:root {
  --navy: #1b2b4b;
  --navy-dark: #10192e;
  --accent: #1f8a5f;
  --accent-dark: #166b48;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #dfe4ec;
  --text: #1c2230;
  --text-muted: #667085;
  --danger: #c1443d;
  --radius: 6px;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ---------- Login ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-dark);
}
.login-card {
  background: var(--card);
  width: 320px;
  padding: 32px 28px;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,.35);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-brand { text-align: center; margin-bottom: 8px; }
.login-mark {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.login-brand h1 { font-size: 18px; margin: 0; color: var(--navy); }

label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-muted); font-weight: 600; }
input, select, textarea {
  font-size: 14px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

.btn {
  border: none;
  border-radius: 4px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--navy); border: 1px solid var(--border); }
.btn-ghost:hover { background: #eef1f6; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px; font-size: 15px; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

.alert { padding: 10px 12px; border-radius: 4px; font-size: 13px; }
.alert-error { background: #fbeceb; color: var(--danger); border: 1px solid #f0c4c1; }
.alert-success { background: #eaf6ef; color: var(--accent-dark); border: 1px solid #bfe6cf; }

/* ---------- Top nav ---------- */
.topbar {
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 52px;
}
.topbar-brand { font-weight: 700; letter-spacing: .5px; }
.topbar-nav { display: flex; gap: 4px; flex: 1; }
.topbar-nav a {
  color: #cbd5e6;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
}
.topbar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.topbar-nav a.active { background: var(--accent); color: #fff; }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 13px; color: #cbd5e6; }
.topbar-user .btn-ghost { color: #fff; border-color: rgba(255,255,255,.3); }

/* ---------- Kasir layout ---------- */
.kasir-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
  padding: 16px;
  align-items: start;
}
.kasir-main, .kasir-side { display: flex; flex-direction: column; gap: 14px; }

.search-box { position: relative; }
.search-box input, .cust-picker input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
}
.search-results {
  position: absolute;
  z-index: 20;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 100%;
  max-height: 260px;
  overflow-y: auto;
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}
.search-results .item {
  padding: 9px 12px;
  cursor: pointer;
  border-bottom: 1px solid #f0f2f5;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}
.search-results .item:hover { background: #eef6f1; }
.search-results .item small { color: var(--text-muted); display: block; }

.tbl-keranjang, .tbl-data {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
}
.tbl-keranjang th, .tbl-keranjang td,
.tbl-data th, .tbl-data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 13px;
}
.tbl-keranjang th, .tbl-data th { background: #eef1f6; color: var(--text-muted); font-weight: 600; }
.tbl-keranjang td input { width: 64px; padding: 5px; font-size: 13px; }
.empty-row td { text-align: center; color: var(--text-muted); padding: 24px; }
.right { text-align: right; }

.remove-item { color: var(--danger); cursor: pointer; font-weight: 700; }

.side-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--border);
}
.cust-picker { position: relative; }
.cust-selected { font-size: 12px; color: var(--accent-dark); font-weight: 600; }
.hint-hutang { font-size: 12px; color: #8a6d1a; background: #fdf3d9; border: 1px solid #f0deA0; border-radius: 4px; padding: 8px 10px; }

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.summary-row input { width: 110px; text-align: right; }
.summary-row.total { font-size: 18px; font-weight: 700; color: var(--navy); border-top: 1px solid var(--border); padding-top: 10px; }
.summary-row.change span:last-child { font-weight: 700; color: var(--accent-dark); }

/* ---------- Generic pages ---------- */
.page { padding: 20px; }
.page-grid { display: grid; grid-template-columns: 340px 1fr; gap: 16px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card h2 { margin-top: 0; font-size: 16px; color: var(--navy); }
.form-stack { display: flex; flex-direction: column; gap: 12px; }
.inline-search { display: flex; gap: 8px; align-items: end; margin: 10px 0 16px; flex-wrap: wrap; }
.inline-search label { flex-direction: row; align-items: center; gap: 6px; }

.stat-row { display: flex; gap: 24px; margin: 12px 0 18px; }
.stat { background: #eef1f6; border-radius: 4px; padding: 12px 18px; }
.stat-label { display: block; font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 20px; font-weight: 700; color: var(--navy); }

@media (max-width: 900px) {
  .kasir-layout, .page-grid { grid-template-columns: 1fr; }
}