/* Design language: warm "coffee & paper" — matches the approved reference mock. */
:root {
  --ink: #241C14;
  --paper: #EFE8D8;
  --paper-deep: #E4DAC3;
  --coffee: #4A2E1F;
  --coffee-light: #7A5A44;
  --sage: #6E8B5C;
  --sage-deep: #4F6B41;
  --rust: #A84B32;

  --border-faint: #7A5A442A;   /* coffee-light @ ~16% */
  --border-soft: #7A5A4440;    /* coffee-light @ ~25% */
  --border-medium: #7A5A4455;  /* coffee-light @ ~33% */
  --border-strong: #7A5A4488;  /* coffee-light @ ~53% */
  --sage-bg: #6E8B5C26;        /* sage @ ~15% */
  --rust-bg: #A84B3220;        /* rust @ ~13% */

  --font-display: "Space Grotesk", "IBM Plex Mono", monospace;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper-deep);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }

a { color: var(--coffee); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: var(--paper);
  border-bottom: 1px solid var(--border-faint);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-row { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.topbar .brand { display: flex; align-items: center; }
.topbar .brand img { display: block; height: 30px; width: auto; }

.topbar-menu { display: flex; align-items: center; margin-left: auto; }

.topbar nav { display: flex; gap: 4px; align-items: center; background: var(--paper-deep); padding: 4px; border-radius: 12px; border: 1px solid var(--border-faint); }
.topbar nav a { color: var(--coffee); font-weight: 600; font-size: 12.5px; padding: 7px 13px; border-radius: 9px; display: inline-flex; align-items: center; gap: 6px; }
.topbar nav a:hover { text-decoration: none; background: #7A5A4415; }
.topbar nav a.active { background: var(--coffee); color: var(--paper); }
.topbar .user-chip { font-size: 13px; color: var(--coffee-light); display: flex; align-items: center; gap: 14px; margin-left: 16px; font-weight: 500; }
.topbar .user-chip a { color: var(--coffee-light); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.topbar .user-chip-name { display: inline-flex; align-items: center; gap: 5px; }

.nav-toggle { display: none; background: none; border: none; color: var(--coffee); cursor: pointer; padding: 6px; border-radius: 8px; align-items: center; justify-content: center; }
.nav-toggle:hover { background: var(--paper-deep); }

@media (max-width: 860px) {
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; }

  .topbar-menu { display: none; flex-direction: column; align-items: stretch; width: 100%; margin-left: 0; margin-top: 12px; gap: 12px; }
  .topbar-menu.open { display: flex; }

  .topbar nav { flex-direction: column; align-items: stretch; gap: 2px; }
  .topbar nav a { justify-content: flex-start; }

  .topbar .user-chip { margin-left: 0; flex-wrap: wrap; gap: 10px 16px; padding: 10px 4px 2px; border-top: 1px solid var(--border-faint); }
}

.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
.container-narrow { max-width: 480px; margin: 0 auto; padding: 28px 20px 60px; }

.card {
  background: var(--paper);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 18px;
}

.card h2, .card h3 { margin-top: 0; }

.card-dark {
  background: var(--coffee);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 18px;
}
.card-dark .text-muted { color: #EFE8D999; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

.stat-tile { text-align: center; }
.stat-tile .icon-circle {
  width: 36px; height: 36px; border-radius: 999px; background: var(--paper-deep); color: var(--coffee);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
}
.stat-tile .label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--coffee-light); font-weight: 600; }
.stat-tile .value { font-family: var(--font-display); font-size: 26px; font-weight: 600; margin-top: 6px; }
.stat-tile .sub { font-size: 12px; color: var(--coffee-light); margin-top: 3px; display: flex; align-items: center; justify-content: center; gap: 4px; flex-wrap: wrap; }

.icon { vertical-align: -3px; flex-shrink: 0; }
h2 .icon, h3 .icon { vertical-align: -4px; margin-right: 2px; }
.badge .icon { vertical-align: -2px; margin-right: 1px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border-faint); }
th { color: var(--coffee-light); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: #7A5A440d; }
.table-wrap { overflow-x: auto; }

