:root {
  --bg: #f5f5f7; --card: #ffffff; --text: #1d1d1f; --muted: #6e6e73; --line: #e5e5ea;
  --blue: #0071e3; --blue-hover: #0077ed; --green: #1a9d3f; --red: #d70015; --soft: #f0f0f3;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 30px rgba(0,0,0,.06);
  --nav: rgba(255,255,255,.72);
}
/* theme: data-theme = auto | light | dark (set by theme-init.js) */
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --bg: #000; --card: #1c1c1e; --text: #f5f5f7; --muted: #98989d; --line: #2c2c2e;
    --blue: #2997ff; --blue-hover: #4aa8ff; --green: #30d158; --red: #ff453a; --soft: #2c2c2e;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.4); --nav: rgba(28,28,30,.72);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --bg: #000; --card: #1c1c1e; --text: #f5f5f7; --muted: #98989d; --line: #2c2c2e;
    --blue: #2997ff; --blue-hover: #4aa8ff; --green: #30d158; --red: #ff453a; --soft: #2c2c2e;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.4); --nav: rgba(28,28,30,.72);
    color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.47 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
h1, h2 { letter-spacing: -.02em; margin: 0; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 380px; text-align: center; }
.logo { width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 22px; display: grid; place-items: center;
  background: linear-gradient(135deg, #0a84ff, #5e5ce6); color: #fff; box-shadow: 0 10px 30px rgba(10,132,255,.35); }
.logo svg { width: 32px; height: 32px; }
.login-card h1 { font-size: 32px; font-weight: 700; margin-bottom: 6px; }
.login-card p { color: var(--muted); margin: 0 0 26px; }
.login-card form { display: grid; gap: 10px; }
.lang { position: fixed; top: 16px; right: 16px; }
.btn.danger-solid { background: var(--red); }
.btn.danger-solid:hover { background: var(--red); opacity: .9; }

/* ---------- controls ---------- */
input[type=text], input[type=password], input[type=number], select {
  width: 100%; padding: 13px 15px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 20%, transparent); }
.btn {
  border: 0; border-radius: 980px; padding: 10px 20px; background: var(--blue); color: #fff; cursor: pointer;
  font-weight: 500; transition: background .15s, transform .05s, opacity .15s; white-space: nowrap;
}
.btn:hover { background: var(--blue-hover); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.big { padding: 13px 20px; border-radius: 12px; font-size: 16px; }
.btn.ghost { background: var(--soft); color: var(--text); }
.btn.ghost:hover { background: var(--line); }
.btn.danger { background: transparent; color: var(--red); }
.btn.danger:hover { background: color-mix(in srgb, var(--red) 12%, transparent); }
.btn.sm { padding: 6px 13px; font-size: 13px; }
.error { color: var(--red); min-height: 20px; font-size: 14px; }

/* ---------- shell ---------- */
.nav {
  position: sticky; top: 0; z-index: 10; background: var(--nav);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-in { max-width: 1240px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 22px; }
.brand { font-weight: 700; letter-spacing: -.02em; font-size: 17px; display: flex; align-items: center; gap: 9px; }
.brand .logo { width: 28px; height: 28px; margin: 0; border-radius: 8px; box-shadow: none; }
.brand .logo svg { width: 16px; height: 16px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tab { border: 0; background: transparent; padding: 7px 14px; border-radius: 980px; cursor: pointer; color: var(--muted); font-weight: 500; }
.tab:hover { color: var(--text); }
.tab.active { background: var(--soft); color: var(--text); }
.right { display: flex; align-items: center; gap: 12px; }
.pill { background: var(--soft); border-radius: 980px; padding: 6px 14px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pill small { color: var(--muted); font-weight: 500; margin-right: 6px; }
.who { color: var(--muted); font-size: 14px; }

main { max-width: 1240px; margin: 0 auto; padding: 28px 24px 80px; }
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.head h2 { font-size: 30px; font-weight: 700; }
.head .sub { color: var(--muted); margin-top: 2px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.banner { background: color-mix(in srgb, var(--red) 12%, var(--card)); color: var(--red); border-radius: 14px; padding: 12px 16px; margin-bottom: 18px; font-weight: 500; }

.card { background: var(--card); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 14px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 13px 16px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--soft) 55%, transparent); }
td.num, th.num { text-align: right; }
td.chk, th.chk { width: 44px; padding-right: 0; }
.empty td { text-align: center; color: var(--muted); padding: 46px 16px; }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--blue); cursor: pointer; }
.date-new { color: var(--text); }
.date-old { color: var(--green); font-weight: 500; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 980px; font-size: 12px; font-weight: 600; background: var(--soft); }
.badge.admin { background: color-mix(in srgb, #bf5af2 18%, transparent); color: #bf5af2; }
.badge.seller { background: color-mix(in srgb, var(--blue) 16%, transparent); color: var(--blue); }
.badge.buyer { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green); }
.badge.blocked { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }
.muted { color: var(--muted); }
.chips { display: flex; gap: 4px; flex-wrap: wrap; }
.chips .badge { font-weight: 500; }
.actions { display: flex; gap: 2px; justify-content: flex-end; flex-wrap: nowrap; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--card); border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow); }
.stat .v { font-size: 30px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: 13px; }

