22px 14px;border:1px dashed var(--line-3);border-radius:12px;background:var(--paper);color:var(--ink-2);cursor:pointer;font-size:13.5px}
.drop:hover,.drop.over{border-color:var(--green);background:var(--green-tint)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.or{display:flex;align-items:center;gap:10px;margin:18px 0 12px;font-size:12px;color:var(--ink-3)}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}

/* alerts */
.alert{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);text-decoration:none;align-items:flex-start}
.c-head+.alert{border-top:0;padding-top:2px}
.a-ic{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none;background:var(--card);border:1px solid var(--line);color:var(--ink-2)}
.a-ic.red{background:var(--red-tint);border-color:var(--red-line);color:var(--red)}
.a-ic.green{background:var(--green-tint);border-color:var(--green-line);color:var(--green)}
.a-ic.yel{background:var(--yel-tint);border-color:var(--yel-line);color:var(--yel-ink)}
.ax{min-width:0;flex:1;display:flex;flex-direction:column}
.alert .at{font-size:13.5px;font-weight:500;line-height:1.35}
.alert .at.red{color:var(--red)}
.alert .as{font-size:12.5px;color:var(--ink-2);line-height:1.4;margin-top:1px}
.alert .aw{font-size:11.5px;color:var(--ink-3);white-space:nowrap;padding-left:6px}
.unread{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;margin-right:6px;vertical-align:2px}

/* week */
.week{display:grid;grid-template-columns:repeat(var(--days),minmax(0,1fr));gap:12px;align-items:start}
.week .card+.card{margin-top:0}
.wday{padding:14px 12px 10px}
.wday.today{border-color:var(--green-line);box-shadow:var(--shadow-2)}
.wday.gone{opacity:.7}
.wday-h{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin:0 2px 10px}
.wday-h b{font-family:var(--serif);font-weight:400;font-size:21px}
.wday-h span.num{font-size:12px;color:var(--ink-3)}
.wday-h .tag{margin-left:auto}
.wday-off{margin:2px 2px 8px}
.wslot{border:1px solid var(--line);border-left:3px solid var(--green);border-radius:4px 9px 9px 4px;padding:8px 10px;margin-bottom:8px;background:var(--card-2)}
.wslot.lab{border-left-color:var(--sage)}
.wslot.cancelled,.wslot.moved{border-left-color:var(--red);background:transparent}
.wslot.cancelled .ws-name,.wslot.moved .ws-name{text-decoration:line-through;text-decoration-color:var(--red);color:var(--ink-3)}
.wslot.extra{border-left-color:var(--hl);border-style:dashed solid dashed solid}
.ws-time{font-size:11.5px;color:var(--ink-3)}
.ws-name{font-weight:500;font-size:13.5px;line-height:1.3;margin:1px 0}
.ws-sub{font-size:12px;color:var(--ink-2)}
.wslot .tag{margin-top:5px}

/* timetable editor */
.tt-edit{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
.tt-edit .card+.card{margin-top:0}
.tt-edit>.card:last-child:nth-child(3){grid-column:1 / -1}
.ed-day{font-size:12px;font-weight:600;color:var(--ink-3);margin:14px 0 4px}
.ed-day:first-of-type{margin-top:0}
.ed-slot{border:1px solid var(--line);border-radius:9px;margin-bottom:6px;background:var(--card-2)}
.ed-slot summary{list-style:none;display:grid;grid-template-columns:110px minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:9px 12px;cursor:pointer;font-size:13.5px}
.ed-slot summary::-webkit-details-marker{display:none}
.ed-slot summary span.num{font-size:12.5px;color:var(--ink-2);white-space:nowrap}
.ed-slot summary b{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ed-slot summary .i{color:var(--ink-3)}
.ed-slot[open]{background:var(--card);box-shadow:var(--shadow-1)}
.ed-slot[open] summary{border-bottom:1px solid var(--line)}
.ed-slot form{padding:12px}
.fgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:12px}
.fgrid .wide{grid-column:span 2}
.fgrid .check-row{align-self:end;min-height:38px}
.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:4px}
.row-actions form{margin:0}
.course-form{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1.4fr) auto;gap:8px;padding:8px 0;border-top:1px solid var(--line)}
.c-head+.course-form{border-top:0}

