/* Khung ứng dụng An Khang Pharma: menu trái, thanh trên, các màn quản lý.
   Màn Bán hàng có thêm pos.css. */

:root {
  --green: #0d6b4a;
  --green-dark: #0a5239;
  --green-deep: #073826;
  --green-soft: #e6f3ee;
  --mint: #3fb68b;
  --ink: #1c2623;
  --muted: #5c6b63;
  --line: #dde5e1;
  --bg: #f3f6f4;
  --card: #ffffff;
  --warn: #b4572a;
  --warn-soft: #fbeee6;
  --bad: #c0392b;
  --bad-soft: #fdecea;
  --blue: #2f6fb0;
  --gold: #b8860b;
  --radius: 10px;
  --side: 240px;
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  color: var(--ink);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); font-size: 14px; display: flex; overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
a { color: var(--green); }

/* ── Menu trái ─────────────────────────────────────────────────────────── */
.ak-side {
  width: var(--side); flex: none; height: 100%; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--green-deep) 0%, #0b4a33 100%); color: #d8ebe2;
  transition: width .18s;
}
.ak-brand { display: flex; align-items: center; gap: 10px; padding: 16px 18px; color: #fff; text-decoration: none; }
.ak-brand-mark { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: #fff; color: var(--green); font-size: 18px; box-shadow: 0 4px 12px rgba(0,0,0,.25); }
.ak-brand-text { display: flex; flex-direction: column; line-height: 1.25; white-space: nowrap; overflow: hidden; }
.ak-brand-text small { color: #8fc2ab; font-size: 11.5px; }
.ak-nav { flex: 1; overflow-y: auto; padding: 4px 10px 10px; }
.ak-nav-group + .ak-nav-group { margin-top: 10px; }
.ak-nav-title { margin: 8px 10px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #7fae98; white-space: nowrap; }
.ak-nav-link { display: flex; align-items: center; gap: 11px; padding: 9px 10px; border-radius: 8px; color: #d8ebe2; text-decoration: none; white-space: nowrap; position: relative; }
.ak-nav-link:hover { background: rgba(255,255,255,.07); color: #fff; }
.ak-nav-link.is-active { background: rgba(63,182,139,.2); color: #fff; font-weight: 600; }
.ak-nav-link.is-active::before { content: ""; position: absolute; left: -10px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--mint); }
.ak-ico { width: 20px; height: 20px; flex: none; }
.ak-side-foot { display: flex; justify-content: space-between; gap: 8px; padding: 12px 18px; font-size: 11.5px; color: #7fae98; border-top: 1px solid rgba(255,255,255,.08); white-space: nowrap; overflow: hidden; }
.ak-side-foot a { color: #b5dbc9; }

@media (min-width: 961px) {
  body.is-nav-mini { --side: 68px; }
  body.is-nav-mini .ak-brand-text, body.is-nav-mini .ak-nav-title, body.is-nav-mini .ak-nav-link span, body.is-nav-mini .ak-side-foot { display: none; }
  body.is-nav-mini .ak-nav-link { justify-content: center; }
  body.is-nav-mini .ak-brand { justify-content: center; padding-inline: 0; }
}

.ak-scrim { display: none; }

/* ── Khu chính ────────────────────────────────────────────────────────── */
.ak-main { flex: 1; min-width: 0; height: 100%; display: flex; flex-direction: column; }
.ak-top { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: #fff; border-bottom: 1px solid var(--line); }
.ak-top-btn { position: relative; flex: none; display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); }
.ak-top-btn:hover { background: var(--bg); color: var(--ink); }
.ak-page-title { margin: 0; font-size: 18px; font-weight: 700; white-space: nowrap; }
.ak-top-search { position: relative; flex: 1 1 260px; max-width: 460px; margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid transparent; border-radius: 9px; padding: 0 12px; color: var(--muted); }
.ak-top-search:focus-within { border-color: var(--green); background: #fff; }
.ak-top-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 9px 0; color: var(--ink); }
.ak-branch { border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px; background: #fff; }
.ak-bell-count { position: absolute; top: 3px; right: 2px; min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px; background: var(--bad); color: #fff; font-size: 10.5px; font-weight: 700; display: grid; place-items: center; }
.ak-pop-wrap { position: relative; }
.ak-pop { position: absolute; right: 0; top: calc(100% + 8px); z-index: 30; width: 380px; max-height: 70vh; overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(0,0,0,.14); padding: 14px; }
.ak-pop-sm { width: 260px; display: flex; flex-direction: column; gap: 8px; }
.ak-pop-sm p { margin: 0; }
.ak-pop-title { margin: 0 0 8px; font-weight: 700; }
.ak-pop-link { display: block; margin-top: 10px; font-weight: 600; text-decoration: none; }
.ak-alerts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.ak-alerts li { padding: 8px 10px 8px 12px; border-radius: 8px; border-left: 3px solid var(--warn); background: var(--warn-soft); font-size: 13px; }
.ak-alerts li.is-bad { border-color: var(--bad); background: var(--bad-soft); }
.ak-user { display: flex; align-items: center; gap: 9px; border: 0; background: transparent; padding: 3px 6px 3px 3px; border-radius: 22px; text-align: left; }
.ak-user:hover { background: var(--bg); }
.ak-avatar { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--mint), var(--green)); color: #fff; font-weight: 700; font-size: 13px; }
.ak-user-text { display: flex; flex-direction: column; line-height: 1.2; white-space: nowrap; }
.ak-user-text small { color: var(--muted); font-size: 11.5px; }
.ak-muted { color: var(--muted); }

