:root {
  --red: #8A0304; --red-dark: #6B0203; --ink: #1E1A1A; --mute: #6F6868;
  --line: #E7E2E2; --paper: #FFFFFF; --bg: #F6F5F5; --ok: #1E7248; --late: #A2560A;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Hind Siliguri', 'Noto Sans Bengali', system-ui, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px;
  -webkit-text-size-adjust: 100%;
}
button, input, select { font: inherit; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.btn {
  display: inline-block; border: 0; border-radius: 10px; padding: 12px 20px;
  background: var(--red); color: #fff; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--red-dark); }
.btn:disabled { opacity: .5; }
.link { background: none; border: 0; color: var(--mute); text-decoration: underline; cursor: pointer; padding: 8px; }
.msg { min-height: 1.6em; color: var(--red); font-weight: 500; }
.msg.good { color: var(--ok); }
.ok { color: var(--ok); font-weight: 600; }
.late { color: var(--late); font-weight: 600; }

/* কর্মীর অ্যাপ */
.app { min-height: 100vh; padding: env(safe-area-inset-top) 20px env(safe-area-inset-bottom); background: var(--paper); }
.top { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); max-width: 440px; margin: 0 auto; }
.brand, .mark { font-weight: 700; color: var(--red); letter-spacing: .04em; }
.who { color: var(--mute); }
.punch, .login { max-width: 440px; margin: 0 auto; text-align: center; padding: 40px 0 32px; }
.clock { font-size: clamp(64px, 20vw, 108px); font-weight: 600; line-height: 1; font-variant-numeric: tabular-nums; }
.date { color: var(--mute); margin-top: 10px; }
.status { margin: 28px 0 36px; }
.big {
  width: 208px; height: 208px; border-radius: 50%; border: 0; cursor: pointer;
  font-size: 22px; font-weight: 700; line-height: 1.3; padding: 24px;
  transition: transform .12s ease;
}
.big.in { background: var(--red); color: #fff; box-shadow: 0 0 0 12px rgba(138, 3, 4, .08); }
.big.out { background: #fff; color: var(--red); border: 3px solid var(--red); }
.big:active { transform: scale(.96); }
.big:disabled { opacity: .55; }
.confirm img { width: 180px; height: 180px; object-fit: cover; border-radius: 50%; display: block; margin: 0 auto 20px; border: 3px solid var(--line); }
.confirm .btn { width: 100%; padding: 16px; font-size: 19px; }
.login .mark { font-size: 28px; }
.login h1 { font-size: 30px; margin: 4px 0 8px; }
.login .sub { color: var(--mute); }
.login form, #reg { text-align: left; margin-top: 24px; }
.login label { display: block; font-weight: 500; margin-bottom: 16px; }
.login input { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 19px; }
.login .btn { width: 100%; padding: 14px; font-size: 19px; }
@media (prefers-reduced-motion: reduce) { .big { transition: none; } }

/* অ্যাডমিন */
.admin { font-size: 16px; }
.admin header { background: var(--paper); border-bottom: 1px solid var(--line); }
.admin .bar { max-width: 1100px; margin: 0 auto; padding: 12px 20px; display: flex; flex-wrap: wrap; gap: 6px 22px; align-items: center; }
.admin .bar .brand-row { margin-right: auto; display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.logo { width: 34px; height: 34px; border-radius: 7px; display: block; }
.logo-lg { width: 76px; height: 76px; border-radius: 14px; display: block; margin: 0 auto 12px; }
.admin nav a { color: var(--mute); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.admin nav a.on { color: var(--ink); border-color: var(--red); font-weight: 600; }
.admin nav { display: flex; gap: 18px; flex-wrap: wrap; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.wrap h1 { font-size: 24px; margin: 0 0 4px; }
.wrap h2 { font-size: 19px; margin: 32px 0 10px; }
.hint { color: var(--mute); font-size: 15px; margin-top: 0; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 20px; }
.scroll { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-weight: 600; color: var(--mute); font-size: 14px; background: #FBFAFA; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tfoot td { font-weight: 700; background: #FBFAFA; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.row label { display: flex; flex-direction: column; font-size: 14px; color: var(--mute); gap: 4px; }
.row input, .row select { padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: #fff; min-width: 0; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.checks label { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); font-size: 16px; }
.small { font-size: 14px; padding: 6px 12px; }
.ghost { background: #fff; color: var(--red); border: 1px solid var(--red); }
.ghost:hover { background: #FBF3F3; }
.tag { font-size: 13px; padding: 2px 8px; border-radius: 99px; background: #F0EEEE; color: var(--mute); }
.tag.yes { background: #E6F2EC; color: var(--ok); }
.flash { max-width: 1100px; margin: 16px auto 0; padding: 10px 20px; color: var(--ok); font-weight: 500; }
.flash.err { color: var(--red); }
.warn { background: #FFF4E5; color: #7A4300; padding: 10px 20px; text-align: center; }
.sum { display: flex; gap: 24px; flex-wrap: wrap; margin: 12px 0 16px; }
.sum b { font-size: 22px; }
details summary { cursor: pointer; color: var(--red); font-weight: 600; margin: 8px 0; }
a { color: var(--red); }
.adminlogin { max-width: 360px; margin: 12vh auto; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.adminlogin input { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 10px; margin: 8px 0 14px; }
.adminlogin .btn { width: 100%; }
#actions { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.altbtn { width: 100%; max-width: 320px; padding: 13px 16px; font-size: 17px; }
.meetform { text-align: left; }
.meetform label { display: block; font-weight: 500; margin-bottom: 14px; }
.meetform input { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 17px; }
.meetform .btn { width: 100%; padding: 14px; font-size: 18px; }
.meetform .link { display: block; margin: 8px auto 0; }
.tag.meet { background: #F3E7E7; color: var(--red); }
.mine { text-align: left; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.mine h2 { font-size: 18px; margin: 0 0 12px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stats div { background: var(--bg); border-radius: 12px; padding: 12px 6px; text-align: center; }
.stats b { display: block; font-size: 24px; font-variant-numeric: tabular-nums; }
.stats span { font-size: 13px; color: var(--mute); }
.leavehead { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; }
.leavehead h2 { margin: 0; }
.meetform select { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 17px; background: var(--paper); color: var(--ink); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
#leaveForm { margin-top: 14px; }
.leavelist { list-style: none; padding: 0; margin: 12px 0 0; }
.leavelist li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.tag.no { background: #FBEAEA; color: var(--red); }