:root {
  --navy: #1b2a4a;
  --navy-light: #2b3f6b;
  --gold: #c9a227;
  --bg: #f4f5f8;
  --card: #ffffff;
  --text: #22293a;
  --muted: #6b7284;
  --border: #dde1ea;
  --green: #2e7d46;
  --amber: #b07a10;
  --red: #b03030;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
.hidden { display: none !important; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
}
.login-card {
  background: var(--card); border-radius: 12px; padding: 40px;
  width: 380px; max-width: 92vw; box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.login-card h1 { margin: 0; color: var(--navy); font-size: 26px; }
.login-card .subtitle { margin: 4px 0 24px; color: var(--muted); }
.login-card label { display: block; margin-bottom: 14px; font-weight: 600; font-size: 13px; }
.login-card input {
  width: 100%; margin-top: 5px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 8px; font-size: 15px;
}
.login-toggle { text-align: center; margin-top: 16px; font-size: 13px; }
.login-toggle a { color: var(--navy-light); }

/* ---------- Shell ---------- */
.topbar {
  background: var(--navy); color: #fff;
  display: flex; align-items: center; gap: 16px 24px;
  flex-wrap: wrap;
  padding: 6px 20px; min-height: 56px;
}
.brand { font-weight: 700; font-size: 17px; letter-spacing: .3px; }
#main-nav {
  display: flex; gap: 4px; flex: 1;
  flex-wrap: wrap; align-items: center;
}
#main-nav a {
  color: #cfd6e6; text-decoration: none; padding: 7px 12px;
  border-radius: 6px; font-size: 14px;
  white-space: nowrap; flex: 0 0 auto;
}
#main-nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
#main-nav a.active { background: var(--gold); color: var(--navy); font-weight: 600; }
.user-box {
  display: flex; align-items: center; gap: 10px; font-size: 13px;
  margin-left: auto; flex: 0 0 auto; white-space: nowrap;
}
.role-badge {
  background: rgba(255,255,255,.15); padding: 3px 9px;
  border-radius: 10px; font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
}
main { padding: 24px; max-width: 1280px; margin: 0 auto; }

/* ---------- Cards & headings ---------- */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin-bottom: 20px;
}
.card h2 { margin: 0 0 14px; font-size: 18px; color: var(--navy); }
.card h3 { margin: 18px 0 10px; font-size: 15px; color: var(--navy); }
.section-note { color: var(--muted); font-size: 13px; margin: 8px 0 14px; }
h2 + .section-note, h3 + .section-note, .flex-between + .section-note { margin-top: -6px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border-bottom: 1px solid var(--border); padding: 8px 10px; text-align: left; white-space: nowrap; }
th { background: #f0f2f7; color: var(--navy); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; position: sticky; top: 0; z-index: 1; }
tr:hover td { background: #f8f9fc; }
td input[type="text"] {
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; width: 130px;
}

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 8px 16px; border-radius: 8px; font-size: 14px; cursor: pointer;
}
.btn:hover { background: #f0f2f7; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-light); }
.btn.danger { color: var(--red); border-color: #e4bcbc; }
.btn.danger:hover { background: #fbeeee; }
.btn.small { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn.ghost { background: transparent; color: #cfd6e6; border-color: rgba(255,255,255,.3); }
.btn.ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn.full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* attendance status buttons */
.att-group { display: inline-flex; gap: 4px; }
.att-btn {
  border: 1px solid var(--border); background: #fff; border-radius: 6px;
  padding: 4px 10px; font-size: 12px; cursor: pointer; color: var(--muted);
}
.att-btn.on_time.sel { background: var(--green); border-color: var(--green); color: #fff; }
.att-btn.late.sel { background: var(--amber); border-color: var(--amber); color: #fff; }
.att-btn.no_show.sel { background: var(--red); border-color: var(--red); color: #fff; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px; margin-bottom: 14px;
}
.form-grid label, .inline-form label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); }
.form-grid input, .form-grid select,
.inline-form input, .inline-form select {
  width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 7px; font-size: 14px;
  background: #fff;
}
.inline-form { display: flex; gap: 10px 12px; align-items: flex-end; flex-wrap: wrap; }
.inline-form > label { flex: 0 1 190px; min-width: 130px; }
.inline-form .btn { flex: 0 0 auto; margin-bottom: 1px; }

/* ---------- Misc ---------- */
.error-box {
  background: #fbeeee; color: var(--red); border: 1px solid #e4bcbc;
  padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 14px;
}
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--navy); color: #fff; padding: 12px 22px;
  border-radius: 8px; font-size: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.25);
  z-index: 100;
}
.toast.error { background: var(--red); }
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 10px;
  font-size: 12px; background: #eef1f7; color: var(--navy);
}
.muted { color: var(--muted); }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tabs button {
  border: 1px solid var(--border); background: #fff; padding: 7px 16px;
  border-radius: 20px; cursor: pointer; font-size: 13px;
}
.tabs button.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.empty { color: var(--muted); font-style: italic; padding: 14px 0; }
.holiday-banner {
  background: #fdf6e3; border: 1px solid #ecd9a0; color: #8a6d1a;
  padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px;
}
@media (max-width: 720px) {
  .topbar { padding: 8px 12px; }
  main { padding: 12px; }
  .inline-form > label { flex: 1 1 140px; }
}