.ak-views { flex: 1; min-height: 0; position: relative; }
.ak-view-pos { height: 100%; display: flex; flex-direction: column; }
.ak-view-page { height: 100%; overflow-y: auto; }

/* ── Trang quản lý ────────────────────────────────────────────────────── */
.ak-page { max-width: 1320px; margin: 0 auto; padding: 22px 24px 40px; display: flex; flex-direction: column; gap: 18px; }
.ak-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.ak-head h2 { margin: 0; font-size: 22px; }
.ak-head p { margin: 4px 0 0; color: var(--muted); }
.ak-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ak-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: 0 1px 2px rgba(16,40,30,.04); min-width: 0; }
.ak-card h3 { margin: 0; font-size: 15px; }
.ak-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.ak-card-head a { font-size: 13px; font-weight: 600; text-decoration: none; }
.ak-card-sub { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.ak-grid { display: grid; gap: 18px; }
.ak-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ak-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ak-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ak-grid-main { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

.ak-kpi { display: flex; flex-direction: column; gap: 6px; position: relative; overflow: hidden; }
.ak-kpi-label { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 8px; }
.ak-kpi-ico { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--green-soft); color: var(--green); }
.ak-kpi-ico .ak-ico { width: 17px; height: 17px; }
.ak-kpi-value { font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.ak-kpi-value small { font-size: 14px; font-weight: 600; color: var(--muted); }
.ak-kpi-foot { font-size: 12.5px; color: var(--muted); }
.ak-up { color: var(--green); font-weight: 600; }
.ak-down { color: var(--bad); font-weight: 600; }

.ak-hero { background: linear-gradient(120deg, var(--green-deep), var(--green) 70%, #189a6b); color: #fff; border: 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.ak-hero h2 { margin: 0; font-size: 21px; }
.ak-hero p { margin: 4px 0 0; color: #c9ebdc; }
.ak-hero .pos-btn-ghost { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.1); color: #fff; }
.ak-hero .pos-btn-primary { background: #fff; color: var(--green); }

/* Bảng */
.ak-table-wrap { overflow-x: auto; margin: 0 -18px; }
.ak-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ak-table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; background: #fafcfb; }
.ak-table td { padding: 11px 12px; border-bottom: 1px solid #edf2ef; vertical-align: middle; }
.ak-table th:first-child, .ak-table td:first-child { padding-left: 18px; }
.ak-table th:last-child, .ak-table td:last-child { padding-right: 18px; }
.ak-table tbody tr:hover { background: #f8fbf9; }
.ak-table tr[data-href] { cursor: pointer; }
.ak-num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.ak-person { display: flex; align-items: center; gap: 10px; }
.ak-person .ak-avatar { width: 32px; height: 32px; font-size: 12px; background: linear-gradient(135deg, #8fd3b5, #3a8f6c); }
.ak-person b { display: block; }
.ak-person small { display: block; color: var(--muted); }
.ak-table a { text-decoration: none; font-weight: 600; }

.ak-tier { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; background: #eef1f0; color: var(--muted); }
.ak-tier-silver { background: #eef2f6; color: #56677a; }
.ak-tier-gold { background: #fbf3dc; color: #8a6508; }
.ak-tier-diamond { background: #e5f0fb; color: var(--blue); }
.ak-chip { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--green-soft); color: var(--green); white-space: nowrap; }
.ak-chip-warn { background: var(--warn-soft); color: var(--warn); }
.ak-chip-bad { background: var(--bad-soft); color: var(--bad); }
.ak-chip-blue { background: #e5f0fb; color: var(--blue); }
.ak-plus { color: var(--green); font-weight: 600; }
.ak-minus { color: var(--bad); font-weight: 600; }

