:root {
  --paper: #eef1f4;
  --card: #ffffff;
  --ink: #16202b;
  --muted: #5d6b7a;
  --rule: #d4dce3;
  --deep: #0b4f4a;
  --exit: #2c4a6b;
  --alert: #96162f;
}

* { box-sizing: border-box; }

/* Author display rules beat the browser's [hidden] { display: none }, and several
   elements here are toggled with that attribute. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3 { letter-spacing: -0.015em; font-weight: 620; }
h2 { font-size: 20px; margin: 0; }
h3 { font-size: 18px; margin: 0 0 14px; }

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.primary {
  padding: 9px 16px;
  border: 1px solid var(--deep);
  border-radius: 3px;
  background: var(--deep);
  color: #fff;
  font-weight: 600;
}
.ghost {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
}
.danger { color: var(--alert); border-color: #e3bcc4; }
.link {
  border: none;
  background: none;
  color: #d7e4e1;
  text-decoration: underline;
  text-underline-offset: 3px;
}

:focus-visible { outline: 3px solid var(--deep); outline-offset: 2px; }

/* -------------------------------------------------------------- chrome */

.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  padding: 12px 22px;
  background: var(--deep);
  color: #eef5f3;
}
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; margin-right: auto; }
.tab {
  padding: 8px 14px;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: #cfe0dd;
}
.tab.on { background: rgba(255, 255, 255, 0.14); color: #fff; font-weight: 600; }

main { max-width: 1100px; margin: 0 auto; padding: 26px 22px 60px; }

.panel { display: none; }
.panel.on { display: block; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.stat {
  font-size: 40px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  margin: 0 0 6px;
  color: var(--deep);
}

.hint { color: var(--muted); font-size: 14px; max-width: 70ch; }

/* -------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; background: var(--card); font-size: 14.5px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
th { font-weight: 600; color: var(--muted); font-size: 13.5px; }
tbody tr:last-child td { border-bottom: none; }
td.actions { text-align: right; white-space: nowrap; }
td.actions button { margin-left: 6px; padding: 6px 11px; font-size: 13.5px; }
.mono { font-variant-numeric: tabular-nums; }
.thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 3px; display: block; }
.empty { padding: 26px; background: var(--card); color: var(--muted); }

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 2px;
  font-size: 12.5px;
  background: #e6efed;
  color: var(--deep);
}
.pill.off { background: #eceff2; color: var(--muted); }
.pill.out { background: #e7edf4; color: var(--exit); }

/* ------------------------------------------------------------- filters */

.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}
.filters label { display: block; }
.filters .grow { flex: 1 1 240px; }
.filters span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.filters input { width: 100%; padding: 9px 11px; border: 1px solid var(--rule); border-radius: 3px; }

/* -------------------------------------------------------------- import */

.import {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.import summary { cursor: pointer; font-weight: 600; }
.import textarea {
  width: 100%;
  margin: 12px 0;
  padding: 10px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
}
.import input[type="file"] { margin-top: 12px; }
.inline { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 14px; }

/* --------------------------------------------------------------- modal */

dialog {
  border: none;
  border-radius: 3px;
  padding: 24px;
  width: min(520px, calc(100vw - 32px));
  border-top: 5px solid var(--deep);
}
dialog::backdrop { background: rgba(22, 32, 43, 0.45); }
.modal-field { margin-bottom: 14px; }
.modal-field span { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 5px; }
.modal-field input, .modal-field select, .modal-field textarea {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.pin-reveal {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
  margin: 6px 0 16px;
}

/* -------------------------------------------------------------- system */

#system-body { background: var(--card); padding: 20px; border-radius: 3px; }
#system-body dl { display: grid; grid-template-columns: minmax(150px, 30%) 1fr; gap: 8px 16px; margin: 0 0 22px; }
#system-body dt { color: var(--muted); }
#system-body dd { margin: 0; }
.sys-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* --------------------------------------------------------------- toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  margin: 0;
  padding: 13px 18px;
  border-left: 5px solid var(--deep);
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(22, 32, 43, 0.18);
  max-width: min(560px, calc(100% - 32px));
}
.toast.bad { border-left-color: var(--alert); }

.foot { padding: 0 22px 26px; color: var(--muted); font-size: 12.5px; text-align: center; }

/* ----------------------------------------------------- site switching */

.site-switch { display: flex; align-items: center; gap: 8px; color: #cfe0dd; font-size: 14px; }
.site-switch select {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.site-switch select option { color: var(--ink); }

.badge-count {
  display: inline-block;
  min-width: 20px;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--alert);
  color: #fff;
  font-size: 12px;
  text-align: center;
}

