/* Dashboard Meta Ads. CSS thuần, không build, không web font, không inline (CSP style-src 'self').
   Cấu trúc: 1 token  2 nền  3 layout (sidebar, topbar)  4 component dùng lại  5 responsive.
   Component để trang sau dùng lại: .card .kpi .table-wrap/.table .filter-bar .btn .tabs .pill .badge .notice .field
   .summary-strip .account-card .avatar .tag .muted .text-danger .num. */

/* ---- 1. token ---- */
:root {
  color-scheme: light;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --green-900: #0b4a3e;
  --green-700: #0f5a4a;
  --green-600: #14705c;
  --green-100: #e3f1ed;
  --green-50: #f1f8f6;
  --red-600: #c62828;
  --red-100: #fdeaea;
  --amber-600: #b26a00;
  --amber-100: #fff4de;
  --blue-700: #1c5d99;
  --blue-100: #e6f0fa;

  --bg: #f5f7f7;
  --surface: #fff;
  --border: #dfe5e4;
  --text: #1c2b28;
  --muted: #667773;
  --th-bg: #f1f4f3;

  --primary: var(--green-700);
  --primary-hover: var(--green-900);
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(11, 74, 62, 0.06);

  --sidebar-w: 15rem;
  --sidebar-w-collapsed: 4rem;
  --topbar-h: 3.5rem;
}

/* ---- 2. nền ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 0.875rem/1.5 var(--font);
  color: var(--text);
  background: var(--bg);
}
h1, h2, h3 { margin: 0; line-height: 1.25; }
p { margin: 0 0 0.75rem; }
a { color: var(--green-600); }
a:hover { color: var(--green-900); }
code { font-family: var(--mono); font-size: 0.85em; background: var(--th-bg); padding: 0.1em 0.35em; border-radius: 4px; }
small { display: block; color: var(--muted); font-size: 0.78rem; }
ul, ol { margin: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--green-600); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.icon { width: 1.1rem; height: 1.1rem; flex: none; }
.muted { color: var(--muted); }
.text-danger, .error { color: var(--red-600); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---- 3. layout ---- */
.nav-switch { position: absolute; opacity: 0; pointer-events: none; }

.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  background: var(--green-900); color: #fff;
  overflow-y: auto; overflow-x: hidden;
}
.sidebar-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0 0.75rem 0 1rem; height: var(--topbar-h); flex: none; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: #fff; text-decoration: none; font-weight: 700; font-size: 1rem; min-width: 0; }
.brand:hover { color: #fff; }
.brand-mark { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 8px; background: rgba(255, 255, 255, 0.14); flex: none; }
.brand-name { white-space: nowrap; }
.icon-btn {
  display: inline-grid; place-items: center; width: 2rem; height: 2rem; padding: 0;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: inherit; cursor: pointer;
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.12); }
.nav-open-btn { display: none; }

.sidebar-nav { flex: 1; padding: 0.5rem 0.5rem 1rem; }
.nav-list { list-style: none; display: grid; gap: 2px; }
.nav-group { margin-top: 0.75rem; }
.nav-section {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.25rem 0.75rem; cursor: pointer; list-style: none;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: #9bb8b0;
}
.nav-section::-webkit-details-marker { display: none; }
.nav-section .icon { width: 0.9rem; height: 0.9rem; transition: transform 0.15s; }
.nav-group:not([open]) > .nav-section .icon { transform: rotate(-90deg); }
.nav-item {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.5rem 0.75rem; border-radius: var(--radius-sm);
  color: #e8f2ef; text-decoration: none; white-space: nowrap;
}
a.nav-item:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nav-item.is-active { background: rgba(255, 255, 255, 0.16); color: #fff; font-weight: 600; }
.nav-item.is-disabled { color: #8fb0a6; cursor: not-allowed; }
.tag {
  margin-left: auto; padding: 0.05rem 0.45rem; border-radius: 999px;
  background: rgba(255, 255, 255, 0.1); color: #b9d0c9; font-size: 0.65rem; font-weight: 600;
}

.sidebar-user { display: flex; align-items: center; gap: 0.6rem; padding: 0.75rem; border-top: 1px solid rgba(255, 255, 255, 0.12); flex: none; }
.user-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.user-meta { flex: 1; min-width: 0; display: grid; }
.user-link { font-size: 0.75rem; color: #b9d0c9; text-decoration: none; }
.user-link:hover { color: #fff; text-decoration: underline; }
.logout-form { margin: 0; }
.avatar {
  display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; flex: none;
  border-radius: 50%; background: var(--green-100); color: var(--green-900); font-weight: 700; font-size: 0.75rem;
}
.sidebar-user .avatar { background: #2f7a68; color: #fff; }
.avatar-sm { width: 1.9rem; height: 1.9rem; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: var(--topbar-h); padding: 0.5rem 1.5rem;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.page-title { font-size: 1.15rem; font-weight: 700; }
.topbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.content { flex: 1; padding: 1.25rem 1.5rem 2rem; display: grid; gap: 1rem; align-content: start; min-width: 0; }

