/* Rảnh Tay — Quản trị · dark green, khớp brand hệ sinh thái */
:root {
  --bg: #060d0a;
  --bg-2: #0d1712;
  --surface: #101c16;
  --hairline: rgba(255,255,255,.10);
  --hairline-2: rgba(255,255,255,.20);
  --ink: #eaf3ee;
  --ink-muted: #8b978f;
  --ink-dim: #6b766f;
  --brand: #3fb984;
  --brand-2: #22624a;
  --on-brand: #04140d;
  --danger: #ff8a7a;
  --warn: #ffcf6b;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 14px;
  --radius-pill: 999px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, rgba(63,185,132,.10), transparent 60%), var(--bg);
  color: var(--ink); font-family: var(--font-body); font-size: 14px; line-height: 1.5;
  min-height: 100vh;
}
b { font-weight: 700; }
.muted { color: var(--ink-muted); }

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 22px;
  background: color-mix(in oklab, var(--bg-2) 82%, transparent);
  backdrop-filter: blur(18px) saturate(1.6);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--brand), var(--brand-2));
  color: var(--on-brand); font-weight: 800; font-size: 16px;
}
.brand-words { display: flex; flex-direction: column; line-height: 1.15; }
.brand-words b { font-family: var(--font-display); font-size: 15px; letter-spacing: -.01em; }
.brand-words small { color: var(--ink-muted); font-size: 11.5px; letter-spacing: .02em; }

/* Layout */
.wrap { max-width: 1240px; margin: 0 auto; padding: 26px 22px 80px; }

/* States (loading/gate) */
.state { text-align: center; padding: 90px 20px; max-width: 460px; margin: 0 auto; }
.state h1 { font-family: var(--font-display); font-size: 26px; margin: 0 0 10px; }
.gate-mark { font-size: 46px; margin-bottom: 14px; }
.spinner {
  width: 34px; height: 34px; border-radius: 50%; margin: 0 auto 16px;
  border: 3px solid var(--hairline); border-top-color: var(--brand);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 40px; padding: 0 18px; border-radius: var(--radius-pill);
  border: 1px solid var(--hairline-2); background: transparent; color: var(--ink);
  font: 600 13.5px var(--font-body); cursor: pointer; transition: .15s;
}
.btn:hover { border-color: var(--brand); }
.btn-primary { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-line:hover { background: color-mix(in oklab, var(--ink) 6%, transparent); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 12.5px; }
.btn-danger { color: var(--danger); border-color: color-mix(in oklab, var(--danger) 40%, transparent); }
.btn-danger:hover { background: color-mix(in oklab, var(--danger) 12%, transparent); border-color: var(--danger); }

/* Stats row */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 4px 0 22px; }
.stat {
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: var(--radius); padding: 16px 18px;
}
.stat .n { font-family: var(--font-display); font-size: 30px; font-weight: 700; line-height: 1; }
.stat .l { color: var(--ink-muted); font-size: 12px; margin-top: 6px; text-transform: uppercase; letter-spacing: .06em; }
.stat.admin .n { color: var(--brand); }

/* Toolbar */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar h2 { font-family: var(--font-display); font-size: 18px; margin: 0; margin-right: auto; }
.search {
  height: 40px; min-width: 260px; padding: 0 14px; border-radius: var(--radius);
  border: 1px solid var(--hairline-2); background: color-mix(in oklab, #000 22%, transparent);
  color: var(--ink); font: inherit;
}
.search:focus { outline: none; border-color: var(--brand); }
.filter { display: inline-flex; gap: 6px; }
.chip {
  height: 34px; padding: 0 13px; border-radius: var(--radius-pill);
  border: 1px solid var(--hairline); background: transparent; color: var(--ink-muted);
  font: 600 12.5px var(--font-body); cursor: pointer; transition: .15s;
}
.chip[aria-pressed="true"] { color: var(--on-brand); background: var(--brand); border-color: var(--brand); }

