* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: #f4f6f8;
  color: #1f2933;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1.2rem;
  background: #14344f;
  color: #fff;
}
.brand {
  color: #fff; text-decoration: none; font-weight: 700; font-size: 1.1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.brand-logo {
  background: #fff; border-radius: 6px; padding: 0.15rem 0.5rem;
  display: flex; align-items: center;
}
.brand-logo img { height: 26px; display: block; }
.login-logo { display: block; max-width: 220px; margin: 0 auto 1rem; }
.nav { display: flex; align-items: center; gap: 1rem; }
.nav a { color: #cfe3f5; text-decoration: none; }
.nav a:hover { color: #fff; }
.who { color: #9fb8cc; font-size: 0.9rem; }
.container { max-width: 1000px; margin: 1.5rem auto; padding: 0 1rem; }

h1 { font-size: 1.4rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.muted { color: #7b8794; }

.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.8rem; }
.period-picker { display: flex; gap: 0.4rem; }

.card {
  background: #fff;
  border: 1px solid #e0e5ea;
  border-radius: 8px;
  padding: 1.2rem;
  margin: 1rem 0;
}
.login-card { max-width: 380px; margin: 4rem auto; }
.login-card label { display: block; margin-bottom: 0.8rem; }
.login-card input { width: 100%; margin-top: 0.25rem; }

input, select, textarea, button {
  font: inherit;
  padding: 0.4rem 0.55rem;
  border: 1px solid #c3ccd4;
  border-radius: 5px;
  background: #fff;
}
input:disabled { background: #eef1f4; color: #7b8794; }
input[type="number"] { width: 6.5rem; }
textarea { width: 100%; }

.btn { cursor: pointer; text-decoration: none; display: inline-block; color: #1f2933; }
.btn:hover { background: #eef1f4; }
.btn-primary { background: #1467b3; border-color: #1467b3; color: #fff; }
.btn-primary:hover { background: #0f548f; }
.btn-danger { background: #c0392b; border-color: #c0392b; color: #fff; }
.btn-danger:hover { background: #992d22; }
.link-btn { background: none; border: none; color: #cfe3f5; cursor: pointer; padding: 0; }
.notif-panel .link-btn, .container .link-btn { color: #1467b3; }
.inline { display: inline; }
.actions { display: flex; gap: 0.8rem; margin: 1rem 0; }

.table-wrap { overflow-x: auto; margin-top: 1rem; }
table.grid { border-collapse: collapse; width: 100%; background: #fff; }
.grid th, .grid td { border: 1px solid #e0e5ea; padding: 0.35rem 0.6rem; text-align: left; }
.grid thead th { background: #eaf1f7; }
.grid tfoot td { background: #eaf1f7; font-weight: 600; }
.grid input[type="text"] { width: 100%; min-width: 10rem; }
tr.weekend { background: #f7f3ea; }
.day-cell { white-space: nowrap; font-weight: 600; }

.alert { padding: 0.6rem 0.9rem; border-radius: 6px; }
.alert-ok { background: #e3f6e8; color: #1e6b34; border: 1px solid #b7e2c3; }
.alert-error { background: #fbe9e7; color: #a03024; border: 1px solid #f0c2bc; }

.status { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.9rem; }
.status-draft { background: #e4e7eb; }
.status-submitted { background: #fff3cd; color: #7a5c00; }
.status-approved { background: #e3f6e8; color: #1e6b34; }
.status-rejected { background: #fbe9e7; color: #a03024; }

.notif { position: relative; }
.notif summary { list-style: none; cursor: pointer; }
.notif summary::-webkit-details-marker { display: none; }
.badge {
  background: #e74c3c; color: #fff; border-radius: 999px;
  font-size: 0.7rem; padding: 0 0.35rem; vertical-align: top;
}
.notif-panel {
  position: absolute; right: 0; top: 1.8rem; z-index: 10;
  width: 320px; background: #fff; color: #1f2933;
  border: 1px solid #e0e5ea; border-radius: 8px; padding: 0.8rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.notif-panel ul { list-style: none; margin: 0 0 0.5rem; padding: 0; }
.notif-panel li { padding: 0.4rem 0; border-bottom: 1px solid #eef1f4; font-size: 0.9rem; }
.notif-panel li.unread { font-weight: 600; }
.notif-panel li a { color: #1467b3; text-decoration: none; display: block; }
.notif-panel li .muted { display: block; font-size: 0.75rem; font-weight: 400; }

.decide-card label { display: block; margin-bottom: 0.6rem; }

.card-title { margin-top: 0; }
.admin-form { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: flex-end; }
.admin-form label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
tr.inactive-user td { color: #9aa5b1; }
.admin-actions { white-space: nowrap; }
.admin-actions form, .admin-actions details { margin-right: 0.4rem; }
.reset-pwd { display: inline-block; }
.reset-pwd summary { list-style: none; cursor: pointer; display: inline-block; }
.reset-pwd summary::-webkit-details-marker { display: none; }
.reset-pwd form { margin-top: 0.3rem; }
.reset-pwd input { width: 12rem; }