:root {
  --cyan: #1EC0E8;
  --cyan-d: #1FA3C4;
  --dark: #12303A;
  --dark-2: #1b4250;
  --gold: #E8B64C;
  --silver: #C9D3D8;
  --bg: #F3F7F9;
  --card: #FFFFFF;
  --text: #12303A;
  --muted: #5d7680;
  --line: #dde7eb;
  --ok: #18a058;
  --warn: #d98e04;
  --bad: #d64545;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(18,48,58,.06), 0 4px 16px rgba(18,48,58,.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Poppins, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--cyan-d); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------- Shell ---------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; height: 58px; z-index: 30;
  display: flex; align-items: center; gap: 12px; padding: 0 16px;
  background: var(--dark); color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 34px; }
.brand b { color: var(--cyan); font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who small { display: block; font-size: 11px; color: #9fc3cf; line-height: 1; }
.who { text-align: right; line-height: 1.2; }
.menu-btn { display: none; background: none; border: 0; color: #fff; font-size: 22px; cursor: pointer; padding: 4px; }
.sidebar {
  position: fixed; top: 58px; bottom: 0; left: 0; width: 220px; z-index: 20;
  background: #fff; border-right: 1px solid var(--line); padding: 12px 10px; overflow-y: auto;
}
.sidebar a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px;
  color: var(--text); font-weight: 500; margin-bottom: 2px;
}
.sidebar a:hover { background: var(--bg); text-decoration: none; }
.sidebar a.active { background: var(--dark); color: #fff; }
.sidebar a.active .ico { color: var(--cyan); }
.ico { width: 20px; text-align: center; color: var(--cyan-d); }
.main { margin: 58px 0 0 220px; padding: 24px; max-width: 1280px; }
.main-plain { margin: 0 auto; max-width: 440px; padding: 48px 16px; }
.nav-scrim { display: none; }

@media (max-width: 900px) {
  .menu-btn { display: block; }
  .sidebar { transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .nav-scrim { display: block; position: fixed; inset: 58px 0 0 0; background: rgba(0,0,0,.3); z-index: 15; }
  .main { margin-left: 0; padding: 16px; }
  .who { display: none; }
}

/* ---------- Building blocks ---------- */
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin-bottom: 18px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; margin-bottom: 18px; border: 1px solid var(--line);
}
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.grid > .card { margin-bottom: 0; }

.stat { padding: 16px 18px; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 26px; font-weight: 700; line-height: 1.3; }
.stat .sub { font-size: 12px; color: var(--muted); }
.stat.accent { background: var(--dark); color: #fff; border-color: var(--dark); }
.stat.accent .label, .stat.accent .sub { color: #9fc3cf; }
.stat.accent .value { color: var(--cyan); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 10px; border: 1px solid transparent;
  background: var(--cyan); color: var(--dark); font: inherit; font-weight: 600; cursor: pointer;
  text-decoration: none !important; white-space: nowrap;
}
.btn:hover { filter: brightness(.95); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-ghost { background: transparent; border-color: currentColor; color: inherit; }
.btn-light { background: #fff; border-color: var(--line); color: var(--text); }
.btn-danger { background: var(--bad); color: #fff; }
.btn-ok { background: var(--ok); color: #fff; }
.btn-wa { background: #25D366; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 22px; font-size: 16px; }
.btn-block { width: 100%; }

label { display: block; font-weight: 500; margin-bottom: 4px; font-size: 13px; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=email], input[type=tel], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cyan); outline-offset: -1px; border-color: var(--cyan); }
textarea { min-height: 70px; resize: vertical; }
.field { margin-bottom: 14px; }
.form-row { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0,1fr)); }
.form-row-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 640px) { .form-row, .form-row-3 { grid-template-columns: 1fr; } }
.hint { font-size: 12px; color: var(--muted); margin-top: 3px; }

.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 500; }
.alert-ok { background: #e3f6ec; color: #0f6b3b; }
.alert-err { background: #fde8e8; color: #9b1c1c; }
.alert-warn { background: #fff4dc; color: #8a5a00; }
.alert-info { background: #e2f6fc; color: #0c5d73; }

table.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tfoot td { font-weight: 700; border-top: 2px solid var(--line); }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--bg); color: var(--text); }
.plan-basic { background: linear-gradient(135deg, #eef2f4, #c9d3d8); color: #3a4c54; }
.plan-standard { background: var(--cyan); color: var(--dark); }
.plan-premium { background: var(--dark); color: var(--gold); }
.st-ok { background: #e3f6ec; color: #0f6b3b; }
.st-warn { background: #fff4dc; color: #8a5a00; }
.st-bad { background: #fde8e8; color: #9b1c1c; }
.st-info { background: #e2f6fc; color: #0c5d73; }