/* Hairline list — rows separated by a 1px gap of --border-medium showing through */
.hairline-list { display: flex; flex-direction: column; gap: 1px; background: var(--border-medium); border-radius: var(--radius-md); overflow: hidden; }
.hairline-row { background: var(--paper); padding: 12px 14px; display: flex; align-items: center; gap: 12px; }
.hairline-row .icon-bubble { width: 32px; height: 32px; border-radius: 10px; background: var(--paper-deep); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 15px; }

form .field { margin-bottom: 14px; }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--ink); }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=month], input[type=search], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  background: var(--paper-deep);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--coffee); outline-offset: -1px; }

.password-field { position: relative; }
.password-field input[type=password], .password-field input[type=text] { padding-right: 42px; }
.password-toggle { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); background: none; border: none; padding: 7px; cursor: pointer; color: var(--coffee-light); display: flex; align-items: center; border-radius: 6px; }
.password-toggle:hover { color: var(--coffee); }
.password-toggle:focus-visible { outline: 2px solid var(--coffee); outline-offset: 1px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  background: var(--coffee);
  color: var(--paper);
}
.btn:hover { background: #3a2417; text-decoration: none; }
.btn.btn-secondary { background: transparent; color: var(--coffee); border-color: var(--border-strong); }
.btn.btn-secondary:hover { background: #7A5A4412; }
.btn.btn-danger { background: transparent; color: var(--rust); border-color: #A84B3255; }
.btn.btn-danger:hover { background: var(--rust-bg); }
.btn.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.badge, .pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600; letter-spacing: .01em; }
.badge-success, .pill-good { background: var(--sage-bg); color: var(--sage-deep); }
.badge-danger, .pill-warn { background: var(--rust-bg); color: var(--rust); }
.badge-warning { background: #E8B65C2a; color: #8a5a10; }
.badge-muted, .pill-neutral { background: var(--paper-deep); color: var(--coffee); }

/* The translucent badge fills above read as low-contrast on the dark coffee
   card, so use solid, higher-contrast colors there instead. */
.card-dark .badge-success { background: var(--sage); color: var(--paper); }
.card-dark .badge-warning { background: #E8B65C; color: #241C14; }
.card-dark .badge-danger { background: var(--rust); color: var(--paper); }

.alert { padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; font-weight: 500; }
.alert-error { background: var(--rust-bg); color: var(--rust); }
.alert-success { background: var(--sage-bg); color: var(--sage-deep); }

.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.text-muted { color: var(--coffee-light); }
.text-sm { font-size: 13px; }
.text-right { text-align: right; }
.display { font-family: var(--font-display); }

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--paper-deep);
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card .brand { text-align: center; font-family: var(--font-display); font-weight: 600; font-size: 21px; margin-bottom: 6px; }
.auth-card .brand img { height: 90px; width: auto; }
.auth-card .tagline { text-align: center; color: var(--coffee-light); font-size: 13px; margin-bottom: 24px; }

/* Coupon balance dot grid (10 columns) — sage = available, outline = used */
.coupon-dots { display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; }
.coupon-dots .dot { width: 100%; padding-bottom: 100%; border-radius: 999px; position: relative; }
.coupon-dots .dot.available { background: var(--sage); }
.coupon-dots .dot.used { background: transparent; border: 1.5px solid #EFE8D955; opacity: .6; }
.coupon-dots .dot.partial { border: 1.5px solid #EFE8D955; }

/* Dashed "show at counter" QR card */
.qr-card {
  background: var(--paper-deep);
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--border-strong);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.qr-card .qr-thumb { background: var(--paper); border-radius: 12px; padding: 8px; flex-shrink: 0; line-height: 0; }
.qr-card .qr-thumb img, .qr-card .qr-thumb canvas { display: block; }
.qr-card .qr-title { font-family: var(--font-display); font-size: 14px; font-weight: 600; }
.qr-card .qr-sub { font-size: 12px; color: var(--coffee-light); margin-top: 3px; }