/* CR panel */
.cr-panel{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:16px;align-items:start}
.cr-panel .card+.card{margin-top:0}
.cr-main{padding:0;overflow:hidden}
.cr-cols{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.cr-cols>div{padding:24px}
.cr-cols>div+div{border-left:1px solid var(--line);background:var(--card-2)}
.step-k{font-size:12.5px;color:var(--ink-3);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.step-k b{width:20px;height:20px;border-radius:50%;border:1px solid var(--line-2);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:500;color:var(--ink-2);background:var(--card)}
.paste-box{min-height:200px;background:var(--paper);border-style:dashed;border-color:var(--line-3);font-size:13.5px;line-height:1.55}
.paste-foot{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.read-notes{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.read-notes li{display:flex;gap:7px;align-items:flex-start;font-size:12.5px;color:var(--yel-ink);background:var(--yel-tint);border:1px solid var(--yel-line);border-radius:8px;padding:7px 10px;line-height:1.4}
.read-notes li .i{margin-top:2px}
.reading{opacity:.6;pointer-events:none}
.field{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;align-items:center;padding:6px 0}
.field.top{align-items:start}
.field.top .flabel{padding-top:9px}
.flabel{font-size:12.5px;color:var(--ink-2)}
.field.check-row{display:grid}
.field.check-row>span:last-child{display:flex;align-items:center;gap:8px;font-size:13px}
#post-form .hint{margin:-2px 0 4px 108px}
.kinds{display:flex;flex-direction:column;gap:6px}
.kind-row{display:flex;flex-wrap:wrap;gap:6px}
.kind-opt input{position:absolute;opacity:0;pointer-events:none}
.kind-opt span{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;border-radius:8px;border:1px solid var(--line-2);background:var(--card);font-size:12.5px;color:var(--ink-2);cursor:pointer}
.kind-opt span:hover{border-color:var(--line-3)}
.kind-opt input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.kind-opt.red input:checked+span{background:var(--red);border-color:var(--red);color:#fff}
.kind-opt input:focus-visible+span{outline:2px solid var(--green);outline-offset:2px}
.rem-pick{display:flex;gap:6px;flex-wrap:wrap}
.rp{position:relative;height:32px;padding:0 11px;border-radius:8px;border:1px solid var(--line-2);background:var(--card);font-size:12.5px;display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);cursor:pointer}
.rp input{position:absolute;opacity:0;pointer-events:none}
.rp .box{width:14px;height:14px;border-radius:4px;border:1.5px solid var(--line-3);display:inline-flex;align-items:center;justify-content:center}
.rp .box .i{width:10px;height:10px;stroke-width:2.6;opacity:0;color:#fff}
.rp:has(input:checked){border-color:var(--green-line);background:var(--green-tint);color:var(--green)}
.rp:has(input:checked) .box{background:var(--green-btn);border-color:var(--green-btn)}
.rp:has(input:checked) .box .i{opacity:1}
.rp:has(input:focus-visible){outline:2px solid var(--green);outline-offset:2px}
.attach{display:block;padding-top:10px}
.attach summary{cursor:pointer;display:inline-flex;align-items:center;gap:6px;list-style:none}
.attach summary::-webkit-details-marker{display:none}
.attach .stack{margin-top:10px}
.cr-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 24px;border-top:1px solid var(--line);flex-wrap:wrap}
.cr-actions .who{font-size:13px;color:var(--ink-2)}
.cr-side{display:flex;flex-direction:column;gap:16px}
.cr-side .card+.card{margin-top:0}
.qa{padding:20px}
.qa h4,.code-card h4{margin:0 0 12px;font-weight:500;font-size:13.5px}
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.qa-btn{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:12px;border-radius:10px;border:1px solid var(--line);background:var(--paper);font-size:13px;font-weight:500;text-decoration:none}
.qa-btn:hover{border-color:var(--line-3);background:var(--card)}
.qa-btn .i{color:var(--ink-2)}
.qa-btn.red .i{color:var(--red)}
.code-card{padding:20px}
.code{font-family:var(--serif);font-size:38px;line-height:1;letter-spacing:.04em;margin:4px 0 10px;word-break:break-all}
.joined{font-size:12.5px;color:var(--ink-2);margin-bottom:12px}
/* Fields that only apply to some kinds of post */
#post-form [data-show]{display:none}
#post-form[data-kind="quiz"] [data-show~="quiz"],#post-form[data-kind="assignment"] [data-show~="assignment"],#post-form[data-kind="exam"] [data-show~="exam"],
#post-form[data-kind="other"] [data-show~="other"],#post-form[data-kind="announcement"] [data-show~="announcement"],#post-form[data-kind="cancel"] [data-show~="cancel"],
#post-form[data-kind="reschedule"] [data-show~="reschedule"],#post-form[data-kind="room"] [data-show~="room"]{display:grid}
#post-form[data-kind] p.hint[data-show]{display:none}
#post-form[data-kind="reschedule"] p.hint[data-show~="reschedule"],#post-form[data-kind="quiz"] p.hint[data-show~="quiz"],#post-form[data-kind="assignment"] p.hint[data-show~="assignment"],
#post-form[data-kind="exam"] p.hint[data-show~="exam"],#post-form[data-kind="other"] p.hint[data-show~="other"],#post-form[data-kind="cancel"] p.hint[data-show~="cancel"],#post-form[data-kind="room"] p.hint[data-show~="room"]{display:block}

