/* TairikuRegi base styles */
:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --text: #1a1c1f;
  --text-muted: #5a6270;
  --border: #d6dae0;
  --primary: #1c63d4;
  --primary-text: #ffffff;
  --danger: #d83a3a;
  --warn: #d68a00;
  --ok: #2c8b3d;
  --accent: #f3a712;
  --shadow: 0 2px 6px rgba(0,0,0,.06);
  --radius: 10px;
  --tap: 48px;
}
:root[data-theme="dark"] {
  --bg: #11141a;
  --panel: #1b1f27;
  --panel-2: #232833;
  --text: #e9edf2;
  --text-muted: #9aa3b1;
  --border: #2c3340;
  --primary: #4d8df5;
  --primary-text: #0c1118;
  --danger: #ff6464;
  --warn: #ffb84d;
  --ok: #5cd070;
  --shadow: 0 2px 6px rgba(0,0,0,.4);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #11141a; --panel: #1b1f27; --panel-2: #232833;
    --text: #e9edf2; --text-muted: #9aa3b1; --border: #2c3340;
    --primary: #4d8df5; --primary-text: #0c1118;
    --danger: #ff6464; --warn: #ffb84d; --ok: #5cd070;
    --shadow: 0 2px 6px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI",
    "Segoe UI", Roboto, "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}
h1, h2, h3 { margin: 0 0 .5rem; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.15rem; }
a { color: var(--primary); text-decoration: none; }
hr { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }

input, select, textarea, button {
  font: inherit;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .55rem .7rem;
  min-height: var(--tap);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 0;
}
label {
  display: block;
  margin: .6rem 0;
  color: var(--text-muted);
  font-size: .85rem;
}
label input, label select, label textarea {
  display: block;
  width: 100%;
  margin-top: .2rem;
  color: var(--text);
  font-size: 1rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem;
  min-height: var(--tap);
  padding: .5rem 1rem;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { filter: brightness(.97); }
.btn.primary { background: var(--primary); color: var(--primary-text); border-color: transparent; }
.btn.danger  { background: var(--danger);  color: #fff; border-color: transparent; }
.btn.warn    { background: var(--warn);    color: #2a1d00; border-color: transparent; }
.btn.ok      { background: var(--ok);      color: #fff; border-color: transparent; }
.btn.ghost   { background: transparent; }
.btn.small   { min-height: 36px; padding: .25rem .65rem; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.muted { color: var(--text-muted); font-size: .9rem; }
.err   { background: rgba(216,58,58,.1); color: var(--danger); padding: .6rem .8rem; border-radius: 8px; }
.warn-msg { background: rgba(214,138,0,.12); color: var(--warn); padding: .6rem .8rem; border-radius: 8px; }
.ok    { background: rgba(44,139,61,.12); color: var(--ok); padding: .6rem .8rem; border-radius: 8px; }

.app-shell { min-height: 100dvh; display: flex; flex-direction: column; }
.app-header {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem .8rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.app-header .title { font-weight: 700; }
.app-header .spacer { flex: 1; }
.app-header nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.app-header nav a { padding: .4rem .65rem; border-radius: 6px; color: var(--text); font-size: .9rem; }
.app-header nav a.active { background: var(--panel-2); }

.app-main { flex: 1; padding: 1rem; }
.container { max-width: 1100px; margin: 0 auto; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.card + .card { margin-top: 1rem; }

/* Auth card */
.auth { display: flex; min-height: 100dvh; align-items: center; justify-content: center; padding: 1rem; background: var(--bg); }
.auth-card { width: 100%; max-width: 420px; background: var(--panel); padding: 1.5rem; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.auth-card h1 { margin-top: 0; }
.install .auth-card { max-width: 480px; }
.staff-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(140px,1fr)); gap: .5rem; margin: 1rem 0; }
.staff-tile { padding: 1rem .6rem; display: flex; flex-direction: column; gap: .25rem; align-items: center; background: var(--panel-2); border-radius: var(--radius); border: 1px solid var(--border); cursor: pointer; }
.staff-tile .staff-name { font-weight: 700; font-size: 1rem; }
.staff-tile .staff-role { color: var(--text-muted); font-size: .75rem; }

