[hidden]{display:none!important}
/* Layout: a study-desk app. Notebook-ruled ground, a "copy" page for the timer with a margin line,
   a live hall beside it on wide screens, planner and week below. One column on phones. */
:root{
  --paper:#F3F6FB;
  --surface:#FFFFFF;
  --ink:#14213F;
  --ink-2:#4B5878;
  --rule:#DDE4F0;
  --blue:#2742B5;          /* classic fountain-pen blue ink */
  --marigold:#F2A20C;      /* highlighter / genda phool */
  --marigold-ink:#6E4600;
  --margin:#E46A6A;        /* notebook margin line */
  --cell:#E8EDF6;
  --good:#1D8757;
  --s0:#2742B5; --s1:#E0701B; --s2:#1D8757; --s3:#B5317A; --s4:#6E56E8; --s5:#7C8AA8;
  --shadow:0 1px 0 rgba(20,33,63,.06),0 8px 24px -14px rgba(20,33,63,.28);
  --display:"Baloo 2","Noto Sans Bengali","Noto Sans Telugu","Noto Sans Tamil","Noto Sans KR",system-ui,sans-serif;
  --body:"Mukta","Noto Sans Bengali","Noto Sans Telugu","Noto Sans Tamil","Noto Sans KR",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0D1322; --surface:#151D31; --ink:#E7ECF7; --ink-2:#A1ACC6; --rule:#243052;
  --blue:#8EA1FF; --marigold:#FFB628; --marigold-ink:#FFD786; --margin:#C25555; --cell:#1D2741; --good:#4CC48B;
  --s0:#8EA1FF; --s1:#FF9A4D; --s2:#4CC48B; --s3:#F07AB8; --s4:#B49DFF; --s5:#7D89A6;
  --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 28px -16px rgba(0,0,0,.7);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --paper:#0D1322; --surface:#151D31; --ink:#E7ECF7; --ink-2:#A1ACC6; --rule:#243052;
  --blue:#8EA1FF; --marigold:#FFB628; --marigold-ink:#FFD786; --margin:#C25555; --cell:#1D2741; --good:#4CC48B;
  --s0:#8EA1FF; --s1:#FF9A4D; --s2:#4CC48B; --s3:#F07AB8; --s4:#B49DFF; --s5:#7D89A6;
  --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 28px -16px rgba(0,0,0,.7);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{
  background-color:var(--paper);
  background-image:repeating-linear-gradient(to bottom,transparent 0 31px,var(--rule) 31px 32px);
  background-attachment:fixed;
  color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.5;
}
.app{max-width:1080px;margin:0 auto;padding-inline:16px;padding-block:20px 40px;display:flex;flex-direction:column;gap:20px}
button,select,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--marigold);outline-offset:2px;border-radius:6px}

/* header */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand svg{flex:none}
.brand h1{font-family:var(--display);font-weight:800;font-size:1.6rem;line-height:1;margin:0;letter-spacing:-.01em}
.brand p{margin:2px 0 0;color:var(--ink-2);font-size:.85rem;line-height:1.2}
.controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.select{appearance:none;background:var(--surface);border:1.5px solid var(--rule);border-radius:999px;padding:6px 32px 6px 14px;font-weight:700;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 16px) 55%,calc(100% - 11px) 55%;background-size:5px 5px;background-repeat:no-repeat;cursor:pointer}
.seg{display:inline-flex;background:var(--surface);border:1.5px solid var(--rule);border-radius:999px;padding:2px}
.seg button{border:0;background:transparent;border-radius:999px;padding:4px 11px;cursor:pointer;font-weight:700;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}

/* grid */
.grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;align-items:start}
.grid > *{min-width:0}
.span{grid-column:1/-1}
@media (max-width:820px){.grid{grid-template-columns:minmax(0,1fr)}}

.card{background:var(--surface);border:1px solid var(--rule);border-radius:18px;box-shadow:var(--shadow);padding:20px}
.card h2{font-family:var(--display);font-weight:700;font-size:1.25rem;line-height:1.2;margin:0;text-wrap:balance}
.sub{color:var(--ink-2);font-size:.9rem;margin:2px 0 0}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:14px}

