:root {
  --primary: #0F6E56;
  --primary-soft: #E1F5EE;
  --bg: #F5F6F4;
  --card: #FFFFFF;
  --text: #1D2521;
  --muted: #6B7570;
  --border: #E2E6E3;
  --danger: #A32D2D;
  --danger-soft: #FCEBEB;
  --warn: #854F0B;
  --warn-soft: #FAEEDA;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans Thai", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }

/* ---------- login ---------- */
.login-wrap {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--card); border-radius: 16px; padding: 32px 24px;
  width: 100%; max-width: 360px; text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.login-logo { font-size: 44px; margin-bottom: 8px; }
.login-card form { margin-top: 20px; text-align: left; }

/* ---------- topbar / nav ---------- */
#topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--primary); color: #fff;
  padding: 14px 16px;
  padding-top: calc(14px + env(safe-area-inset-top));
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600;
}
.topbar-right { display: flex; align-items: center; gap: 10px; font-weight: 400; }
#topbar .muted { color: rgba(255,255,255,.75); font-size: 13px; }
.topbar-user {
  background: rgba(255,255,255,.14); border: none; cursor: pointer;
  color: #fff; font-family: inherit; font-size: 13px;
  padding: 6px 12px; border-radius: 99px;
}
.topbar-user::before { content: '👤 '; }

.profile-rows { width: 100%; font-size: 14px; border-collapse: collapse; }
.profile-rows td { padding: 7px 0; border-bottom: 1px solid var(--border); }
.profile-rows tr:last-child td { border-bottom: none; }
.profile-rows td:first-child { color: var(--muted); width: 42%; }
.profile-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.profile-avatar {
  width: 48px; height: 48px; border-radius: 50%; flex: none;
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
}

#bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  background: var(--card); border-top: 1px solid var(--border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
}
.nav-btn {
  flex: 1; background: none; border: none; cursor: pointer;
  padding: 8px 0 6px; font-size: 12px; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-family: inherit;
}
.nav-btn span { font-size: 20px; }
.nav-btn.active { color: var(--primary); font-weight: 600; }

/* ---------- layout ---------- */
main { padding: 16px 16px 84px; max-width: 520px; margin: 0 auto; }
main:has(.view.wide:not(.hidden)) { max-width: 880px; }

.card {
  background: var(--card); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
  border: 1px solid var(--border);
}

/* ---------- form ---------- */
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 12px; }
input, select, textarea {
  width: 100%; margin-top: 4px;
  padding: 10px 12px; font-size: 16px; font-family: inherit;
  border: 1px solid var(--border); border-radius: 8px;
  background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary); outline-offset: -1px; border-color: var(--primary);
}
textarea { resize: vertical; }
.row2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
.row2 input { min-width: 0; }
.check-row { display: flex; align-items: center; gap: 8px; }
.check-row input { width: auto; margin: 0; }
.day-preview {
  background: var(--primary-soft); color: var(--primary);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; font-weight: 600;
  margin: 0 0 12px;
}

.btn {
  font-family: inherit; font-size: 16px; cursor: pointer;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  border-radius: 8px; padding: 10px 16px;
}
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.danger { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.btn.full { width: 100%; padding: 13px; }
.btn.small { font-size: 13px; padding: 5px 12px; }
.btn:disabled { opacity: .55; }

/* ---------- balance cards ---------- */
.balance-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px;
}
.balance-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 6px; text-align: center;
}
.balance-card .b-name { font-size: 12px; color: var(--muted); }
.balance-card .b-num { font-size: 22px; font-weight: 700; color: var(--primary); margin: 2px 0; }
.balance-card .b-sub { font-size: 11px; color: var(--muted); }

/* ---------- รายการใบลา ---------- */
.list { display: flex; flex-direction: column; gap: 10px; }
.req-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.req-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.req-title { font-weight: 600; }
.req-meta { font-size: 14px; color: var(--muted); line-height: 1.6; }
.req-actions { display: flex; gap: 8px; margin-top: 10px; }
.req-actions .btn { flex: 1; }

.badge { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 99px; white-space: nowrap; }
.badge.pending { background: var(--warn-soft); color: var(--warn); }
.badge.approved { background: var(--primary-soft); color: var(--primary); }
.badge.rejected { background: var(--danger-soft); color: var(--danger); }
.badge.cancelled { background: #EEE; color: var(--muted); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* ---------- dashboard ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 8px; text-align: center; }
.stat-card .s-num { font-size: 24px; font-weight: 700; color: var(--primary); }
.stat-card .s-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

.usage-row { margin-bottom: 10px; }
.usage-label { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 4px; }
.usage-bar { background: var(--bg); border-radius: 99px; height: 10px; overflow: hidden; }
.usage-fill { background: var(--primary); height: 100%; border-radius: 99px; min-width: 2px; }

.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.cal-head h2 { margin: 0; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-dow { text-align: center; font-size: 11px; color: var(--muted); padding: 4px 0; }
.cal-cell {
  min-height: 52px; border: 1px solid var(--border); border-radius: 6px;
  padding: 2px 3px; font-size: 11px; overflow: hidden; background: #fff;
}
.cal-cell.off { background: var(--bg); border-color: transparent; }
.cal-cell.today { outline: 2px solid var(--primary); outline-offset: -2px; }
.cal-daynum { font-size: 11px; color: var(--muted); }
.cal-chip {
  display: block; background: var(--primary); color: #fff; border-radius: 4px;
  padding: 0 3px; margin-top: 2px; font-size: 10px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cal-chip.pending { background: var(--warn-soft); color: var(--warn); }
.small-note { font-size: 12px; margin: 8px 0 0; }

.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
td.num, th.num { text-align: center; }
td .low { color: var(--danger); font-weight: 600; }

/* ---------- toast / loading ---------- */
.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%);
  background: var(--text); color: #fff; padding: 12px 20px; border-radius: 99px;
  font-size: 14px; z-index: 100; max-width: 90vw; text-align: center;
  animation: toast-in .2s ease;
}
.toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

.loading {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(255,255,255,.6);
  display: flex; align-items: center; justify-content: center;
}
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 4px solid var(--primary-soft); border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- จอใหญ่ (PC) ---------- */
@media (min-width: 768px) {
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .cal-cell { min-height: 72px; font-size: 12px; }
  .cal-chip { font-size: 11px; }
}