/* Bộ lọc */
.ak-filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.ak-filters input[type=search], .ak-filters select, .ak-input { border: 1px solid var(--line); border-radius: 9px; padding: 8px 11px; background: #fff; }
.ak-filters input[type=search] { flex: 1 1 240px; max-width: 360px; }
.ak-check { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.ak-pager { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; color: var(--muted); font-size: 13px; flex-wrap: wrap; }
.ak-pager-btns { display: flex; gap: 4px; }
.ak-pager-btns button { min-width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.ak-pager-btns button.is-on { background: var(--green); border-color: var(--green); color: #fff; }
.ak-pager-btns button:disabled { opacity: .45; cursor: default; }

/* Tabs */
.ak-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: -4px 0 14px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.ak-tabs button { border: 0; background: transparent; padding: 10px 14px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.ak-tabs button.is-on { color: var(--green); border-color: var(--green); }

/* Biểu đồ */
.ak-chart { width: 100%; height: auto; display: block; }
.ak-chart .bar { fill: #bfe3d3; }
.ak-chart .bar.is-today { fill: var(--green); }
.ak-chart .bar:hover { fill: var(--mint); }
.ak-chart text { fill: var(--muted); font-size: 11px; font-family: inherit; }
.ak-chart .grid { stroke: #edf2ef; }
.ak-stack { display: flex; height: 12px; border-radius: 6px; overflow: hidden; background: var(--bg); }
.ak-legend { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.ak-legend div { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.ak-legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.ak-legend b { margin-left: auto; font-variant-numeric: tabular-nums; }
.ak-rank { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ak-rank li { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.ak-rank-no { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: var(--green-soft); color: var(--green); font-size: 12px; font-weight: 700; }
.ak-rank-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ak-rank-bar { grid-column: 2 / 4; height: 5px; border-radius: 3px; background: var(--bg); overflow: hidden; margin-top: -6px; }
.ak-rank-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--mint), var(--green)); border-radius: 3px; }
.ak-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ak-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid #edf2ef; font-size: 13.5px; }
.ak-list li:last-child { border-bottom: 0; }
.ak-list small { display: block; color: var(--muted); }

/* Hồ sơ khách */
.ak-back { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; font-weight: 600; color: var(--muted); }
.ak-back:hover { color: var(--green); }
.ak-profile { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.ak-profile .ak-avatar { width: 64px; height: 64px; font-size: 22px; }
.ak-profile h2 { margin: 0; font-size: 22px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ak-profile p { margin: 4px 0 0; color: var(--muted); }
.ak-dl { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 10px 14px; margin: 0; font-size: 13.5px; }
.ak-dl dt { color: var(--muted); }
.ak-dl dd { margin: 0; }
.ak-warn-box { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 9px; background: var(--bad-soft); color: var(--bad); font-weight: 500; }
.ak-progress { height: 8px; border-radius: 4px; background: var(--bg); overflow: hidden; margin: 10px 0 6px; }
.ak-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--mint), var(--green)); border-radius: 4px; }

/* Thẻ hạng (Tích điểm) */
.ak-tier-card { border-radius: 12px; padding: 14px; color: #fff; position: relative; overflow: hidden; }
.ak-tier-card::after { content: "✚"; position: absolute; right: -6px; bottom: -22px; font-size: 92px; opacity: .12; }
.ak-tier-card b { font-size: 24px; display: block; }
.ak-tier-card span { opacity: .85; font-size: 12.5px; }
.ak-tier-card.member { background: linear-gradient(135deg, #6b7d74, #4a5a52); }
.ak-tier-card.silver { background: linear-gradient(135deg, #9aa9b8, #66778a); }
.ak-tier-card.gold { background: linear-gradient(135deg, #e0b43c, #a87a06); }
.ak-tier-card.diamond { background: linear-gradient(135deg, #5aa0e0, #24589a); }

.ak-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ak-form label { display: flex; flex-direction: column; gap: 5px; font-weight: 500; font-size: 13px; }
.ak-form label small { color: var(--muted); font-weight: 400; }
.ak-form input:not([type=checkbox]), .ak-form select { border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; background: #fff; }
.ak-form .ak-check { flex-direction: row; grid-column: 1 / -1; }
.ak-form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; }
.ak-tier-table input { width: 120px; border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; text-align: right; }

.ak-empty-state { margin: 60px auto; max-width: 460px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--muted); }
.ak-empty-state .ak-ico { width: 54px; height: 54px; color: var(--mint); margin-bottom: 8px; }
.ak-empty-state h2 { margin: 0; color: var(--ink); font-size: 19px; }
.ak-empty-state p { margin: 0 0 12px; }
.ak-empty-row { text-align: center; color: var(--muted); padding: 26px !important; }

