:root {
  --bg: #f5f6f8; --card: #fff; --text: #1c1f26; --muted: #6b7280; --line: #e5e7eb;
  --primary: #2563eb; --green: #16a34a; --amber: #d97706; --red: #dc2626; --gray: #9ca3af;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--line); padding: 0 4px; border-radius: 4px; }
.topbar { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--muted); padding: 4px 0; }
.topbar nav a.active { color: var(--text); font-weight: 600; border-bottom: 2px solid var(--primary); }
.logout { display: flex; gap: 12px; align-items: center; margin: 0; }
.container { max-width: 1200px; margin: 24px auto; padding: 0 16px; }
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
h1 { font-size: 24px; margin: 0; }
h2 { font-size: 18px; margin: 24px 0 8px; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--red); }
.btn { display: inline-block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); cursor: pointer; font: inherit; }
.btn:hover { text-decoration: none; border-color: var(--gray); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.date-nav { display: flex; gap: 6px; align-items: center; margin: 0; }
input[type=date], input[type=text], input[type=password], input[type=tel], input:not([type]) { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit; background: var(--card); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; border-left: 4px solid var(--gray); }
.stat b { display: block; font-size: 26px; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 13px; }
.stat.present { border-left-color: var(--green); }
.stat.left { border-left-color: var(--amber); }
.stat.absent { border-left-color: var(--red); }
.map { height: 320px; border-radius: 8px; border: 1px solid var(--line); margin-bottom: 16px; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #fafafa; }
tr:last-child td { border-bottom: 0; }
tr.inactive td { color: var(--muted); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.present { background: #dcfce7; color: #166534; }
.badge.left { background: #fef3c7; color: #92400e; }
.badge.absent { background: #fee2e2; color: #991b1b; }
.badge.none { background: #f3f4f6; color: #4b5563; }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 4px; background: #eef2ff; color: #3730a3; margin-left: 4px; }
.tag.ok { background: #dcfce7; color: #166534; }
.tag.warn { background: #fee2e2; color: #991b1b; }
.details .session { margin-bottom: 6px; }
.comment { color: var(--muted); font-size: 13px; white-space: pre-line; }
.comment.absent { color: #991b1b; }
.login-box { max-width: 360px; margin: 80px auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.login-box label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.login-box input { display: block; width: 100%; margin-top: 4px; }
.login-box button { width: 100%; padding: 10px; }
@media (max-width: 640px) { .topbar { flex-wrap: wrap; gap: 12px; } .container { margin: 12px auto; } }

/* add-staff form on the Xodimlar page */
.add-staff { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.add-staff-fields { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.add-staff label { display: flex; flex-direction: column; gap: 4px; flex: 1 1 220px; }
.add-staff label span { font-size: 13px; color: var(--muted); }
.form-error { color: var(--red); margin: 12px 0 0; font-size: 14px; }
.form-ok { color: var(--green); margin: 12px 0 0; font-size: 14px; }