/* ───────────────────────── A ───────────────────────── */
.customers-a { display: grid; grid-template-columns: 380px 1fr; height: 100%; min-height: calc(100vh - 0px); }
@media (max-width: 900px) { .customers-a { grid-template-columns: 1fr; } .customers-a__detail { display: none; } }

.customers-a__list { background: var(--color-surface); border-right: 1px solid var(--pos-divider); display: flex; flex-direction: column; min-height: 0; }
.customers-a__list-head { padding: 22px 22px 14px; border-bottom: 1px solid var(--pos-divider); }
.customers-a__crumb { font-size: 11px; font-family: var(--pos-font-mono); color: var(--color-text-secondary); letter-spacing: 0.05em; }
.customers-a__title { font-family: var(--pos-font-display); font-size: 20px; font-weight: 700; margin: 4px 0 12px; letter-spacing: -0.02em; }
.customers-a__list-actions { display: flex; gap: 8px; align-items: center; }
.customers-a__search { flex: 1; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--color-border); background: var(--color-background); color: var(--color-text); font: inherit; font-size: 13px; outline: none; }
.customers-a__search:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 25%, transparent); }
.customers-a__new-btn { padding: 10px 14px; border-radius: 8px; border: 0; background: var(--color-primary); color: var(--color-btn-primary-text, #fff); font: inherit; font-weight: 700; font-size: 13px; cursor: pointer; }

.customers-a__list-body { overflow-y: auto; flex: 1; padding: 8px; }
.customers-a__row { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; padding: 12px; width: 100%; border: 0; border-radius: 10px; background: transparent; color: var(--color-text); cursor: pointer; text-align: left; font: inherit; }
.customers-a__row:hover { background: color-mix(in oklab, var(--color-text) 6%, var(--color-surface)); }
.customers-a__row.is-selected { background: color-mix(in oklab, var(--color-primary) 14%, var(--color-surface)); }
.customers-a__row-avatar { width: 40px; height: 40px; border-radius: 50%; background: color-mix(in oklab, var(--color-primary) 15%, var(--color-surface)); color: var(--color-primary); display: grid; place-items: center; font-weight: 700; font-family: var(--pos-font-mono); font-size: 12px; }
.customers-a__row-name { font-weight: 600; font-size: 14px; }
.customers-a__row-sub { font-size: 12px; color: var(--color-text-secondary); margin-top: 2px; }
.customers-a__row-meta { text-align: right; }
.customers-a__row-spent { font-weight: 700; font-family: var(--pos-font-mono); font-size: 13px; }
.customers-a__row-time { font-size: 10px; font-family: var(--pos-font-mono); color: var(--color-text-secondary); margin-top: 2px; }
.customers-a__empty { padding: 32px; text-align: center; color: var(--color-text-secondary); font-size: 13px; }

.customers-a__detail { padding: 32px; overflow-y: auto; }
.customers-a__detail-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; min-height: 400px; color: var(--color-text-secondary); }
.customers-a__detail-empty-mark { font-size: 64px; opacity: 0.3; margin-bottom: 12px; }
.customers-a__detail-empty-title { font-family: var(--pos-font-display); font-size: 18px; font-weight: 700; }
.customers-a__detail-empty-sub { font-size: 13px; margin-top: 4px; }
.customers-a__detail-head { display: flex; align-items: center; gap: 18px; padding-bottom: 22px; border-bottom: 1px solid var(--pos-divider); margin-bottom: 22px; }
.customers-a__detail-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--color-primary); color: var(--color-btn-primary-text, #fff); display: grid; place-items: center; font-family: var(--pos-font-mono); font-weight: 700; font-size: 20px; }
.customers-a__detail-id { flex: 1; }
.customers-a__detail-name { font-family: var(--pos-font-display); font-size: 24px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.02em; }
.customers-a__detail-contact { display: flex; gap: 18px; font-size: 13px; color: var(--color-text-secondary); font-family: var(--pos-font-mono); }
.customers-a__detail-actions { display: flex; gap: 8px; }
.customers-a__btn { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--color-border); background: transparent; color: var(--color-text); font: inherit; font-weight: 600; font-size: 13px; cursor: pointer; }
.customers-a__btn--danger { color: var(--color-error); border-color: color-mix(in oklab, var(--color-error) 30%, var(--color-border)); }

.customers-a__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
@media (max-width: 1100px) { .customers-a__stats { grid-template-columns: repeat(2, 1fr); } }
.customers-a__stat { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; padding: 14px 16px; }
.customers-a__stat-label { font-size: 11px; font-family: var(--pos-font-mono); color: var(--color-text-secondary); letter-spacing: 0.05em; text-transform: uppercase; }
.customers-a__stat-value { font-family: var(--pos-font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-top: 6px; }

