/* Gaya simpel & responsif untuk admin. Tanpa build step. */
* { box-sizing: border-box; }
:root {
  --bg: #f4f6f8; --card: #fff; --text: #1f2933; --muted: #6b7280;
  --border: #e2e8f0; --primary: #2563eb; --primary-d: #1d4ed8;
  --green: #16a34a; --green-bg: #dcfce7; --red: #dc2626; --red-bg: #fee2e2;
  --yellow: #b45309; --yellow-bg: #fef3c7;
}
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: #fff; border-bottom: 1px solid var(--border); padding: .6rem 1rem; }
.brand a { font-weight: 700; color: var(--text); font-size: 1.05rem; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border);
  border-radius: 6px; font-size: 1.2rem; padding: .1rem .5rem; cursor: pointer; }
.mainnav { display: flex; align-items: center; gap: .25rem; margin-left: auto; flex-wrap: wrap; }
.mainnav a { padding: .4rem .7rem; border-radius: 6px; color: var(--muted); }
.mainnav a.active, .mainnav a:hover { background: #eef2ff; color: var(--primary-d); text-decoration: none; }
.nav-user { color: var(--muted); font-size: .85rem; margin-left: .5rem; }

.container { max-width: 1000px; margin: 0 auto; padding: 1rem; }
.page-title { font-size: 1.4rem; margin: .3rem 0 1rem; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 1rem; margin-bottom: 1rem; }

label { display: block; font-size: .9rem; color: var(--muted); margin: .5rem 0 .2rem; }
input, select, textarea, button { font: inherit; }
input, select, textarea { width: 100%; padding: .5rem .6rem; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; }
textarea { min-height: 4rem; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; }
.row > div { flex: 1 1 160px; }

.btn { display: inline-block; background: var(--primary); color: #fff; border: none;
  border-radius: 8px; padding: .5rem .9rem; cursor: pointer; text-align: center; }
.btn:hover { background: var(--primary-d); text-decoration: none; }
.btn-sm { padding: .3rem .6rem; font-size: .85rem; }
.btn-secondary { background: #e5e7eb; color: var(--text); }
.btn-danger { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .02em; color: var(--muted); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }

.flash { padding: .6rem .8rem; border-radius: 8px; margin-bottom: .8rem; font-size: .95rem; }
.flash-success { background: var(--green-bg); color: #14532d; }
.flash-error { background: var(--red-bg); color: #7f1d1d; }
.flash-warning { background: var(--yellow-bg); color: #78350f; }
.flash-info { background: #e0f2fe; color: #075985; }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.badge-green { background: var(--green-bg); color: #14532d; }
.badge-red { background: var(--red-bg); color: #7f1d1d; }
.badge-yellow { background: var(--yellow-bg); color: #78350f; }
.badge-gray { background: #e5e7eb; color: #374151; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.inline { display: inline; }
.mt { margin-top: 1rem; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.help { font-size: .82rem; color: var(--muted); margin-top: .2rem; }

.login-wrap { max-width: 360px; margin: 8vh auto; }

/* Kalender */
.cal-wrap { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.cal-month { flex: 1 1 280px; min-width: 250px; }
.cal-title { font-weight: 600; text-align: center; margin: .2rem 0 .5rem; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-head { font-size: .68rem; text-transform: uppercase; letter-spacing: .02em;
  color: var(--muted); text-align: center; padding: .15rem 0; }
.cal-cell { aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  border-radius: 7px; font-size: .85rem; background: #fff; border: 1px solid var(--border); }
.cal-cell a { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center;
  color: inherit; text-decoration: none; border-radius: 7px; }
.cal-empty { background: transparent; border: none; }
.cal-free { background: var(--green-bg); color: #14532d; border-color: #bbf7d0; }
.cal-unconfirmed { background: var(--yellow-bg); color: #78350f; border-color: #fde68a; }
.cal-confirmed { background: var(--red-bg); color: #7f1d1d; border-color: #fecaca; }
.cal-today { outline: 2px solid var(--primary); outline-offset: -2px; font-weight: 700; }
.cal-legend { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: .85rem; margin: .3rem 0 .8rem; }
.cal-legend span { display: inline-flex; align-items: center; gap: .4rem; }
.cal-dot { width: 13px; height: 13px; border-radius: 4px; display: inline-block; border: 1px solid rgba(0,0,0,.06); }

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .mainnav { display: none; width: 100%; flex-direction: column; align-items: stretch; }
  body.nav-open .mainnav { display: flex; }
  .mainnav a { padding: .6rem .4rem; }
  .nav-user { margin: .3rem 0 0; }
}