/* ------------------------------------------------------ banner, cards */

.banner {
  margin: 0;
  padding: 12px 22px;
  background: #fdf3d8;
  border-bottom: 1px solid #e6d5a4;
  font-size: 14.5px;
}
.banner.bad { background: #fbeaed; border-bottom-color: #e8c3cb; }

.notice {
  padding: 12px 14px;
  margin: 0 0 16px;
  background: #fdf3d8;
  border-left: 4px solid #d9a441;
  font-size: 14.5px;
}

.card {
  background: var(--card);
  border-radius: 3px;
  padding: 18px 20px;
  margin-bottom: 14px;
}
.site-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.site-head h3 { margin: 0 0 4px; }
.site-head .hint { margin: 0; }
.site-meta { display: grid; grid-template-columns: minmax(130px, 24%) 1fr; gap: 6px 16px; margin: 14px 0 0; font-size: 14.5px; }
.site-meta dt { color: var(--muted); }
.site-meta dd { margin: 0; }

.section-gap { margin-top: 34px; }
#account-body { background: var(--card); padding: 20px; border-radius: 3px; }
#account-body dl { display: grid; grid-template-columns: minmax(150px, 30%) 1fr; gap: 8px 16px; margin: 0 0 22px; }
#account-body dt { color: var(--muted); }
#account-body dd { margin: 0; }

td small { display: block; color: var(--muted); font-size: 13px; }
tr.row-warn td { background: #fdf8ec; }
tr.row-bad td { background: #fdf0f2; }

.pill.warn { background: #f7e7c4; color: #7a5308; }
.pill.bad { background: #f6d5db; color: var(--alert); }

.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-section { margin: 20px 0 12px; font-size: 15px; }
.pin-reveal.small { font-size: 24px; letter-spacing: 0.06em; word-break: break-all; }
#modal img { display: block; margin: 0 auto 12px; border: 1px solid var(--rule); }

.fingerprint {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
}
#system-body h3 { margin-bottom: 14px; }

/* ------------------------------------------------- visitor photo editor */

.photo-editor { margin-bottom: 6px; }

.photo-frame {
  position: relative;
  width: 152px;
  /* Square, to match the kiosk camera and the frame printed on the badge. */
  aspect-ratio: 1 / 1;
  margin-bottom: 12px;
  background: #eef1f4;
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.photo-frame img,
.photo-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo-frame video { transform: scaleX(-1); }
.photo-empty { margin: 0; padding: 0 10px; color: var(--muted); font-size: 13px; text-align: center; }

.photo-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.photo-actions button, .photo-upload { padding: 8px 13px; font-size: 14px; }
.photo-upload { cursor: pointer; }

.thumb-empty {
  width: 42px;
  height: 42px;
  border-radius: 3px;
  background: repeating-linear-gradient(45deg, #eef1f4, #eef1f4 5px, #e3e8ed 5px, #e3e8ed 10px);
  display: block;
}

.hint.warn {
  padding: 9px 11px;
  border-left: 4px solid #d9a441;
  background: #fdf3d8;
  color: var(--ink);
}

.plain-list { margin: 0 0 14px; padding-left: 20px; font-size: 14.5px; }
.plain-list li { margin-bottom: 5px; }

/* The confirmation for a destructive action should not look like a Save. */
#modal.destructive { border-top-color: var(--alert); }
#modal.destructive .primary { border-color: var(--alert); background: var(--alert); }

/* ----------------------------------------------------- branding editor */

.banner-frame {
  /* A checkerboard, so a transparent PNG reads as transparent rather than white. */
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #e3e8ed 25%, transparent 25%, transparent 75%, #e3e8ed 75%),
    linear-gradient(45deg, #e3e8ed 25%, transparent 25%, transparent 75%, #e3e8ed 75%);
  background-size: 14px 14px;
  background-position: 0 0, 7px 7px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 10px;
  margin-bottom: 12px;
  min-height: 76px;
  display: grid;
  place-items: center;
}
.banner-frame img { max-width: 100%; max-height: 90px; display: block; }
.banner-empty { margin: 0; color: var(--muted); font-size: 13px; }

.colour-row { display: flex; gap: 8px; align-items: center; }
.colour-row input[type="color"] {
  width: 42px;
  height: 40px;
  padding: 2px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: none;
  cursor: pointer;
}
.colour-row input[type="text"] {
  flex: 1 1 auto;
  min-width: 0;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
}
.modal-row-3 { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid var(--rule);
  vertical-align: -2px;
  margin-right: 2px;
}

pre.raw {
  margin: 0 0 14px;
  padding: 12px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow: auto;
}