:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #17212f;
  --muted: #64748b;
  --brand: #0f766e;
  --brand-soft: #ccfbf1;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --warn: #b45309;
  --ok: #15803d;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface-2: #1c232c;
    --border: #2c333d;
    --text: #e6edf3;
    --muted: #9198a1;
    --brand: #2dd4bf;
    --brand-soft: #0f3b37;
    --danger: #f87171;
    --danger-soft: #3b1414;
    --warn: #fbbf24;
    --ok: #4ade80;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, "Noto Sans Arabic", "Geeza Pro", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

.hidden { display: none !important; }

/* ---------------------------------------------------------------- login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  width: min(400px, 100%);
}

.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card p.sub { margin: 0 0 24px; color: var(--muted); font-size: 14px; }

/* --------------------------------------------------------------- layout */
header.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar .brand { font-weight: 700; font-size: 17px; }
.topbar .domain {
  background: var(--brand-soft);
  color: var(--brand);
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  direction: ltr;
}
.topbar .spacer { margin-inline-start: auto; }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 { margin: 0 0 16px; font-size: 16px; }

/* ---------------------------------------------------------------- quota */
.quota-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}

.quota { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.quota .label { font-size: 13px; color: var(--muted); }
.quota .value { font-size: 22px; font-weight: 700; margin: 2px 0 8px; }
.quota .value small { font-size: 14px; font-weight: 400; color: var(--muted); }

.bar { height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--brand); border-radius: 999px; transition: width .3s; }
.bar > i.full { background: var(--danger); }
.bar > i.near { background: var(--warn); }

/* ----------------------------------------------------------------- tabs */
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 16px;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
}
.tabs button.active { background: var(--surface); border-color: var(--border); color: var(--text); font-weight: 600; }

/* ---------------------------------------------------------------- forms */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }

input, select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: transparent; }

.field { margin-bottom: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; align-items: end; }

.suffix-input { display: flex; direction: ltr; }
.suffix-input input { border-start-end-radius: 0; border-end-end-radius: 0; text-align: left; }
.suffix-input span {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-inline-start: 0;
  border-start-end-radius: 8px;
  border-end-end-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

button.btn {
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 9px 20px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.btn:hover { filter: brightness(1.08); }
button.btn:disabled { opacity: .5; cursor: not-allowed; }
button.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.btn.sm { padding: 5px 12px; font-size: 13px; font-weight: 500; }

@media (prefers-color-scheme: dark) {
  button.btn { color: #06231f; }
}

/* --------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: start; padding: 11px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr:last-child td { border-bottom: 0; }
td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; direction: ltr; text-align: start; }
td.actions { white-space: nowrap; }
td.actions button { margin-inline-start: 6px; }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.ok { background: var(--brand-soft); color: var(--brand); }
.pill.off { background: var(--danger-soft); color: var(--danger); }

.empty { padding: 32px; text-align: center; color: var(--muted); }

/* --------------------------------------------------------------- alerts */
.alert { padding: 11px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }
.alert.error { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--brand-soft); color: var(--brand); }

#toast {
  position: fixed;
  inset-block-end: 24px;
  inset-inline-start: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--brand);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 12px 18px;
  max-width: 380px;
  z-index: 50;
}
#toast.error { border-inline-start-color: var(--danger); }