:root {
  --bg: #f5f5f2;
  --surface: #ffffff;
  --ink: #1d1f21;
  --muted: #6b6f73;
  --line: #dcdcd6;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --sel: #d9480f;
  --ok: #2b7a3d;
  --warn: #b7791f;
  --err: #b42318;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .05);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-size: 15px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.3; margin: 0 0 .5em; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 16px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }

button, .btn {
  font: inherit; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; white-space: nowrap;
}
button:hover, .btn:hover { border-color: #b9b9b2; }
button:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: #174b6e; }
.btn-danger { color: var(--err); border-color: #e7b4ae; }
.btn-sm { padding: 4px 10px; min-height: 32px; font-size: .88rem; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=datetime-local], select, textarea {
  font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); width: 100%; min-height: 40px;
}
textarea { min-height: 80px; resize: vertical; }
label { display: block; font-size: .88rem; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.msg { padding: 10px 12px; border-radius: 8px; margin: 8px 0; }
.msg-err { background: #fdecea; color: var(--err); }
.msg-ok { background: #e8f5ec; color: var(--ok); }
.msg-warn { background: #fff6e0; color: #7a5200; }
.msg-info { background: #eaf2f8; color: #1d4a6b; }

.badge { display: inline-block; font-size: .78rem; padding: 2px 8px; border-radius: 999px; background: #eee; color: var(--ink); white-space: nowrap; }
.badge-open, .badge-sent, .badge-ok { background: #e3f3e7; color: var(--ok); }
.badge-draft, .badge-pending { background: #eef0f2; color: #4a5056; }
.badge-closed { background: #f0e9e9; color: #6b4b4b; }
.badge-failed, .badge-err { background: #fdecea; color: var(--err); }
.badge-warn, .badge-new { background: #fff1d6; color: #7a5200; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .82rem; color: var(--muted); font-weight: 600; background: #fafaf8; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f7f9fb; }

/* ---- ヘッダー ---- */
.topbar { background: #1d2327; color: #fff; }
.topbar .wrap { display: flex; gap: 14px; align-items: center; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.topbar a { color: #dfe7ec; text-decoration: none; padding: 4px 6px; border-radius: 6px; }
.topbar a.active, .topbar a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.topbar .brand { font-weight: 700; color: #fff; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 8px 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

/* ---- 写真グリッド ---- */
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
@media (max-width: 600px) { .pgrid { grid-template-columns: repeat(3, 1fr); gap: 6px; } }
.pcard { position: relative; background: var(--surface); border: 2px solid transparent; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.pcard.selected { border-color: var(--sel); }
.pcard .thumb { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; background: #e4e4df; cursor: zoom-in; -webkit-user-drag: none; user-select: none; -webkit-touch-callout: none; }
.pcard .meta { display: flex; align-items: center; justify-content: space-between; gap: 4px; padding: 4px 6px; font-size: .82rem; }
.pcard .no { font-weight: 700; font-variant-numeric: tabular-nums; }
.pcard .fname { font-size: .74rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 6px 6px; }
.check {
  position: absolute; top: 6px; right: 6px; width: 38px; height: 38px; border-radius: 50%; border: 2px solid #fff;
  background: rgba(0, 0, 0, .35); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  padding: 0; min-height: 0; box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
}
.pcard.selected .check { background: var(--sel); border-color: #fff; }
.pcard.deleted { opacity: .45; }
.pcard .acts { display: flex; gap: 4px; padding: 0 6px 6px; }
.pcard .acts .btn-sm { flex: 1; justify-content: center; padding: 2px 6px; min-height: 30px; font-size: .8rem; }
.pcard.added { border-color: var(--ok); }
.pcard.removed { border-color: var(--err); opacity: .6; }
.pcard[draggable=true] { cursor: grab; }
.pcard.drag-over { outline: 3px dashed var(--accent); }

/* ---- 拡大表示 ---- */
.viewer { position: fixed; inset: 0; background: #111; z-index: 50; display: flex; flex-direction: column; color: #fff; }
.viewer .vbar { display: flex; align-items: center; gap: 8px; padding: 10px 12px; }
.viewer .vbar button { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .25); }
.viewer .vimg-wrap { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 0; position: relative; touch-action: pan-y; }
.viewer img { max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; -webkit-touch-callout: none; }
.viewer .nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0, 0, 0, .45); color: #fff; border: none; width: 48px; height: 64px; font-size: 26px; justify-content: center; }
.viewer .nav.prev { left: 6px; }
.viewer .nav.next { right: 6px; }
.viewer .vfoot { padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); display: flex; justify-content: center; gap: 12px; align-items: center; }
.viewer .vsel { min-width: 200px; justify-content: center; font-weight: 700; font-size: 1.05rem; }
.viewer .vsel.on { background: var(--sel); border-color: var(--sel); color: #fff; }

/* ---- モーダル ---- */
.modal-back { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 60; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--surface); border-radius: 12px; max-width: 640px; width: 100%; max-height: 90vh; overflow: auto; padding: 20px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.numlist { display: flex; flex-wrap: wrap; gap: 4px; max-height: 180px; overflow: auto; padding: 8px; background: #f7f7f4; border-radius: 8px; }
.numlist span { font-size: .82rem; background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 0 6px; font-variant-numeric: tabular-nums; }
.copybox { display: flex; gap: 6px; }
.copybox input { font-family: ui-monospace, Menlo, Consolas, monospace; }

/* ---- 顧客画面 ---- */
.c-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.c-header .wrap { padding-top: 12px; padding-bottom: 12px; }
.c-toolbar { position: sticky; top: 0; z-index: 10; background: rgba(245, 245, 242, .96); backdrop-filter: blur(4px); border-bottom: 1px solid var(--line); }
.c-toolbar .wrap { padding-top: 8px; padding-bottom: 8px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: none; border-radius: 0; min-height: 36px; padding: 6px 12px; }
.seg button.on { background: var(--ink); color: #fff; }
.bottombar { position: sticky; bottom: 0; z-index: 10; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -2px 8px rgba(0, 0, 0, .06); }
.bottombar .wrap { display: flex; align-items: center; gap: 10px; padding-top: 10px; padding-bottom: calc(10px + env(safe-area-inset-bottom)); flex-wrap: wrap; }
.count-big { font-size: 1.2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.pager { display: flex; gap: 6px; align-items: center; justify-content: center; margin: 16px 0; flex-wrap: wrap; }
.notice { font-size: .8rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 20px; padding-top: 12px; }
.login-box { max-width: 420px; margin: 8vh auto; }
.code-input { font-size: 1.4rem !important; letter-spacing: .15em; text-align: center; text-transform: uppercase; font-family: ui-monospace, Menlo, Consolas, monospace !important; }
.receipt { font-size: 1.6rem; font-weight: 700; letter-spacing: .04em; }
.save-state { font-size: .8rem; color: var(--muted); min-width: 5em; }
.dropzone { border: 2px dashed var(--line); border-radius: var(--radius); padding: 20px; text-align: center; background: #fbfbf9; }
.dropzone.over { border-color: var(--accent); background: #eef5fa; }
.progress { height: 10px; background: #e6e6e1; border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .2s; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: #222; color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 80; max-width: 90vw; font-size: .9rem; }
@media (max-width: 600px) {
  body { font-size: 14px; }
  .wrap { padding: 12px; }
  .hide-sm { display: none !important; }
}