/* Hộp lỗi */
.ak-error-head { display: flex; align-items: center; gap: 10px; }
.ak-error-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--bad-soft); color: var(--bad); font-weight: 800; font-size: 18px; flex: none; }
.ak-error #error-message { margin: 0; }
.ak-error-code { margin: 0; font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); }

/* ── Màn hẹp ──────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .ak-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ak-grid-main { grid-template-columns: 1fr; }
  .ak-user-text { display: none; }
}
@media (max-width: 960px) {
  .ak-side { position: fixed; z-index: 60; left: 0; top: 0; bottom: 0; width: 260px; transform: translateX(-100%); transition: transform .2s; }
  body.is-nav-open .ak-side { transform: none; }
  body.is-nav-open .ak-scrim { display: block; position: fixed; inset: 0; z-index: 55; background: rgba(10,30,22,.45); }
  .ak-grid-3, .ak-grid-2 { grid-template-columns: 1fr; }
  .ak-branch { display: none; }
}
@media (max-width: 640px) {
  .ak-top { gap: 6px; padding: 8px 10px; flex-wrap: wrap; }
  .ak-page-title { font-size: 16px; flex: 1; }
  .ak-top-search { order: 5; flex-basis: 100%; max-width: none; }
  .ak-page { padding: 16px 14px 30px; }
  .ak-grid-4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .ak-kpi-value { font-size: 20px; }
  .ak-form { grid-template-columns: 1fr; }
  .ak-pop { width: calc(100vw - 20px); right: -50px; }
  .ak-dl { grid-template-columns: 1fr; gap: 2px; }
  .ak-dl dd { margin-bottom: 8px; }
}

/* ── Đợt 2: kho, đơn hàng, báo cáo, cài đặt ───────────────────────────── */
.ak-subnav { display: flex; gap: 4px; padding: 4px; background: #e9efec; border-radius: 11px; width: max-content; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.ak-subnav a { padding: 8px 14px; border-radius: 8px; color: var(--muted); font-weight: 600; text-decoration: none; white-space: nowrap; }
.ak-subnav a:hover { color: var(--ink); }
.ak-subnav a.is-on { background: #fff; color: var(--green); box-shadow: 0 1px 3px rgba(16,40,30,.1); }
.ak-sub { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.ak-expand > td { background: #f8fbf9; padding: 16px 18px !important; }
.ak-mini-title { margin: 0 0 8px; font-size: 13px; }
.ak-table-mini { background: #fff; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.ak-table-mini th, .ak-table-mini td { padding: 7px 10px !important; }
.ak-table tfoot td { border-bottom: 0; padding-top: 8px; padding-bottom: 8px; }
.ak-edit-table input, .ak-edit-table select { width: 100%; min-width: 90px; border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; background: #fff; }
.ak-edit-table td.ak-num input { width: 100px; min-width: 0; text-align: right; }
.ak-edit-table select { min-width: 180px; }
.ak-file { position: relative; overflow: hidden; }
.ak-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.ak-form-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ak-alert { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--bad-soft); color: var(--bad); border: 1px solid #f3c7c1; }
.ak-alert ul { margin: 6px 0 0; padding-left: 18px; }
.ak-receipt-foot { display: flex; gap: 18px; align-items: flex-end; justify-content: space-between; margin-top: 16px; flex-wrap: wrap; }
.ak-receipt-foot > label { flex: 1 1 280px; display: flex; flex-direction: column; gap: 5px; font-weight: 500; font-size: 13px; }
.ak-sum { display: flex; flex-direction: column; gap: 8px; min-width: 280px; padding: 12px 14px; background: var(--bg); border-radius: 10px; }
.ak-sum > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ak-sum input { width: 140px; text-align: right; }
.ak-sum b { font-size: 16px; }
.ak-sum-one { min-width: 0; justify-content: center; }
.ak-card-focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63,182,139,.15); }
.ak-inline { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.ak-ellipsis { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ak-strike { text-decoration: line-through; color: var(--muted); }
.ak-big { font-size: 18px; color: var(--green); }
.ak-steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; color: var(--ink); }
.ak-lock { font-size: 40px; }
.ak-spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; animation: ak-spin .8s linear infinite; }
@keyframes ak-spin { to { transform: rotate(360deg); } }
@media (max-width: 960px) {
  .ak-form-3 { grid-template-columns: 1fr; }
  .ak-sum { min-width: 0; width: 100%; }
}