/* post */
.post-card{padding:28px 32px;max-width:760px}
.post-card.is-change{border-left:3px solid var(--red)}
.post-top{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px}
.post-title{font-family:var(--serif);font-size:38px;line-height:1.1;margin:12px 0 18px}
.facts{margin:0 0 18px;display:flex;flex-direction:column;gap:8px}
.facts div{display:grid;grid-template-columns:80px minmax(0,1fr);gap:12px;font-size:14.5px}
.facts dt{color:var(--ink-3);font-size:13px;padding-top:1px}
.facts dd{margin:0}
.done-big{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 0;border-top:1px dashed var(--line-2);border-bottom:1px dashed var(--line-2);margin-bottom:18px}
.post-body{font-size:15px;line-height:1.65;margin:0 0 18px;color:var(--ink);overflow-wrap:anywhere}
.post-files{border:1px solid var(--line);border-radius:10px;padding:2px 14px;margin-bottom:18px}
.post-foot{display:flex;align-items:center;gap:10px;font-size:13px;padding-top:14px;border-top:1px solid var(--line)}
.cr-stats{max-width:760px}
.stat-row{display:flex;gap:32px;flex-wrap:wrap}
.stat-row div{display:flex;align-items:baseline;gap:8px}
.stat-row b{font-family:var(--serif);font-size:34px;font-weight:400;line-height:1}
.stat-row span{color:var(--ink-2);font-size:13px}
.meter{height:4px;border-radius:4px;background:var(--line);margin:14px 0 6px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--sage)}
.src{margin:12px 0;font-size:13px;color:var(--ink-2)}
.src summary{cursor:pointer}
.src p{background:var(--paper);border:1px solid var(--line);border-radius:4px 12px 12px 12px;padding:10px 12px;margin:8px 0 0;line-height:1.55}

/* classmates & settings */
.class-grid,.settings-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
.class-grid .card+.card,.settings-grid .card+.card{margin-top:0}
.side-col{display:flex;flex-direction:column;gap:16px}
.side-col .card+.card{margin-top:0}
.people{list-style:none;margin:0;padding:0}
.people li{display:flex;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.people li:first-child{border-top:0}
.px{flex:1;min-width:0;display:flex;flex-direction:column}
.px b{font-weight:500;font-size:14px}
.px small{font-size:12px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menu{position:relative}
.menu summary{list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu-list{position:absolute;right:0;top:calc(100% + 4px);z-index:10;background:var(--card);border:1px solid var(--line-2);border-radius:10px;box-shadow:var(--shadow-3);padding:6px;min-width:180px;display:flex;flex-direction:column}
.menu-list button{border:0;background:none;text-align:left;padding:8px 10px;border-radius:7px;font-size:13px}
.menu-list button:hover{background:var(--paper)}
.leave{text-align:center}
.set-h{font-size:12px;font-weight:600;color:var(--ink-3);margin-top:10px}
.toggle{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}
.toggle input{width:18px;height:18px;margin:2px 0 0;flex:none}
.toggle b{font-weight:500;display:block}
.toggle small{color:var(--ink-2);font-size:12.5px}