/* thu gọn sidebar trên desktop (checkbox, không cần JS) */
#nav-collapse:checked ~ .app { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
#nav-collapse:checked ~ .app .sidebar .nav-text,
#nav-collapse:checked ~ .app .sidebar .brand-name,
#nav-collapse:checked ~ .app .sidebar .tag,
#nav-collapse:checked ~ .app .sidebar .nav-section .icon { display: none; }
#nav-collapse:checked ~ .app .sidebar-head { padding: 0; justify-content: center; }
#nav-collapse:checked ~ .app .brand { display: none; }
#nav-collapse:checked ~ .app .nav-item { justify-content: center; padding: 0.55rem 0; }
#nav-collapse:checked ~ .app .nav-section { padding: 0.1rem 0; border-top: 1px solid rgba(255, 255, 255, 0.12); }
#nav-collapse:checked ~ .app .sidebar-user { flex-direction: column; }
#nav-collapse:focus-visible ~ .app .nav-collapse-btn,
#nav-open:focus-visible ~ .app .nav-open-btn { outline: 2px solid #fff; outline-offset: 1px; }

/* layout căn giữa cho đăng nhập / step-up */
.auth-body { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: var(--green-50); }
.auth-shell { width: 100%; max-width: 24rem; }
.auth-card { padding: 1.5rem; }
.auth-brand { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem; font-weight: 700; font-size: 1.05rem; color: var(--green-900); }
.auth-brand .brand-mark { background: var(--green-700); color: #fff; }
.auth-title { font-size: 1.25rem; margin-bottom: 0.75rem; }

/* ---- 4. component ---- */

/* card */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); }
.card-title { font-size: 0.95rem; font-weight: 700; }
.card-body { padding: 1rem; }
.card-body > :last-child { margin-bottom: 0; }
.card-narrow { max-width: 36rem; }
.prose { max-width: 48rem; }
.steps { padding-left: 1.25rem; display: grid; gap: 0.5rem; margin-bottom: 1rem; }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1rem; }
.kpi { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
.kpi-icon { position: absolute; top: 0.9rem; right: 0.9rem; display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--green-100); color: var(--green-700); }
.kpi-value { font-size: 1.75rem; font-weight: 800; line-height: 1.2; color: var(--green-700); font-variant-numeric: tabular-nums; }
.kpi-label { margin-top: 0.15rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.kpi-foot { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem; padding-top: 0.7rem; border-top: 1px solid var(--border); }
.kpi-foot-label { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }

/* pill (% thay đổi), badge (trạng thái) */
.pill, .badge { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.1rem 0.55rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; line-height: 1.4; white-space: nowrap; }
.pill-up, .badge-ok { background: var(--green-100); color: var(--green-700); }
.pill-down, .badge-err { background: var(--red-100); color: var(--red-600); }
.badge-warn { background: var(--amber-100); color: var(--amber-600); }
.pill-muted, .badge-muted { background: var(--th-bg); color: var(--muted); }

/* notice */
.notice { display: flex; align-items: flex-start; gap: 0.6rem; margin: 0; padding: 0.65rem 0.9rem; border: 1px solid var(--border); border-left-width: 4px; border-radius: var(--radius-sm); background: var(--surface); }
.notice > .icon { margin-top: 0.15rem; }
.notice.ok { color: var(--green-700); background: var(--green-50); border-color: var(--green-600); }
.notice.error { color: var(--red-600); background: var(--red-100); border-color: var(--red-600); }
.notice.warn { color: #6b4a00; background: var(--amber-100); border-color: var(--amber-600); }
.notice.info { color: var(--blue-700); background: var(--blue-100); border-color: var(--blue-700); }
.card-body > .notice, .card-body > form + .notice { margin: 0.75rem 0; }

/* buttons */
.btn, button { font: inherit; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.5rem 0.95rem; border: 1px solid transparent; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.3; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-outline { background: var(--surface); color: var(--green-700); border-color: var(--border); }
.btn-outline:hover { background: var(--green-50); border-color: var(--green-600); color: var(--green-900); }
.btn-danger { background: var(--red-600); color: #fff; border-color: var(--red-600); }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn:disabled, .btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.btn-row form { margin: 0; }
.inline-form { display: inline-block; margin: 0 0.5rem 0.5rem 0; }

