/* ================================================================
   ລະບົບຝາກລົດ & ສາກໄຟ - ໂທນສີຟ້າ, mobile-first
   ================================================================ */
:root {
  --blue-900: #0b3a6f;
  --blue-800: #0f4c94;
  --blue-700: #1565c0;
  --blue-600: #1976d2;
  --blue-500: #2196f3;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --sky:      #f2f7fd;
  --amber:    #f59e0b;
  --green:    #16a34a;
  --red:      #dc2626;
  --ink:      #16324f;
  --muted:    #64748b;
  --line:     #dbe6f3;
  --card:     #ffffff;
  --radius:   14px;
  --shadow:   0 2px 10px rgba(15, 76, 148, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Noto Sans Lao Looped', sans-serif;
  background: var(--sky);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.65;
}

a { color: var(--blue-700); text-decoration: none; }
h1, h2, h3 { line-height: 1.4; }

/* ---------- ໂຄງສ້າງ ---------- */
.app { min-height: 100vh; }
.main { padding-bottom: 84px; } /* ບ່ອນວ່າງໃຫ້ bottom-nav */
.content { padding: 14px; max-width: 1100px; margin: 0 auto; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  color: #fff;
  box-shadow: var(--shadow);
}
.page-title { font-size: 18px; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.date-chip {
  background: rgba(255,255,255,.16); padding: 4px 12px; border-radius: 999px;
  font-size: 12.5px; white-space: nowrap;
}
.logout-mobile { color: #fff; font-size: 18px; }

/* ---------- sidebar (ຈໍໃຫຍ່ເທົ່ານັ້ນ) ---------- */
.sidebar { display: none; }

/* ---------- bottom nav (ໂທລະສັບ) ---------- */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
  display: flex;
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: 0 -2px 12px rgba(15,76,148,.10);
  padding-bottom: env(safe-area-inset-bottom);
}
.bottom-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 2px; padding: 9px 2px 7px; color: var(--muted); font-size: 11px;
}
.bottom-nav a i { font-size: 19px; }
.bottom-nav a.active { color: var(--blue-700); font-weight: 700; }

/* ---------- ບັດ / ກ໊ອງ ---------- */
.card {
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; margin-bottom: 14px;
}
.card h2 {
  font-size: 16px; font-weight: 700; color: var(--blue-800);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}

/* ---------- ສະຖິຕິໜ້າຫຼັກ ---------- */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.stat {
  background: #fff; border-radius: var(--radius); padding: 14px;
  box-shadow: var(--shadow); border-left: 5px solid var(--blue-600);
}
.stat .num { font-size: 21px; font-weight: 800; color: var(--blue-800); }
.stat .lbl { font-size: 12.5px; color: var(--muted); }
.stat.green { border-left-color: var(--green); }
.stat.amber { border-left-color: var(--amber); }
.stat.deep  { border-left-color: var(--blue-900); }

/* ---------- ປຸ່ມ ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; cursor: pointer; border-radius: 12px;
  font-family: inherit; font-size: 15px; font-weight: 700;
  padding: 12px 18px; transition: .15s;
  min-height: 46px; /* ແຕະງ່າຍໃນມືຖື */
}
.btn-primary { background: var(--blue-700); color: #fff; }
.btn-primary:hover { background: var(--blue-800); }
.btn-green { background: var(--green); color: #fff; }
.btn-outline { background: #fff; color: var(--blue-700); border: 1.5px solid var(--blue-600); }
.btn-light { background: var(--blue-50); color: var(--blue-800); }
.btn-sm { padding: 8px 12px; font-size: 13.5px; min-height: 38px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn:active { transform: scale(.98); }

.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---------- ຟອມ ---------- */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.field label {
  display: block; font-size: 13.5px; font-weight: 600;
  color: var(--blue-900); margin-bottom: 5px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 13px; font-family: inherit; font-size: 15px;
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff;
  color: var(--ink); min-height: 46px;
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px var(--blue-100);
}
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- ຕາຕະລາງ ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
.tbl th {
  text-align: left; background: var(--blue-50); color: var(--blue-900);
  padding: 10px 10px; font-size: 12.5px; white-space: nowrap;
  border-bottom: 2px solid var(--line);
}
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr:hover td { background: #f8fbff; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- ບັດລາຍການ (ມືຖື) ---------- */
.ticket-list { display: grid; gap: 10px; }
.ticket {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 13px 14px; border-left: 5px solid var(--blue-600);
}
.ticket.paid { border-left-color: var(--green); }
.ticket-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.ticket .plate { font-size: 16.5px; font-weight: 800; color: var(--blue-900); }
.ticket .meta { font-size: 13px; color: var(--muted); margin-top: 2px; }
.ticket-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

/* ---------- badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
  white-space: nowrap;
}
.badge-blue { background: var(--blue-100); color: var(--blue-800); }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-amber { background: #fef3c7; color: #b45309; }
.badge-gray { background: #e2e8f0; color: #475569; }