/* Register/Checkout layout */
.register {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}
@media (min-width: 900px) {
  .register {
    grid-template-columns: minmax(0, 1.7fr) minmax(320px, 1fr);
  }
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px,1fr));
  gap: .5rem;
}
.product-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem .4rem;
  min-height: 80px;
  display: flex; flex-direction: column; justify-content: space-between;
  text-align: left;
  cursor: pointer;
  position: relative;
}
.product-tile .pname { font-weight: 600; font-size: .95rem; line-height: 1.25; }
.product-tile .pprice { color: var(--text-muted); font-size: .8rem; margin-top: .25rem; }
.product-tile .pstock { position: absolute; top: 4px; right: 6px; font-size: .65rem; color: var(--text-muted); }
.product-tile.low { border-color: var(--warn); }
.product-tile.out { border-color: var(--danger); opacity: .8; }
.product-tile.out .pname::after { content: ' (在庫切れ)'; color: var(--danger); font-size: .75rem; }
.product-tile .tax-badge { position: absolute; top: 4px; left: 6px; font-size: .6rem; padding: 1px 4px; border-radius: 3px; background: var(--panel-2); color: var(--text-muted); }
.product-tile.ad-hoc { background: var(--accent); color: #2a1d00; border-color: transparent; }

.cart-panel { position: sticky; top: 56px; }
@media (max-width: 899px) {
  .cart-panel { position: static; }
}
.cart-list { display: flex; flex-direction: column; gap: .35rem; max-height: 50dvh; overflow-y: auto; }
.cart-row { display: grid; grid-template-columns: 1fr auto auto auto; gap: .4rem; align-items: center; padding: .4rem .5rem; border-radius: 8px; background: var(--panel-2); }
.cart-row .cname { font-size: .9rem; }
.cart-row .cmeta { font-size: .7rem; color: var(--text-muted); }
.cart-row .qty { display: inline-flex; align-items: center; gap: .25rem; }
.cart-row .qty button { width: 32px; min-height: 32px; padding: 0; }
.cart-row .qty span { min-width: 1.5rem; text-align: center; font-weight: 600; }
.cart-row .ltot { font-weight: 700; min-width: 4.5rem; text-align: right; }
.cart-row .del { width: 32px; min-height: 32px; padding: 0; }
.cart-row.refund { background: rgba(216,58,58,.08); color: var(--danger); }
.cart-empty { color: var(--text-muted); padding: 1rem 0; text-align: center; }

.totals { margin-top: .8rem; display: flex; flex-direction: column; gap: .25rem; }
.totals .row { display: flex; justify-content: space-between; font-size: .9rem; }
.totals .row.total { font-size: 1.3rem; font-weight: 800; padding-top: .4rem; border-top: 1px dashed var(--border); margin-top: .3rem; }

.payment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px,1fr)); gap: .4rem; margin: .5rem 0; }
.pay-btn { padding: .8rem .5rem; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--border); cursor: pointer; }
.pay-btn.selected { background: var(--primary); color: var(--primary-text); border-color: transparent; }

/* Big change modal */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 1rem; }
.modal { background: var(--panel); border-radius: var(--radius); width: 100%; max-width: 520px; padding: 1.2rem; }
.change-modal .big {
  font-size: clamp(2.5rem, 12vw, 5rem);
  font-weight: 900;
  text-align: center;
  letter-spacing: .02em;
  padding: 1rem 0;
}
.change-modal .label { text-align: center; color: var(--text-muted); }
.change-modal .row { display: flex; justify-content: space-between; padding: .3rem 0; font-size: 1.1rem; }
.change-modal .actions { margin-top: 1rem; display: flex; gap: .5rem; }
.change-modal .actions .btn { flex: 1; }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tbl th, .tbl td { padding: .5rem .55rem; border-bottom: 1px solid var(--border); text-align: left; }
.tbl th { background: var(--panel-2); font-weight: 600; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.voided td { text-decoration: line-through; color: var(--text-muted); }

/* Forms in tables */
.row-actions { display: flex; gap: .25rem; }

/* Stock badges in nav */
.alert-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger); margin-left: 4px; vertical-align: middle;
}

/* Dashboard cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: .5rem; }
.kpi { padding: .8rem 1rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.kpi .label { color: var(--text-muted); font-size: .8rem; }
.kpi .value { font-size: 1.5rem; font-weight: 800; }

.bar-row { display: grid; grid-template-columns: 5rem 1fr 4rem; gap: .4rem; align-items: center; margin: .2rem 0; }
.bar-track { height: 16px; background: var(--panel-2); border-radius: 8px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--primary); }

.flex { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.flex.right { justify-content: flex-end; }
.gap-1 { gap: 1rem; }
.mt-1 { margin-top: 1rem; }
.mt-05 { margin-top: .5rem; }
.mb-05 { margin-bottom: .5rem; }
.full { width: 100%; }
.right { text-align: right; }
.center { text-align: center; }
.hidden { display: none !important; }

/* Notice bar */
.notice-bar { padding: .5rem .8rem; background: rgba(214,138,0,.15); color: var(--warn); font-size: .85rem; }
.notice-bar.err-bar { background: rgba(216,58,58,.12); color: var(--danger); }
.notice-bar a { color: inherit; text-decoration: underline; }