:root {
  --bg: #f2f4f8;
  --card: #ffffff;
  --text: #1a2233;
  --muted: #6b7688;
  --border: #e2e6ee;
  --primary: #2557d6;
  --primary-dark: #1c44ab;
  --green: #1a9e4b;
  --red: #d63030;
  --orange: #e08a00;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-weight: normal; }
.small { font-size: 13px; }
.link { color: var(--primary); text-decoration: none; }
.error {
  background: #fde8e8; color: #9b1c1c; border: 1px solid #f5c2c2;
  border-radius: 8px; padding: 8px 12px; margin: 10px 0; font-size: 14px;
}
.notice {
  background: #fff6e5; color: #8a5b00; border: 1px solid #f2ddb0;
  border-radius: 8px; padding: 8px 12px; margin: 10px 0; font-size: 14px;
}

.center-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.container { max-width: 1100px; margin: 0 auto; padding: 20px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(20, 30, 60, .06);
}
.card h1 { margin: 0 0 4px; font-size: 22px; }
.card h2 { margin: 0 0 14px; font-size: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chk { font-size: 14px; color: var(--muted); display: flex; gap: 6px; align-items: center; }

.login-card { width: 360px; text-align: center; }
.login-card form { text-align: left; margin-top: 16px; }
label { display: block; font-size: 14px; margin-bottom: 12px; color: var(--muted); }
input[type=text], input[type=password], input[type=date], select {
  width: 100%; padding: 10px 12px; margin-top: 4px;
  border: 1px solid var(--border); border-radius: 8px; font-size: 15px;
  background: #fff; color: var(--text);
}
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.inline-form input { width: auto; flex: 1; min-width: 140px; margin-top: 0; }
.controls input, .controls select { width: auto; margin-top: 0; padding: 8px 10px; }

.btn {
  border: none; border-radius: 8px; padding: 10px 16px; font-size: 15px;
  cursor: pointer; background: #e8ecf4; color: var(--text); font-weight: 600;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-dark { background: #232a3a; color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-block { width: 100%; }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn-big { font-size: 20px; padding: 16px 28px; }

.topbar {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 14px 24px; display: flex; justify-content: space-between; align-items: center;
}
.topbar-right { display: flex; gap: 16px; align-items: center; }
.clock { font-variant-numeric: tabular-nums; font-weight: 600; }

.worktime-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 10px 0; }
.wt-box {
  border: 1px solid var(--border); border-radius: 12px; padding: 18px; text-align: center;
}
.wt-label { color: var(--muted); font-size: 14px; }
.wt-time { font-size: 40px; font-weight: 700; margin: 8px 0 14px; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.row-problem { background: #fff5f5; }

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 20px;
  font-size: 12.5px; font-weight: 600;
}
.badge-ok      { background: #e3f6ea; color: var(--green); }
.badge-late    { background: #fde8e8; color: var(--red); }
.badge-early   { background: #fff1dc; color: var(--orange); }
.badge-missing { background: #fde8e8; color: var(--red); }
.badge-missed  { background: #fde8e8; color: var(--red); }
.badge-active  { background: #e7efff; color: var(--primary); }
.badge-pending { background: #eef1f6; color: var(--muted); }
.badge-none    { background: transparent; color: var(--muted); }

.overlay {
  position: fixed; inset: 0; background: rgba(12, 18, 32, .75);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.ping-card { width: 420px; text-align: center; border: 3px solid var(--green); }
.ping-icon { font-size: 56px; }

@media (max-width: 700px) {
  .worktime-grid { grid-template-columns: 1fr; }
}