/* Order-completion receipt modal (POS) */
.receipt-backdrop {
  position: fixed; inset: 0; background: #241C14CC;
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 200;
}
.receipt-card {
  background: var(--paper); border-radius: var(--radius-lg); padding: 26px;
  max-width: 380px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative;
}
.receipt-card .close-btn {
  position: absolute; top: 14px; right: 14px; background: transparent; border: none;
  cursor: pointer; color: var(--coffee-light); font-size: 20px; line-height: 1;
}
.receipt-check {
  width: 52px; height: 52px; border-radius: 999px; background: var(--sage-bg); color: var(--sage-deep);
  display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 14px;
}
.receipt-title { text-align: center; font-family: var(--font-display); font-size: 18px; font-weight: 600; }
.receipt-sub { text-align: center; font-size: 12.5px; color: var(--coffee-light); margin-top: 4px; }
.receipt-meta { text-align: center; font-size: 12px; color: var(--coffee-light); margin-top: 10px; }
.receipt-items { margin: 18px 0; border-top: 1px solid var(--border-faint); border-bottom: 1px solid var(--border-faint); padding: 10px 0; }
.receipt-item-row { display: flex; justify-content: space-between; font-size: 13.5px; padding: 5px 0; }
.receipt-item-row .qty { color: var(--coffee-light); margin-right: 6px; }
.receipt-totals .totals-row { color: var(--ink); font-size: 13.5px; }
.receipt-totals .totals-row .amount { color: var(--ink); }
.receipt-totals .totals-row .amount.positive { color: var(--sage-deep); }
.receipt-totals .totals-row .amount.due { color: var(--rust); }
.receipt-totals .totals-row.grand { color: var(--ink); border-top-color: var(--border-faint); }
.receipt-totals .totals-row.grand .amount { color: var(--ink); }
.receipt-thanks { text-align: center; font-size: 13.5px; font-weight: 600; margin-top: 18px; }
.receipt-note { text-align: center; font-size: 11.5px; color: var(--coffee-light); margin-top: 6px; line-height: 1.5; }

.qr-modal-backdrop {
  position: fixed; inset: 0; background: #241C14E6;
  display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 100;
}
.qr-modal { background: var(--paper); border-radius: 24px; padding: 28px; text-align: center; position: relative; max-width: 320px; }
.qr-modal .close-btn { position: absolute; top: 14px; right: 14px; background: transparent; border: none; cursor: pointer; color: var(--coffee-light); font-size: 18px; line-height: 1; }
.qr-modal .name { font-family: var(--font-display); font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.qr-modal .sub { font-size: 11.5px; color: var(--coffee-light); margin-top: 14px; }

.pos-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 860px) { .pos-layout { grid-template-columns: 1fr; } }

.category-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.category-tab { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--border-faint); background: var(--paper-deep); color: var(--coffee); font-size: 12px; font-weight: 600; cursor: pointer; }
.category-tab.active { background: var(--coffee); color: var(--paper); border-color: var(--coffee); }

.menu-category { margin-bottom: 20px; }
.menu-category:last-child { margin-bottom: 0; }
.menu-category-title { font-family: var(--font-display); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--coffee-light); margin: 0 0 10px; }

.menu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.menu-item { border: 1px solid var(--border-faint); border-radius: var(--radius-md); padding: 13px; background: var(--paper); text-align: left; cursor: pointer; }
.menu-item:hover { border-color: var(--coffee); }
.menu-item .name { font-weight: 600; font-size: 13.5px; }
.menu-item .price { color: var(--coffee-light); font-size: 12.5px; margin-top: 3px; font-family: var(--font-display); }
.menu-item.unavailable { opacity: .4; cursor: not-allowed; }