/* timer page */
.timer{position:relative;padding-left:34px;overflow:hidden}
.timer::before{content:"";position:absolute;left:22px;top:0;bottom:0;width:2px;background:var(--margin);opacity:.55}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 11px;font-size:.85rem;font-weight:700;border:1.5px solid var(--rule);background:var(--paper);cursor:default}
button.chip{cursor:pointer}
.chip.dday{border-color:var(--blue);color:var(--blue)}
.chip.streak{border-color:var(--marigold);color:var(--marigold-ink)}
.today-label{margin:18px 0 0;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.clock{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums;font-size:clamp(2.9rem,11vw,4.6rem);line-height:1.05;letter-spacing:-.02em;margin:2px 0 4px}
.clock.running{color:var(--blue)}
.now{display:flex;align-items:center;gap:8px;min-height:1.6em;color:var(--ink-2);font-weight:500}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--marigold);box-shadow:0 0 0 0 var(--marigold);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--marigold) 60%,transparent)}100%{box-shadow:0 0 0 12px transparent}}
.big{margin:16px 0 18px;display:inline-flex;align-items:center;gap:10px;border:0;border-radius:999px;padding:12px 28px;font-family:var(--display);font-weight:800;font-size:1.25rem;cursor:pointer;
  background:var(--marigold);color:#2A1A00;box-shadow:0 6px 0 -1px color-mix(in srgb,var(--marigold) 55%,#000)}
.big:active{transform:translateY(2px);box-shadow:0 3px 0 -1px color-mix(in srgb,var(--marigold) 55%,#000)}
.big.on{background:var(--ink);color:var(--paper);box-shadow:0 6px 0 -1px color-mix(in srgb,var(--ink) 60%,#000)}
.subjects{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.subj{width:100%;display:grid;grid-template-columns:14px minmax(0,1fr) auto 30px;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;border:1.5px solid transparent;background:var(--paper);cursor:pointer;text-align:left}
.subj:hover{border-color:var(--rule)}
.subj.active{border-color:var(--blue);background:color-mix(in srgb,var(--blue) 8%,var(--surface))}
.dot{width:14px;height:14px;border-radius:4px}
.subj .name{font-weight:700;overflow-wrap:anywhere}
.subj .t{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink-2);font-size:.95rem}
.subj .ic{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--rule)}
.subj.active .ic{background:var(--blue);border-color:var(--blue);color:var(--surface)}

.banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;background:color-mix(in srgb,var(--marigold) 16%,var(--surface));border:1.5px dashed var(--marigold);border-radius:12px;padding:10px 14px;font-size:.92rem}
.linkbtn{border:0;background:none;padding:0;font-weight:700;color:var(--blue);text-decoration:underline;text-underline-offset:3px;cursor:pointer}

/* guide */
.guide .head{margin-bottom:12px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.steps li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:start}
.num{width:32px;height:32px;border-radius:50%;background:var(--marigold);color:#2A1A00;font-family:var(--display);font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.steps h3{font-family:var(--display);font-weight:700;font-size:1.02rem;line-height:1.25;margin:3px 0 2px}
.steps p{margin:0;color:var(--ink-2);font-size:.92rem}
.guide-open{border-color:var(--blue);color:var(--blue);background:var(--surface)}

/* hall */
.ist{font-family:var(--mono);font-size:.85rem;color:var(--ink-2);white-space:nowrap}
.live-count{display:inline-flex;align-items:center;gap:8px;font-weight:700;margin-bottom:10px}
.hall-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px dashed var(--rule)}
.row:last-child{border-bottom:0}
.rank{font-family:var(--display);font-weight:800;font-size:1.05rem;color:var(--ink-2);text-align:center}
.row.top1 .rank{color:var(--marigold-ink)}
.who{min-width:0}
.who .n{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;gap:6px}
.who .st{font-size:.82rem;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.sd{width:8px;height:8px;border-radius:50%;background:var(--rule);flex:none}
.sd.on{background:var(--marigold)}
.row .t{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:600}
.row.me{background:color-mix(in srgb,var(--blue) 7%,transparent);border-radius:10px}
.pill{font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:1px 7px;border-radius:999px;border:1px solid var(--rule);color:var(--ink-2)}
.pill.you{border-color:var(--blue);color:var(--blue)}
.note{font-size:.85rem;color:var(--ink-2);margin:12px 0 0}
.nickform{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.nickform label{flex-basis:100%;font-size:.82rem;font-weight:700;color:var(--ink-2)}
.input{flex:1 1 160px;min-width:0;background:var(--paper);border:1.5px solid var(--rule);border-radius:10px;padding:8px 12px}
.btn{border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:10px;padding:8px 16px;font-weight:700;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule)}