/* ---------- alert ---------- */
.alert {
  display: flex; gap: 10px; align-items: center;
  padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; font-weight: 600;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }

/* ---------- ສະຫຼຸບຈ່າຍເງິນ ---------- */
.pay-summary {
  background: var(--blue-50); border: 1.5px dashed var(--blue-500);
  border-radius: var(--radius); padding: 14px; margin-bottom: 14px;
}
.pay-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 14.5px; }
.pay-row.total { border-top: 1.5px solid var(--blue-500); margin-top: 6px; padding-top: 9px;
  font-size: 18px; font-weight: 800; color: var(--blue-900); }

.pay-methods { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.pay-methods input { display: none; }
.pay-methods label {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border: 1.5px solid var(--line); border-radius: 12px; padding: 11px 6px;
  cursor: pointer; font-size: 13px; font-weight: 700; color: var(--muted); background: #fff;
}
.pay-methods label i { font-size: 19px; }
.pay-methods input:checked + label {
  border-color: var(--blue-600); background: var(--blue-50); color: var(--blue-800);
}

/* ---------- ຈຸດສາກໄຟ ---------- */
.points { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.point {
  border-radius: var(--radius); padding: 13px; text-align: center;
  background: #fff; box-shadow: var(--shadow); border-top: 4px solid var(--green);
}
.point.busy { border-top-color: var(--amber); }
.point.off { border-top-color: #94a3b8; opacity: .65; }
.point i { font-size: 22px; color: var(--blue-700); }
.point .pname { font-weight: 800; margin-top: 4px; }
.point .pstat { font-size: 12px; color: var(--muted); }

/* ---------- filter bar ---------- */
.filter-bar { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 14px; }

/* ---------- login ---------- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--blue-900), var(--blue-600));
  padding: 20px;
}
.login-card {
  background: #fff; width: 100%; max-width: 400px;
  border-radius: 18px; padding: 28px 24px; box-shadow: 0 18px 50px rgba(0,0,0,.28);
}
.login-card .logo {
  width: 66px; height: 66px; margin: 0 auto 12px; border-radius: 18px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 30px;
}
.login-card h1 { text-align: center; font-size: 19px; color: var(--blue-900); }
.login-card p.sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 18px; }

/* ---------- summary boxes ການເງິນ ---------- */
.money-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.money-box { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; }
.money-box .t { font-size: 12.5px; color: var(--muted); }
.money-box .v { font-size: 18px; font-weight: 800; color: var(--blue-800); }
.money-box.green .v { color: var(--green); }
.money-box.amber .v { color: var(--amber); }

.section-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }

/* ================= ຈໍໃຫຍ່ ================= */
@media (min-width: 900px) {
  .app { display: grid; grid-template-columns: 240px 1fr; transition: grid-template-columns .18s ease; }
  .main { padding-bottom: 20px; }
  .bottom-nav { display: none; }
  .logout-mobile { display: none; }

  .sidebar {
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, var(--blue-900), var(--blue-700));
    color: #fff;
    position: sticky;
    top: 0;
    align-self: start;   /* ບໍ່ໃຫ້ຢືດຕາມຄວາມສູງເນື້ອຫາ ບໍ່ດັ່ງນັ້ນ sticky ຈະບໍ່ເຮັດວຽກ */
    height: 100vh;       /* ສູງເທົ່າໜ້າຈໍພໍດີ */
    overflow-y: auto;    /* ຖ້າເມນູຫຼາຍຈົນລົ້ນ ໃຫ້ເລື່ອນສະເພາະໃນ sidebar */
    scrollbar-width: thin;
  }
  .brand { display: flex; gap: 10px; align-items: center; padding: 20px 18px; }
  .brand-icon {
    width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.15);
    display: flex; align-items: center; justify-content: center; font-size: 20px;
  }
  .brand-text { display: flex; flex-direction: column; line-height: 1.35; }
  .brand-text span { font-size: 12px; opacity: .75; }
  .nav { display: flex; flex-direction: column; gap: 4px; padding: 10px 12px; flex: 1; }
  .nav a {
    color: rgba(255,255,255,.82); padding: 11px 13px; border-radius: 11px;
    display: flex; align-items: center; gap: 11px; font-weight: 600; font-size: 14.5px;
  }
  .nav a i { width: 20px; text-align: center; }
  .nav a:hover { background: rgba(255,255,255,.10); color: #fff; }
  .nav a.active { background: #fff; color: var(--blue-800); }
  .sidebar-footer { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.15); }
  .user-chip { font-size: 13.5px; margin-bottom: 8px; opacity: .9; display: flex; align-items: center; gap: 7px; }
  .logout { color: #ffd7d7; font-size: 13.5px; }

