:root {
  --navy: #050b3f; --navy-2: #11184f; --navy-3: #1b2566;
  --accent: #5cff00; --accent-ink: #050b3f; --accent-soft: #d9ffb5;
  --bg: #f5f6f2; --surface: #fff; --border: #e8eaf0; --muted: #4b5563; --ink: #11184f;
  --danger: #b3261e; --danger-bg: #fdecea; --ok: #1a7f37; --ok-bg: #e9f9ee;
  --radius: 12px; --shadow: 0 6px 20px rgba(5,11,63,.08);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink); line-height: 1.5; }
a { color: var(--navy-3); }
h1, h2, h3 { font-weight: 800; color: var(--navy-2); line-height: 1.2; }
:where(a, button, input, select, textarea, summary):focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.skip-link { position: absolute; left: 12px; top: -50px; background: var(--accent); color: var(--accent-ink); font-weight: 700; padding: 10px 16px; border-radius: 8px; z-index: 200; transition: top .15s; }
.skip-link:focus { top: 12px; }

/* shell */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #fff; padding: 20px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .06em; padding: 6px 10px 20px; font-size: 1.05rem; }
.sidebar .brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.78); text-decoration: none; padding: 10px 12px; border-radius: 8px; font-size: .92rem; font-weight: 600; }
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar nav a.active { background: var(--accent); color: var(--accent-ink); }
.sidebar .group-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.45); padding: 16px 12px 4px; }
.sidebar form { margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); }
.sidebar .logout-btn { width: 100%; background: transparent; border: 1px solid rgba(255,255,255,.25); color: #fff; padding: 9px; border-radius: 8px; cursor: pointer; font-weight: 600; }
.sidebar .logout-btn:hover { background: rgba(255,255,255,.08); }

.main { padding: 28px 32px 60px; max-width: 1100px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.topbar h1 { margin: 0; font-size: 1.5rem; }
.topbar .sub { color: var(--muted); font-size: .9rem; margin-top: 4px; }

/* flash */
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-weight: 600; font-size: .92rem; }
.flash.success { background: var(--ok-bg); color: var(--ok); border: 1px solid #b7e4c3; }
.flash.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f3c2bd; }

/* cards / tables */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; margin-bottom: 20px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat strong { display: block; font-size: 1.8rem; color: var(--navy-2); }
.stat span { font-size: .8rem; color: var(--muted); }
.stat.warn strong { color: #b45309; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:hover td { background: #fbfcfe; }
.table-wrap { overflow-x: auto; }
.thumb { width: 42px; height: 42px; object-fit: contain; background: #f4f7fb; border-radius: 6px; border: 1px solid var(--border); }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: #fff4e0; color: #b45309; }
.badge.off { background: #f1f2f6; color: var(--muted); }
.badge.accent { background: var(--accent-soft); color: var(--navy-2); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .88rem; padding: 10px 16px; border-radius: 9px; border: 1.5px solid transparent; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--navy-2); color: #fff; }
.btn-primary:hover { background: var(--navy-3); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { filter: brightness(0.96); }
.btn-outline { background: #fff; color: var(--navy-2); border-color: var(--border); }
.btn-outline:hover { border-color: var(--navy-2); }
.btn-danger { background: #fff; color: var(--danger); border-color: #f3c2bd; }
.btn-danger:hover { background: var(--danger-bg); }
.btn-sm { padding: 6px 11px; font-size: .8rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* forms */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; font-size: .84rem; color: var(--navy-2); margin-bottom: 5px; }
.field .hint { font-size: .78rem; color: var(--muted); margin-top: 4px; }
input[type=text], input[type=email], input[type=tel], input[type=url], input[type=password], input[type=time], input[type=search], input[type=number], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: #fff; color: var(--ink);
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy-2); box-shadow: 0 0 0 3px rgba(17,24,79,.12); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 0 0 18px; }
legend { font-weight: 800; color: var(--navy-2); padding: 0 6px; font-size: .95rem; }
.repeat-row { display: grid; grid-template-columns: 1fr 1fr 100px auto; gap: 8px; margin-bottom: 8px; align-items: center; }
.error-box { background: var(--danger-bg); color: var(--danger); border: 1px solid #f3c2bd; padding: 12px 14px; border-radius: 9px; margin-bottom: 16px; font-size: .9rem; }
.form-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

/* login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--navy); padding: 20px; }
.login-card { background: #fff; border-radius: 18px; padding: 36px; width: 100%; max-width: 380px; box-shadow: 0 30px 60px rgba(0,0,0,.3); }
.login-card .brand { display: flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: .06em; color: var(--navy-2); margin-bottom: 22px; font-size: 1.1rem; }
.login-card .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }

pre.log { background: var(--navy); color: #d7e2ff; padding: 16px; border-radius: 10px; font-size: .82rem; overflow-x: auto; max-height: 400px; }

.hours-table td:first-child { font-weight: 700; }
.hours-inline { display: flex; gap: 8px; align-items: center; }
.hours-inline input[type=time] { width: 110px; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .main { padding: 20px 16px 60px; }
  .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .repeat-row { grid-template-columns: 1fr; }
}