.admin-menu-category-row td { background: var(--paper-deep); font-family: var(--font-display); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--coffee-light); padding: 8px 12px; border-bottom: 1px solid var(--border-faint); }

.cart-line { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--border-faint); font-size: 14px; }
.cart-line .qty-controls { display: flex; align-items: center; gap: 8px; }
.qty-btn { width: 27px; height: 27px; border-radius: 8px; border: 1.5px solid var(--border-strong); background: transparent; color: var(--coffee); cursor: pointer; font-weight: 700; font-size: 14px; }
.qty-btn.qty-add { background: var(--coffee); color: var(--paper); border: none; }

.totals-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13.5px; color: #EFE8D999; }
.totals-row.grand { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--paper); border-top: 1px solid #EFE8D922; padding-top: 12px; margin-top: 8px; }
.totals-row .amount { font-family: var(--font-display); font-weight: 600; color: var(--paper); }
.totals-row .amount.positive { color: var(--sage); }
.totals-row .amount.due { color: #F0B65C; }

.pay-toggle { display: flex; gap: 8px; margin-bottom: 14px; }
.pay-toggle button {
  flex: 1; padding: 10px; border-radius: var(--radius-sm); border: 1.5px solid #EFE8D944;
  background: transparent; color: var(--paper); font-size: 12.5px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer;
}
.pay-toggle button.selected { background: var(--paper); color: var(--coffee); border-color: var(--paper); }

/* .pay-toggle is designed for the dark cart summary card; the complete-order
   modal reuses the same markup/classes on a light card, so restyle here. */
.receipt-card .pay-toggle button { color: var(--coffee); border-color: var(--border-strong); }
.receipt-card .pay-toggle button.selected { background: var(--coffee); color: var(--paper); border-color: var(--coffee); }

.queue-card { border: 1px solid var(--border-faint); border-radius: var(--radius-md); padding: 14px; background: var(--paper); margin-bottom: 12px; }
.queue-card:last-child { margin-bottom: 0; }
.queue-card-actions { display: flex; gap: 8px; }
.queue-card-actions .btn { flex: 1; }

#reader { width: 100%; border-radius: var(--radius-md); overflow: hidden; }

.offline-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #E8B65C2a; color: #8a5a10;
  text-align: center; padding: 10px; font-size: 13px; font-weight: 600;
  display: none; z-index: 50;
}
.offline-banner.show { display: block; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--coffee-light); }

.tab-select { display: flex; gap: 8px; flex-wrap: wrap; }
.tab-chip {
  padding: 9px 14px; border-radius: 999px; border: 1.5px solid var(--border-soft);
  background: transparent; color: var(--coffee); font-size: 12.5px; font-weight: 600; cursor: pointer;
}
.tab-chip.selected { background: var(--coffee); color: var(--paper); border-color: var(--coffee); }
.tab-chip:hover { text-decoration: none; }

/* Sales dashboard revenue-trend chart — single-series bar, coffee hue */
.chart-wrap { position: relative; }
.sales-chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart-baseline { stroke: var(--border-medium); stroke-width: 1; }
.chart-bar { fill: var(--coffee); transition: fill .1s ease; }
.chart-bar.hovered { fill: var(--sage-deep); }
.chart-hit { fill: transparent; cursor: pointer; }
.chart-hit:focus { outline: none; }
.chart-axis-label { font-size: 9.5px; fill: var(--coffee-light); font-family: var(--font-body); }
.chart-tooltip {
  display: none; position: absolute; transform: translate(-50%, -100%);
  background: var(--coffee); color: var(--paper); padding: 6px 10px; border-radius: 8px;
  font-size: 12px; white-space: nowrap; pointer-events: none; z-index: 10; margin-top: -8px;
}
.chart-tooltip-value { font-family: var(--font-display); font-weight: 600; font-size: 13px; }
.chart-tooltip-label { color: #EFE8D9BB; font-size: 10.5px; margin-top: 1px; }

details > summary { cursor: pointer; }
details[open] > summary { margin-bottom: 4px; }