/* planner */
.planner-wrap{overflow-x:auto}
.planner{display:grid;grid-template-columns:38px repeat(6,minmax(22px,1fr));gap:3px;min-width:260px}
.planner .h{font-family:var(--mono);font-size:.75rem;color:var(--ink-2);align-self:center}
.cell{height:16px;border-radius:3px;background:var(--cell)}
.cell.now{outline:2px solid var(--marigold);outline-offset:1px}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:12px;font-size:.85rem;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}

/* week */
.weekbox svg{width:100%;height:auto;display:block}
.axis{fill:var(--ink-2);font-family:var(--mono);font-size:12px}
.gl{stroke:var(--rule);stroke-width:1}
.bar{fill:var(--blue)}
.bar.today{fill:var(--marigold)}
.val{fill:var(--ink);font-family:var(--mono);font-size:12px;font-weight:600}
.empty{color:var(--ink-2);font-size:.9rem;margin:6px 0 0}

/* settings */
.settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.82rem;font-weight:700;color:var(--ink-2)}
footer{color:var(--ink-2);font-size:.82rem;text-align:center}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}.big:active{transform:none}}

/* ---------- launch build additions ---------- */
html,body{min-height:100%}
.tabs{display:inline-flex;background:var(--paper);border:1.5px solid var(--rule);border-radius:999px;padding:2px;margin-bottom:12px;max-width:100%}
.tabs button{border:0;background:transparent;border-radius:999px;padding:5px 14px;font-weight:700;color:var(--ink-2);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper)}
.group-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.group-bar select{max-width:100%}
.code{font-family:var(--mono);font-weight:600;letter-spacing:.12em;background:var(--paper);border:1.5px dashed var(--rule);border-radius:8px;padding:2px 8px}
.group-empty{display:flex;flex-direction:column;gap:12px;padding:6px 0 4px}
.group-empty p{margin:0;color:var(--ink-2)}
.row-form{display:flex;flex-wrap:wrap;gap:8px}
.row-form .input{flex:1 1 150px}
.btn.wa{background:#1F9D55;border-color:#1F9D55;color:#fff}
.btn.small{padding:5px 11px;font-size:.88rem}
.err{color:var(--margin);font-weight:600;font-size:.88rem;margin:0}
.account{display:flex;flex-direction:column;gap:8px}
.account p{margin:0;color:var(--ink-2);font-size:.9rem}
.demo{background:color-mix(in srgb,var(--blue) 10%,var(--surface));border:1.5px dashed var(--blue);border-radius:12px;padding:8px 14px;font-size:.9rem}
.install{border-color:var(--marigold);color:var(--marigold-ink)}
.modal-back{position:fixed;inset:0;background:rgba(10,16,30,.55);display:grid;place-items:center;padding:16px;z-index:50}
.modal{background:var(--surface);color:var(--ink);border-radius:18px;max-width:440px;width:100%;padding:22px;box-shadow:0 20px 60px -20px rgba(0,0,0,.6);display:flex;flex-direction:column;gap:12px;max-height:calc(100% - 32px);overflow:auto}
.modal h2{font-family:var(--display);font-weight:800;font-size:1.35rem;margin:0;line-height:1.2}
.modal p{margin:0;color:var(--ink-2)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.check input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--blue)}
.links{display:flex;gap:14px;font-size:.9rem}
.links a{color:var(--blue);font-weight:700}
.countdown{font-family:var(--mono);font-size:2rem;font-weight:600;color:var(--blue);font-variant-numeric:tabular-nums}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:12px;font-weight:600;z-index:60;max-width:calc(100% - 32px);box-shadow:var(--shadow)}
footer a{color:inherit;font-weight:700}