/* ---------- modal / toast ---------- */
.overlay { position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px; animation: fade .15s ease; }
.modal { width: 100%; max-width: 420px; background: var(--card); border-radius: 22px; padding: 26px; box-shadow: 0 30px 80px rgba(0,0,0,.35); animation: pop .18s ease; }
.modal h3 { margin: 0 0 4px; font-size: 21px; letter-spacing: -.02em; }
.modal p { color: var(--muted); margin: 0 0 18px; }
.modal .fields { display: grid; gap: 10px; margin-bottom: 18px; }
.modal label { font-size: 13px; color: var(--muted); display: grid; gap: 5px; }
.modal .row { display: flex; gap: 10px; justify-content: flex-end; }
.formats { display: grid; gap: 10px; margin-bottom: 14px; }
.fmt { display: flex; align-items: center; justify-content: space-between; text-align: left; width: 100%; border: 1px solid var(--line);
  background: var(--card); border-radius: 14px; padding: 15px 18px; cursor: pointer; font-weight: 600; transition: border-color .15s, background .15s; }
.fmt:hover { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 6%, var(--card)); }
.fmt small { display: block; color: var(--muted); font-weight: 400; }
.drop { border: 1.5px dashed var(--line); border-radius: 14px; padding: 26px; text-align: center; color: var(--muted); cursor: pointer; transition: .15s; }
.drop:hover, .drop.over { border-color: var(--blue); color: var(--blue); }
.hint { font-size: 12.5px; color: var(--muted); line-height: 1.5; background: var(--soft); border-radius: 12px; padding: 10px 12px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 100; background: var(--text); color: var(--bg);
  padding: 12px 20px; border-radius: 980px; font-weight: 500; box-shadow: 0 10px 30px rgba(0,0,0,.3); animation: pop .2s ease; max-width: 90vw; }
.toast.err { background: var(--red); color: #fff; }
@keyframes fade { from { opacity: 0 } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98) } }
.toast { animation-name: toastin; }
@keyframes toastin { from { opacity: 0; transform: translate(-50%, 8px) } }

@media (max-width: 720px) {
  .nav-in { flex-wrap: wrap; gap: 8px 12px; padding: 10px 16px; }
  .tabs { order: 3; flex-basis: 100%; overflow-x: auto; }
  main { padding: 20px 14px 80px; }
  .head h2 { font-size: 25px; }
  .who { display: none; }
}

/* ---------- branding / theme / impersonation / settings ---------- */
.logo.custom { background: transparent; box-shadow: none; overflow: hidden; }
.logo.custom img { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; display: block; }
.brand .logo.custom { background: transparent; }
.imp-bar { position: sticky; top: 0; z-index: 20; background: #ff9f0a; color: #1d1d1f; display: flex; gap: 14px; align-items: center;
  justify-content: center; padding: 8px 16px; font-weight: 600; flex-wrap: wrap; }
.imp-bar .btn { background: #1d1d1f; color: #fff; }
.imp-bar ~ .nav { top: 46px; }
.settings { display: grid; gap: 16px; max-width: 760px; }
.set-card { background: var(--card); border-radius: 18px; box-shadow: var(--shadow); padding: 22px 24px; display: grid; gap: 14px; }
.set-card h3 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.set-card .row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.set-card label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.preview { width: 72px; height: 72px; border-radius: 16px; background: var(--soft); display: grid; place-items: center; overflow: hidden; color: var(--muted); font-size: 12px; flex: none; }
.preview.wide { width: 160px; height: 90px; border-radius: 12px; }
.preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.setbtn { border: 1px dashed var(--muted); background: transparent; color: var(--blue); }
input[type=color] { width: 46px; height: 38px; padding: 2px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); cursor: pointer; }

/* ---------- actions dropdown ---------- */
.menu-btn { display: inline-flex; align-items: center; gap: 6px; }
.menu-btn .caret { font-size: 11px; opacity: .7; transition: transform .15s; }
.menu-btn.open { background: var(--line); }
.menu-btn.open .caret { transform: rotate(180deg); }
.menu { position: fixed; z-index: 60; min-width: 210px; padding: 6px; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: 0 18px 50px rgba(0,0,0,.28); animation: pop .12s ease; }
.menu-item { display: block; width: 100%; text-align: left; border: 0; background: transparent; color: var(--text); cursor: pointer;
  padding: 9px 12px; border-radius: 9px; font-size: 14px; white-space: nowrap; }
.menu-item:hover, .menu-item:focus-visible { background: var(--soft); outline: none; }
.menu-item.danger { color: var(--red); }
.menu-item.danger:hover { background: color-mix(in srgb, var(--red) 12%, transparent); }
.menu-sep { height: 1px; background: var(--line); margin: 5px 4px; }