.customers-a__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
.customers-a__tag { padding: 4px 10px; border-radius: 999px; background: color-mix(in oklab, var(--color-text) 8%, var(--color-surface)); color: var(--color-text); border: 1px solid var(--pos-divider); font-size: 11px; font-family: var(--pos-font-mono); font-weight: 600; }

.customers-a__history { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 18px 22px; }
.customers-a__h3 { font-family: var(--pos-font-display); font-size: 14px; font-weight: 700; margin: 0 0 12px; letter-spacing: -0.01em; }
.customers-a__history-list { display: flex; flex-direction: column; }
.customers-a__history-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--pos-divider); font-size: 13px; }
.customers-a__history-row:last-child { border-bottom: 0; }
.customers-a__history-time { font-family: var(--pos-font-mono); color: var(--color-text-secondary); font-size: 11px; }
.customers-a__history-total { font-family: var(--pos-font-mono); font-weight: 700; }

/* ───────────────────────── B ───────────────────────── */
.customers-b { padding: 18px 22px; font-family: var(--pos-font-mono); }
.customers-b__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.customers-b__title { font-size: 18px; font-weight: 700; margin: 0; letter-spacing: 0.02em; }
.customers-b__head-actions { display: flex; gap: 8px; }
.customers-b__search { padding: 6px 10px; border-radius: 6px; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 12px; min-width: 280px; outline: none; }
.customers-b__search:focus { border-color: var(--color-primary); }
.customers-b__btn { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font: inherit; font-weight: 700; font-size: 11px; cursor: pointer; letter-spacing: 0.04em; }
.customers-b__count { font-size: 11px; color: var(--color-text-secondary); margin-bottom: 10px; }
.customers-b__table-wrap { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 6px; overflow: auto; max-height: calc(100vh - 180px); }
.customers-b__table { width: 100%; border-collapse: collapse; font-size: 12px; }
.customers-b__th { text-align: left; padding: 8px 12px; color: var(--color-text-secondary); font-weight: 700; font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; border-bottom: 1px solid var(--pos-divider); cursor: pointer; user-select: none; background: color-mix(in oklab, var(--color-text) 5%, var(--color-surface)); position: sticky; top: 0; z-index: 1; }
.customers-b__th--num { text-align: right; }
.customers-b__td { padding: 7px 12px; border-bottom: 1px solid var(--pos-divider); color: var(--color-text); }
.customers-b__td--mono { font-variant-numeric: tabular-nums; }
.customers-b__td--num { text-align: right; }
.customers-b__td--name { font-weight: 600; font-family: var(--pos-font-body); }
.customers-b__tr { cursor: pointer; }
.customers-b__tr:hover { background: color-mix(in oklab, var(--color-text) 5%, transparent); }
.customers-b__tr.is-selected { background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.customers-b__empty { padding: 40px; text-align: center; color: var(--color-text-secondary); }

/* ───────────────────────── C ───────────────────────── */
.customers-c { padding: 16px; max-width: 1280px; margin: 0 auto; }
.customers-c__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.customers-c__title { font-family: var(--pos-font-display); font-size: 22px; font-weight: 700; margin: 0; letter-spacing: -0.02em; }
.customers-c__new { width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--color-primary); color: var(--color-btn-primary-text, #fff); font-size: 22px; cursor: pointer; }
.customers-c__search-wrap { margin-bottom: 14px; }
.customers-c__search { width: 100%; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 14px; outline: none; }
.customers-c__search:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 25%, transparent); }

.customers-c__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (min-width: 600px) { .customers-c__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .customers-c__grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1200px) { .customers-c__grid { grid-template-columns: repeat(5, 1fr); } }

.customers-c__card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 16px 12px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; cursor: pointer; font: inherit; color: var(--color-text); }
.customers-c__card:hover { background: color-mix(in oklab, var(--color-text) 4%, var(--color-surface)); }
.customers-c__card.is-selected { border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 20%, transparent); }
.customers-c__card-avatar { width: 56px; height: 56px; border-radius: 50%; background: color-mix(in oklab, var(--color-primary) 15%, var(--color-surface)); color: var(--color-primary); display: grid; place-items: center; font-family: var(--pos-font-mono); font-weight: 700; font-size: 16px; margin-bottom: 8px; }
.customers-c__card-name { font-weight: 600; font-size: 13px; }
.customers-c__card-stat { font-family: var(--pos-font-mono); font-size: 11px; color: var(--color-text-secondary); margin-top: 4px; }
.customers-c__empty { padding: 40px; text-align: center; color: var(--color-text-secondary); }