/* PIE — Retro Carphone-Warehouse-style retail TUI
   Palette tuned to the reference photo IMG_1747.png */
:root {
  --bg:        #0a39c4;   /* royal blue background            */
  --bg-deep:   #06257e;   /* deeper blue (window bodies)      */
  --turquoise: #2fe6e6;   /* labels, borders, grid text       */
  --turquoise-dim: #1aa9a9;
  --yellow:    #f6e000;   /* active inputs, title bars, values */
  --text:      #dbecff;   /* general light text               */
  --select-bg: #0a63e6;   /* grid selection band              */
  --dark:      #002;
  --dark-on-yellow: #06257e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Cascadia Mono", Consolas, "DejaVu Sans Mono", "Courier New", monospace;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: none;
  text-rendering: optimizeSpeed;
  overflow: hidden;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---------- Menu bar ---------- */
.menubar {
  display: flex;
  gap: 0;
  background: var(--bg-deep);
  border-bottom: 2px solid var(--turquoise);
  padding: 2px 6px;
  flex: 0 0 auto;
  position: relative;
  z-index: 1000;
}
/* Menu bar and F-key legend are hidden until a consultant logs on. */
#app.logged-out .menubar,
#app.logged-out .fkeybar { display: none; }

.menu { position: relative; }
.menu-label {
  display: inline-block;
  padding: 2px 14px;
  color: var(--turquoise);
  white-space: nowrap;
}
.menu.active > .menu-label {
  background: var(--yellow);
  color: var(--dark-on-yellow);
  font-weight: bold;
}
.menu-drop {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-deep);
  border: 2px solid var(--turquoise);
  z-index: 1001;
  padding: 2px 0;
}
.menu-item {
  padding: 1px 16px;
  color: var(--turquoise);
  white-space: nowrap;
}
.menu-item.selected {
  background: var(--select-bg);
  color: #fff;
}

/* ---------- Screen stack ---------- */
.screen-stack {
  position: relative;
  flex: 1 1 auto;
  overflow: hidden;
}
.desktop-banner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--turquoise-dim);
  letter-spacing: 2px;
}
.desktop-title { font-size: 28px; color: var(--turquoise); margin-bottom: 12px; }
.desktop-banner .hint { color: var(--text); letter-spacing: 0; }
.desktop-banner b { color: var(--yellow); }

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  pointer-events: none;
}
.screen.behind { filter: brightness(0.62) saturate(0.85); }

.screen-window {
  pointer-events: auto;
  margin-top: calc(18px + (var(--depth, 1) - 1) * 26px);
  margin-left: calc((var(--depth, 1) - 1) * 34px);
  min-width: 540px;
  max-width: min(90vw, 880px);
  max-height: calc(100vh - 160px);
  background: var(--bg);
  border: 2px solid var(--turquoise);
  box-shadow: 0 0 0 1px var(--bg-deep), 6px 6px 0 0 rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
}
.screen-title {
  text-align: center;
  background: var(--yellow);
  color: var(--dark-on-yellow);
  font-weight: bold;
  padding: 1px 8px;
  letter-spacing: 1px;
  flex: 0 0 auto;
}
.screen-body {
  padding: 14px 18px;
  overflow: auto;
  flex: 1 1 auto;
}
.screen-footer {
  flex: 0 0 auto;
  border-top: 1px solid var(--turquoise-dim);
  padding: 3px 12px;
  color: var(--yellow);
  min-height: 1.5em;
  white-space: pre;
}
.screen-footer .keys { color: var(--turquoise); }

/* ---------- Fields ---------- */
.field-row {
  display: flex;
  align-items: center;
  margin: 4px 0;
}
.field-label {
  flex: 0 0 auto;
  width: 22ch;
  color: var(--turquoise);
}
.field-input {
  flex: 1 1 auto;
  max-width: 40ch;
  background: var(--turquoise);
  color: var(--dark-on-yellow);
  border: none;
  outline: none;
  padding: 0 6px;
  font: inherit;
  caret-color: var(--dark-on-yellow);
}
.field-row.focused .field-input {
  background: var(--yellow);
  color: var(--dark-on-yellow);
  box-shadow: 0 0 0 2px #fff inset;
}
.field-row.static .field-value {
  color: var(--text);
  padding: 0 6px;
}
.field-hint { color: var(--turquoise-dim); margin: 2px 0 10px 22ch; }

/* ---------- Grid ---------- */
.grid {
  border: 1px solid var(--turquoise-dim);
  margin: 8px 0;
}
.grid.focused { border-color: var(--yellow); }
.grid-head {
  display: flex;
  background: var(--bg-deep);
  color: var(--turquoise);
  border-bottom: 1px solid var(--turquoise-dim);
  padding: 0 6px;
  font-weight: bold;
}
.grid-body {
  max-height: 46vh;
  overflow: auto;
}
.grid-row {
  display: flex;
  padding: 0 6px;
  color: var(--turquoise);
  white-space: pre;
}
.grid-row.selected {
  background: var(--select-bg);
  color: #fff;
}
.grid-cell {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  padding-right: 1ch;
}
.grid-empty { padding: 6px; color: var(--turquoise-dim); }