/* form field */
.field { display: grid; gap: 0.25rem; margin-bottom: 0.9rem; }
.field > label, label.field-label { font-weight: 600; font-size: 0.8rem; color: var(--text); }
input[type="text"], input[type="password"], input[type="search"], input[type="date"], input[type="number"], select {
  width: 100%; padding: 0.5rem 0.65rem; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
input:focus, select:focus { border-color: var(--green-600); outline: 2px solid var(--green-100); }
input:disabled, select:disabled { background: var(--th-bg); color: var(--muted); }
label.inline { display: flex; gap: 0.5rem; align-items: center; margin: 0 0 0.5rem; font-weight: 500; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 0 1rem; }
.field-compact { margin-bottom: 0.5rem; }
.field-compact > label { font-weight: 500; color: var(--muted); }

/* table */
.table-wrap { overflow-x: auto; max-width: 100%; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 0.55rem 0.8rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.table thead th { background: var(--th-bg); color: var(--muted); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap; }
.table th.num, .table td.num { text-align: right; }
.table tbody tr:hover { background: var(--green-50); }
.table .total-row td, .table .total-row th, .table tfoot td, .table tfoot th { font-weight: 800; background: var(--th-bg); }
.table-kv th { width: 11rem; background: var(--th-bg); font-weight: 600; color: var(--muted); }
.table-kv tr:last-child th, .table-kv tr:last-child td { border-bottom: 0; }
.table.accounts { min-width: 46rem; }
.cell-form form { margin: 0; min-width: 15rem; }

/* filter bar */
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.filter-bar .search { position: relative; flex: 1 1 14rem; max-width: 22rem; }
.filter-bar .search .icon { position: absolute; left: 0.6rem; top: 50%; margin-top: -0.55rem; color: var(--muted); }
.filter-bar .search input { padding-left: 2rem; }
.filter-bar select, .filter-bar input[type="date"] { width: auto; }
.filter-bar .spacer { margin-left: auto; }

/* tabs */
.tabs { display: flex; gap: 1.25rem; padding: 0 1.5rem; overflow-x: auto; background: var(--surface); border-bottom: 1px solid var(--border); }
.tab { padding: 0.7rem 0; color: var(--muted); font-weight: 600; text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tab:hover { color: var(--green-900); }
.tab.is-active { color: var(--green-700); border-bottom-color: var(--green-700); }

/* dải tổng kết dính đáy */
.summary-strip { position: sticky; bottom: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; padding: 0.6rem 1.5rem; background: var(--surface); border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--muted); }
.summary-strip strong { color: var(--text); }

/* thẻ account đã kết nối */
.account-card { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.account-card .meta-expiry { color: var(--red-600); font-size: 0.78rem; }
.account-card .menu-btn { margin-left: auto; color: var(--muted); }
.icon-btn.menu-btn:hover { background: var(--th-bg); }

/* ---- 5. responsive ---- */
@media (max-width: 48rem) {
  .app { display: block; }
  #nav-collapse:checked ~ .app { display: block; }
  .sidebar { position: static; height: auto; overflow: visible; }
  .nav-collapse-btn { display: none; }
  .nav-open-btn { display: inline-grid; }
  .sidebar-nav, .sidebar-user { display: none; }
  #nav-open:checked ~ .app .sidebar-nav { display: block; }
  #nav-open:checked ~ .app .sidebar-user { display: flex; }
  /* thu gọn desktop không áp dụng trên điện thoại */
  #nav-collapse:checked ~ .app .sidebar .nav-text,
  #nav-collapse:checked ~ .app .sidebar .brand-name,
  #nav-collapse:checked ~ .app .sidebar .tag,
  #nav-collapse:checked ~ .app .brand { display: revert; }
  #nav-collapse:checked ~ .app .nav-item { justify-content: flex-start; padding: 0.5rem 0.75rem; }
  .topbar { position: static; padding: 0.6rem 1rem; }
  .content { padding: 1rem; }
  .tabs, .summary-strip { padding-left: 1rem; padding-right: 1rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar .spacer { margin-left: 0; }
}
@media (max-width: 30rem) {
  .kpi-grid { grid-template-columns: 1fr; }
}

/* mật khẩu tạm của trang Người dùng: dễ chép, dễ đọc */
.temp-secret { display: inline-block; padding: 0.6rem 0.9rem; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.25rem; letter-spacing: 0.05em; background: var(--th-bg); border: 1px solid var(--border); border-radius: 0.5rem; user-select: all; word-break: break-all; }
.cell-form .user-actions form { min-width: 0; }