  .content { padding: 22px 26px; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .full { grid-column: 1 / -1; }
  .quick-actions { grid-template-columns: repeat(4, 1fr); }
  .filter-bar { grid-template-columns: repeat(4, 1fr) auto; align-items: end; }
  .money-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- ສິດຜູ້ໃຊ້ (2 ຊັ້ນ) ---------- */
.perm-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; flex-wrap: wrap; margin: 16px 0 10px;
  padding-top: 14px; border-top: 1px solid var(--line);
}
.perm-head h3 { font-size: 15px; color: var(--blue-800); display: flex; align-items: center; gap: 8px; }
.perm-head-actions { display: flex; gap: 8px; }

.perm-groups { display: grid; grid-template-columns: 1fr; gap: 10px; }
.perm-group { border: 1.5px solid var(--line); border-radius: 13px; overflow: hidden; background: #fff; }
.perm-group.on { border-color: var(--blue-500); }
.perm-group-head {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 11px 13px; background: #f6faff; font-weight: 700; color: var(--blue-900);
  border-bottom: 1px solid var(--line);
}
.perm-group.on .perm-group-head { background: var(--blue-50); }
.perm-group-head input { width: 19px; height: 19px; accent-color: var(--blue-700); flex: none; }
.perm-group-head i { color: var(--blue-700); width: 20px; text-align: center; }
.perm-group-head .pg-name { flex: 1; }
.perm-count {
  font-size: 12px; font-weight: 700; color: var(--muted);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px;
}
.perm-group.on .perm-count { color: var(--blue-800); border-color: var(--blue-500); }

.perm-actions { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 6px; }
.perm-action {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 9px 10px; border-radius: 9px; font-size: 14px; color: var(--ink);
}
.perm-action:hover { background: #f6faff; }
.perm-action input { width: 18px; height: 18px; accent-color: var(--blue-700); flex: none; }
.perm-action:has(input:checked) { color: var(--blue-800); font-weight: 600; }

@media (min-width: 700px) {
  .perm-groups { grid-template-columns: 1fr 1fr; }
  .perm-actions { grid-template-columns: 1fr; }
}
@media (min-width: 1000px) { .perm-groups { grid-template-columns: repeat(3, 1fr); } }

/* ---------- ຕາຕະລາງຜູ້ໃຊ້ ---------- */
.tbl-users { min-width: 900px; }
.tbl-users th .th-sm { font-size: 10.5px; font-weight: 600; }
.tbl-users th i { font-size: 14px; }
.tbl-users tr.me td { background: #f2f8ff; }
.pcell {
  display: inline-block; min-width: 40px; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 700; cursor: help;
}
.pcell.p-full { background: #dcfce7; color: #15803d; }
.pcell.p-part { background: #fef3c7; color: #b45309; }
.pcell.p-no   { background: #f1f5f9; color: #94a3b8; }
.btn-danger { background: #fee2e2; color: #991b1b; }

/* ---------- ຮູບຫຼັກຖານໂອນ ---------- */
.slip-preview { max-width: 220px; border-radius: 10px; border: 1.5px solid var(--line); display: block; margin-top: 8px; }
.slip-link { font-size: 12.5px; }

/* ---------- ປຸ່ມ export ---------- */
.export-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 0; border-bottom: 1px solid var(--line); }
.export-row:last-child { border-bottom: 0; }
.export-row .lbl { flex: 1; font-weight: 700; color: var(--blue-900); min-width: 140px; }
.btn-pdf { background: #fee2e2; color: #b91c1c; }
.btn-xls { background: #dcfce7; color: #15803d; }

/* ---------- ສະຫຼັບ ຕາຕະລາງ (ຄອມ) / ບັດ (ໂທລະສັບ) ---------- */
.only-desktop { display: none; }
.only-mobile  { display: grid; }
@media (min-width: 900px) {
  .only-desktop { display: block; }
  .only-mobile  { display: none; }
}

/* ---------- ປຸ່ມຫຍໍ້ແຖບເມນູຂ້າງ ---------- */
.sb-toggle { display: none; }

@media (min-width: 900px) {
  .sb-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; flex: none; margin-left: auto;
    border: 0; border-radius: 9px; cursor: pointer;
    background: rgba(255,255,255,.14); color: #fff; font-size: 13px;
    transition: background .15s;
  }
  .sb-toggle:hover { background: rgba(255,255,255,.28); }

  /* ---- ສະຖານະຫຍໍ້: ສະແດງແຕ່ໄອຄອນ ---- */
  .app.collapsed { grid-template-columns: 74px 1fr; }
  .app.collapsed .brand { flex-direction: column; gap: 8px; padding: 16px 10px; }
  .app.collapsed .brand-text { display: none; }
  .app.collapsed .sb-toggle { margin-left: 0; }
  .app.collapsed .sb-toggle i { transform: rotate(180deg); }

  .app.collapsed .nav { padding: 10px 8px; }
  .app.collapsed .nav a { justify-content: center; padding: 12px 0; gap: 0; }
  .app.collapsed .nav-text { display: none; }

  .app.collapsed .sidebar-footer { padding: 12px 8px; text-align: center; }
  .app.collapsed .user-chip { justify-content: center; margin-bottom: 10px; font-size: 20px; }
  .app.collapsed .logout { display: block; font-size: 18px; }
}