* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Arial, sans-serif; background: #f3f5f9; color: #1f2937; }

.nav { display: flex; align-items: center; gap: 4px; background: #1e3a8a; padding: 0 20px; }
.nav .brand { color: #fff; font-weight: 600; margin-right: 24px; padding: 14px 0; }
.nav a { color: #c7d2fe; text-decoration: none; padding: 14px 14px; }
.nav a:hover, .nav a.active { color: #fff; background: #1e40af; }
.nav .logout { margin-left: auto; }
/* Login button on the public QR screen (index.php). */
.nav a.nav-login { margin: 8px 12px 8px auto; padding: 7px 22px; background: #fff; color: #1e3a8a; border-radius: 6px; font-weight: 600; }
.nav a.nav-login:hover { background: #e0e7ff; color: #1e3a8a; }
button.link { background: none; border: 0; color: #c7d2fe; font: inherit; cursor: pointer; padding: 14px 0; }
button.link:hover { color: #fff; }

.container { max-width: 1000px; margin: 0 auto; padding: 24px 16px; }
.container.wide { max-width: 1400px; }
/* Wide tables scroll inside their card on small screens instead of squeezing. */
.wide .card { overflow-x: auto; }
.wide td { white-space: nowrap; }
h1 { font-size: 22px; margin: 0 0 16px; }
.card { background: #fff; border-radius: 10px; padding: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.08); margin-bottom: 20px; }
.card h2 { font-size: 16px; margin: 0 0 14px; }

label { display: block; font-size: 13px; color: #4b5563; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], select {
  width: 100%; padding: 9px 10px; border: 1px solid #cbd5e1; border-radius: 6px; font: inherit; background: #fff;
}
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > div { flex: 1; min-width: 160px; }
.btn { background: #1e40af; color: #fff; border: 0; border-radius: 6px; padding: 9px 16px; font: inherit; cursor: pointer; }
.btn:hover { background: #1e3a8a; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.grey { background: #64748b; }
a.btn { text-decoration: none; display: inline-block; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid #e5e7eb; font-size: 14px; vertical-align: middle; }
th { color: #6b7280; font-weight: 600; font-size: 12px; text-transform: uppercase; }
td form { display: inline-flex; gap: 6px; }
td input[type=password] { width: 150px; padding: 5px 8px; }
.muted { color: #9ca3af; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.in { background: #dcfce7; color: #166534; }
.badge.out { background: #e0e7ff; color: #3730a3; }
.badge.absent { background: #fee2e2; color: #991b1b; }
.badge.off { background: #e5e7eb; color: #4b5563; }
.time { white-space: nowrap; padding: 2px 0; }
.remaining { color: #b91c1c; }
.done { color: #166534; font-weight: 600; }
.extra { color: #166534; font-size: 12px; white-space: nowrap; }
.overtime { color: #166534; white-space: nowrap; }

.stats { display: flex; gap: 12px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 140px; background: #f3f5f9; border-radius: 8px; padding: 12px 14px; }
.stat span { display: block; font-size: 12px; color: #6b7280; text-transform: uppercase; font-weight: 600; }
.stat strong { display: block; font-size: 22px; margin-top: 4px; }

@media print {
  .nav, .no-print { display: none; }
  body { background: #fff; }
  .container { max-width: none; padding: 0; }
  .card { box-shadow: none; padding: 0; }
}

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: #fee2e2; color: #991b1b; }
.alert.ok { background: #dcfce7; color: #166534; }

.login { max-width: 360px; margin: 10vh auto 0; }
.login h1 { text-align: center; }
.login .field { margin-bottom: 14px; }
.login .btn { width: 100%; }

.qr-wrap { text-align: center; }
.qr-wrap h1 { font-size: 26px; margin-bottom: 4px; }
#qr { display: inline-block; padding: 16px; background: #fff; border-radius: 10px; margin: 18px 0 14px; min-width: 392px; min-height: 392px; }
#qr img, #qr canvas { display: block; }
@media (max-width: 600px) {
  #qr { min-width: 0; min-height: 0; padding: 8px; }
  #qr img, #qr canvas { max-width: 100%; height: auto; }
  .nav a.nav-login { margin-right: 0; }
}
#clock { font-size: 20px; font-weight: 600; }
.manual-btn { margin-top: 18px; padding: 11px 22px; font-size: 16px; }

.manual-dialog { border: 0; border-radius: 10px; padding: 24px; width: min(360px, calc(100vw - 32px)); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.manual-dialog::backdrop { background: rgba(15,23,42,.5); }
.manual-dialog h2 { font-size: 18px; margin: 0 0 14px; }
.code-input { width: 100%; padding: 10px; border: 1px solid #cbd5e1; border-radius: 6px; font: inherit; font-size: 28px; letter-spacing: 12px; text-align: center; margin-bottom: 14px; }
.manual-dialog .alert { margin-bottom: 14px; }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; }
.manual-code { display: inline-block; font-family: Consolas, monospace; font-size: 16px; font-weight: 600; letter-spacing: 2px; margin-right: 6px; }