/* ---------- signed-out pages ---------- */
body.bare{background-color:var(--paper);background-image:radial-gradient(var(--dots) 1px,transparent 1.2px);background-size:18px 18px}
.auth{max-width:880px;margin:0 auto;padding:64px 20px 48px;display:flex;flex-direction:column;align-items:center}
.auth>.logo{margin-bottom:36px}
.auth-card{width:100%;max-width:420px;padding:32px;box-shadow:var(--shadow-2)}
.auth-card h1{font-family:var(--serif);font-size:36px;line-height:1.1;margin:0 0 8px}
.auth-card>p.muted{margin:0 0 20px}
.code-inp{font-size:24px;letter-spacing:.2em;text-align:center;font-variant-numeric:tabular-nums;min-height:52px}
.resend{margin-top:16px;font-size:13px;text-align:center}
.auth-foot{margin-top:24px;font-size:12.5px;text-align:center}
.start-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;align-items:start}
.start-grid .auth-card{max-width:none}
.start-grid .card+.card{margin-top:0}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .main{padding:32px 28px 64px}
  .c-today,.c-stack,.c-tasks,.c-files{grid-column:span 12}
  .c-stack{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .cr-panel{grid-template-columns:minmax(0,1fr)}
  .cr-side{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .week{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  .shell{display:block}
  .side{display:none}
  .mtop{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:30;padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .mtop .logo{font-size:24px;padding-right:15px}
  .mtop .logo::after{width:8px;height:19px;top:-5px}
  .mtop-class{flex:1;min-width:0;font-size:12.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:right}
  .main{padding:20px 16px calc(var(--tabbar-h) + 32px + env(safe-area-inset-bottom,0px))}
  .main-head h1{font-size:34px}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:30;height:calc(var(--tabbar-h) + env(safe-area-inset-bottom,0px));padding:8px 4px env(safe-area-inset-bottom,0px);background:color-mix(in srgb,var(--card) 94%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .tab{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;color:var(--ink-3);position:relative;text-decoration:none;padding-top:2px}
  .tab .i{width:22px;height:22px}
  .tab.on{color:var(--green);font-weight:500}
  .tab .badge{position:absolute;top:-2px;left:calc(50% + 5px);min-width:16px;height:16px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center;padding:0 4px}
  .fab{display:flex;position:fixed;right:16px;bottom:calc(var(--tabbar-h) + 16px + env(safe-area-inset-bottom,0px));z-index:31;width:52px;height:52px;border-radius:16px;background:var(--green-btn);color:#fff;align-items:center;justify-content:center;box-shadow:var(--shadow-3)}
  .fab .i{width:22px;height:22px;stroke-width:2}
  .c-stack{display:flex}
  .files-grid,.class-grid,.settings-grid{grid-template-columns:minmax(0,1fr)}
  .upload-card{position:static}
  .tt-edit{grid-template-columns:minmax(0,1fr)}
  .cr-cols{grid-template-columns:minmax(0,1fr)}
  .cr-cols>div+div{border-left:0;border-top:1px solid var(--line)}
  .week{grid-template-columns:1fr 1fr}
  .start-grid{grid-template-columns:minmax(0,1fr)}
  .toast{top:auto;bottom:calc(var(--tabbar-h) + 18px + env(safe-area-inset-bottom,0px))}
  body.bare .toast{bottom:24px}
}
@media (max-width:560px){
  .main-head{margin-bottom:18px}
  .main-head h1{font-size:31px}
  .head-tools .btn:not(.icon):not(.primary){padding:0 11px}
  .banner .when{display:none}
  .card.pad{padding:18px 16px}
  .c-today,.c-tasks,.c-files{padding:18px 16px}
  .c-tomorrow,.c-cr{padding:16px}
  .tl-row{grid-template-columns:50px 16px minmax(0,1fr);column-gap:8px}
  .task{grid-template-columns:22px minmax(0,1fr)}
  .task .due{grid-column:2;text-align:left;display:flex;gap:8px;align-items:baseline;margin-top:-6px}
  .task .due small{margin-top:0}
  .rem-steps{margin-left:34px}
  .week{grid-template-columns:1fr}
  .cr-side{display:flex}
  .cr-cols>div{padding:18px 16px}
  .cr-actions{padding:14px 16px}
  .cr-actions .btn{width:100%}
  .field{grid-template-columns:1fr;gap:5px}
  .field.top .flabel{padding-top:0}
  #post-form .hint{margin-left:0}
  .fgrid{grid-template-columns:1fr 1fr}
  .fgrid .wide{grid-column:1 / -1}
  .course-form{grid-template-columns:1fr 1fr}
  .course-form .inp:first-child{grid-column:1 / -1}
  .ed-slot summary{grid-template-columns:auto minmax(0,1fr) auto}
  .ed-slot summary .faint{display:none}
  .post-card{padding:22px 18px}
  .post-title{font-size:30px}
  .auth{padding-top:40px}
  .logo.big{font-size:46px}
  .auth-card{padding:24px 20px}
  .qa-grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}