.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--line); flex: none; }
.avatar-lg { width: 110px; height: 135px; border-radius: 12px; object-fit: cover; background: var(--line); }
.person { display: flex; align-items: center; gap: 10px; }
.person .nm { font-weight: 600; display: block; line-height: 1.3; }
.person .id { display: block; }
a.person:hover { text-decoration: none; }
a.person:hover .nm { text-decoration: underline; }
.person .id { font-size: 12px; color: var(--muted); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; align-items: flex-end; }
.toolbar .grow { flex: 1 1 220px; }
.empty { text-align: center; color: var(--muted); padding: 28px 10px; }

.bar { height: 10px; background: var(--bg); border-radius: 99px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--cyan); border-radius: 99px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 90px; gap: 10px; align-items: center; margin-bottom: 10px; }

.mf-grid { grid-template-columns: 150px 1fr; align-items: start; }
@media (max-width: 640px) { .mf-grid { grid-template-columns: 1fr; } }

/* ---------- Plan picker ---------- */
.plan-pick { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
@media (max-width: 640px) { .plan-pick { grid-template-columns: 1fr; } }
.plan-pick label { margin: 0; cursor: pointer; }
.plan-pick input { position: absolute; opacity: 0; pointer-events: none; }
.plan-opt { border: 2px solid var(--line); border-radius: 12px; padding: 12px 14px; height: 100%; }
.plan-opt .pn { font-weight: 700; font-size: 15px; }
.plan-pick input:checked + .plan-opt { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(30,192,232,.2); }
.plan-pick input:focus-visible + .plan-opt { outline: 2px solid var(--dark); }
.dur-pick { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; }
@media (max-width: 640px) { .dur-pick { grid-template-columns: 1fr 1fr; } }
.dur-pick label { margin: 0; cursor: pointer; }
.dur-pick input { position: absolute; opacity: 0; pointer-events: none; }
.dur-opt { border: 2px solid var(--line); border-radius: 10px; padding: 10px; text-align: center; }
.dur-opt b { display: block; font-size: 16px; }
.dur-pick input:checked + .dur-opt { border-color: var(--cyan); background: #effbfe; }
.summary { background: var(--dark); color: #fff; border-radius: 12px; padding: 16px; }
.summary .row { display: flex; justify-content: space-between; padding: 4px 0; }
.summary .total { border-top: 1px solid var(--dark-2); margin-top: 6px; padding-top: 10px; font-size: 20px; font-weight: 700; color: var(--cyan); }

/* ---------- Desk map ---------- */
.desk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; }
.desk {
  border-radius: 12px; padding: 10px; min-height: 92px; border: 2px solid var(--line); background: #fff;
  display: flex; flex-direction: column; gap: 2px;
}
.desk .no { font-weight: 700; font-size: 18px; }
.desk .dname { font-size: 12px; font-weight: 600; text-align: left; display: block; }
.desk .meta { font-size: 11px; color: var(--muted); }
.desk.free { border-color: #bfe8d0; background: #f3fbf6; }
.desk.free .no { color: var(--ok); }
.desk.busy { border-color: var(--dark); background: var(--dark); color: #fff; }
.desk.busy .meta { color: #9fc3cf; }
.desk.busy .no { color: var(--cyan); }
.desk.reserved { border-color: var(--gold); background: #fff9ec; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; margin-bottom: 14px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Check-in ---------- */
.scan-box { max-width: 560px; }
.scan-input { font-size: 22px !important; padding: 14px 16px !important; text-transform: uppercase; letter-spacing: .05em; }
#qr-reader { max-width: 420px; margin-top: 12px; border-radius: 12px; overflow: hidden; }
.result-card { display: flex; gap: 16px; align-items: flex-start; }
@media (max-width: 520px) { .result-card { flex-direction: column; } }

/* ---------- Login ---------- */
.login-card { text-align: center; }
.login-card img { width: 64px; height: 78px; }
.login-card form { text-align: left; margin-top: 18px; }

/* ---------- Print helpers ---------- */
.print-only { display: none; }
@media print {
  .topbar, .sidebar, .no-print, .alert { display: none !important; }
  .main { margin: 0; padding: 0; max-width: none; }
  body { background: #fff; }
  .print-only { display: block; }
  .card { box-shadow: none; border: 0; }
}