.section-title {
  color: var(--yellow);
  margin: 6px 0 4px;
}
.help-text { white-space: pre-wrap; color: var(--text); }
.help-text b { color: var(--yellow); }

/* ---------- Status bar ---------- */
.statusbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-deep);
  border-top: 2px solid var(--turquoise);
  padding: 2px 10px;
}
.status-user { color: var(--turquoise); font-weight: bold; }
.status-store { color: var(--turquoise-dim); }
.status-msg { flex: 1 1 auto; color: var(--text); }
.status-value { color: var(--yellow); }
.status-online { color: var(--pass, #46e08a); font-weight: bold; }
.status-clock { color: var(--turquoise); min-width: 9ch; text-align: right; }

/* ---------- Function-key legend bar ---------- */
.fkeybar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  background: #001a66;
  border-top: 1px solid var(--turquoise-dim);
  padding: 2px 10px;
  color: var(--turquoise);
}
.fkey { white-space: nowrap; }
.fkey b { color: var(--yellow); }

/* ---------- Login & completion ---------- */
.desktop-sub { color: var(--turquoise); letter-spacing: 1px; margin-bottom: 14px; }
.logon-banner {
  text-align: center;
  color: var(--yellow);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.complete-banner {
  text-align: center;
  background: var(--pass, #1f9e5e);
  color: #001a33;
  font-weight: bold;
  letter-spacing: 2px;
  padding: 2px 8px;
  margin-bottom: 10px;
}
/* On the completion screen, highlight the recorded values in yellow. */
.screen-window.complete .field-value { color: var(--yellow); }

/* Credit / status semantic colours (alongside the blue/turquoise/yellow theme) */
:root {
  --pass: #46e08a;
  --refer: var(--yellow);
  --decline: #ff5a5a;
}

/* ---------- Cash drawer ---------- */
.drawer {
  color: var(--yellow);
  letter-spacing: 1px;
  margin-top: 8px;
}

/* ---------- Card terminal (small white PDQ window) ---------- */
.screen-window.terminal {
  min-width: 360px;
  max-width: 420px;
  background: #f4f4ec;
  border-color: #9a9a8e;
  color: #111;
  box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.45);
}
.screen-window.terminal .screen-title {
  background: #cfcfc4;
  color: #111;
}
.screen-window.terminal .screen-footer {
  border-top-color: #b8b8ac;
  color: #333;
}
.screen-window.terminal .screen-footer .keys { color: #006; }
.term {
  font-family: inherit;
  text-align: center;
  padding: 22px 10px;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.term-line { color: #222; }
.term-amount { font-size: 22px; font-weight: bold; color: #000; }
.term-pin { font-size: 22px; letter-spacing: 6px; color: #000; min-height: 1.4em; }
.term-approved {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 2px;
  color: #0a7a3c;
}
.term-declined {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 2px;
  color: #c01919;
}

/* ---------- On-screen documents & signature ---------- */
.doc-scroll {
  max-height: 50vh;
  overflow: auto;
  margin-bottom: 10px;
}
.paper {
  background: #fff;
  color: #111;
  padding: 16px 20px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  line-height: 1.45;
}
.paper .inv-brand, .paper .doc-brand { font-size: 18px; font-weight: bold; letter-spacing: 1px; }
.paper .inv-branch { font-size: 13px; margin-bottom: 6px; }
.paper .inv-cols { display: flex; gap: 16px; margin: 10px 0; }
.paper .inv-cols > div { flex: 1; }
.paper .inv-h, .paper .doc-sub { font-weight: bold; border-bottom: 1px solid #000; margin-bottom: 4px; }
.paper .inv-tbl { width: 100%; border-collapse: collapse; margin: 10px 0; }
.paper .inv-tbl th, .paper .inv-tbl td { border: 1px solid #999; padding: 4px 6px; text-align: left; }
.paper .muted { color: #555; font-size: 11px; }
.paper .inv-pay, .paper .inv-totals, .paper .inv-vat { margin-top: 8px; }
.paper .inv-grand { margin-top: 6px; font-weight: bold; }
.paper .inv-foot { color: #444; border-top: 1px solid #ccc; margin-top: 10px; padding-top: 8px; }
.paper .doc-kv { border-collapse: collapse; margin: 10px 0; }
.paper .doc-kv td { padding: 3px 12px 3px 0; vertical-align: top; }
.paper .doc-kv td:first-child { color: #555; width: 150px; }
.paper .doc-terms { color: #333; max-width: 640px; }

.sign-area { background: var(--bg-deep); padding: 8px 10px; }
.sign-label { color: var(--turquoise); margin-bottom: 6px; }
.sigpad {
  background: #fff;
  border: 2px solid var(--turquoise);
  border-radius: 2px;
  cursor: crosshair;
  touch-action: none;
  display: block;
}