/* Table */
.tbl-wrap { border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.tbl-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 860px; }
thead th {
  text-align: left; font: 600 11.5px var(--font-body); text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-dim); padding: 12px 16px; border-bottom: 1px solid var(--hairline); white-space: nowrap;
}
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--hairline); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: color-mix(in oklab, var(--brand) 5%, transparent); }
.u-cell { display: flex; align-items: center; gap: 11px; }
.u-av {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  background: var(--brand-2); color: var(--ink); background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px;
}
.u-name { font-weight: 600; }
.u-email { color: var(--ink-muted); font-size: 12.5px; }
.role-sel {
  height: 32px; padding: 0 8px; border-radius: 9px; border: 1px solid var(--hairline-2);
  background: var(--bg-2); color: var(--ink); font: 600 12.5px var(--font-body); cursor: pointer;
}
.role-sel[data-role="admin"] { border-color: var(--brand); color: var(--brand); }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
  background: color-mix(in oklab, var(--ink) 8%, transparent); color: var(--ink-muted); }
/* Quyền hệ thống toggle */
.adm-toggle { height: 30px; padding: 0 12px; border-radius: var(--radius-pill); border: 1px solid var(--hairline-2);
  background: transparent; color: var(--ink-muted); font: 700 12px var(--font-body); cursor: pointer; white-space: nowrap; transition: .15s; }
.adm-toggle:hover { border-color: var(--brand); }
.adm-toggle.on { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }

/* Gói theo app — ma trận ĐA-BẬC (dropdown) */
.hint { color: var(--ink-dim); font-size: 11.5px; margin: -6px 0 14px; max-width: 900px; }
.apps-cell { display: flex; flex-wrap: wrap; gap: 8px; }
.app-tier { display: inline-flex; flex-direction: column; gap: 3px;
  padding: 5px 8px 6px; border-radius: 10px; border: 1px solid var(--hairline-2); background: color-mix(in oklab,#000 20%,transparent); transition: .14s; }
.app-tier:hover { border-color: var(--brand); }
.app-tier .at-name { font: 600 10px var(--font-body); color: var(--ink-muted); letter-spacing: .02em; white-space: nowrap; }
.app-tier .at-soon { color: var(--warn); font-weight: 800; }
.app-tier .at-sel { appearance: none; -webkit-appearance: none; border: none; outline: none; cursor: pointer;
  background: transparent; color: var(--ink-dim); font: 700 12.5px var(--font-body); padding: 0 2px; text-transform: capitalize; }
.app-tier .at-sel option { background: var(--bg-2); color: var(--ink); text-transform: capitalize; }
.app-tier.paid { border-color: var(--brand); background: color-mix(in oklab, var(--brand) 15%, transparent); }
.app-tier.paid .at-sel { color: var(--brand); }
.app-tier.paid .at-name { color: color-mix(in oklab, var(--brand) 70%, var(--ink)); }
.app-tier.unwired { border-style: dashed; }
.app-tier.none { opacity: .5; }
.app-tier .at-empty { font: 600 11px var(--font-body); color: var(--ink-dim); white-space: nowrap; }

.credits { font-variant-numeric: tabular-nums; white-space: nowrap; }
.credits .plan { color: var(--brand); } .credits .top { color: var(--warn); }
.when { color: var(--ink-muted); font-size: 12.5px; white-space: nowrap; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* Toast */
#toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: var(--bg-2); border: 1px solid var(--hairline-2); color: var(--ink);
  padding: 12px 18px; border-radius: 12px; font-size: 13px; opacity: 0; pointer-events: none;
  transition: .25s; box-shadow: 0 20px 50px -18px rgba(0,0,0,.7); z-index: 9200; max-width: 90vw; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: color-mix(in oklab, var(--danger) 50%, transparent); }
#toast.ok { border-color: color-mix(in oklab, var(--brand) 50%, transparent); }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .search { min-width: 0; flex: 1; }
}