:root {
  --bg: #eef1f6;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #0c6e8a;
  --accent-dark: #084d61;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --ok: #067647;
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", monospace;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(12, 110, 138, 0.16), transparent 60%),
    var(--bg);
}

a { color: var(--accent-dark); }

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px 28px 24px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: white;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}

.sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

form { display: grid; gap: 14px; }

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
}

input, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: inherit;
  background: #fff;
}

input:focus, select:focus {
  outline: 2px solid rgba(12, 110, 138, 0.25);
  border-color: var(--accent);
}

button, .btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary { background: var(--accent); color: white; }

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 0 16px;
}

.lang-switch button {
  border: 0;
  border-radius: 0;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 8px 10px;
}

.lang-switch button.is-active {
  background: var(--accent);
  color: #fff;
}

.topbar .lang-switch { margin: 0; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-small { padding: 7px 10px; font-size: 13px; }

.alert {
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 14px;
}

.note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.topbar h1 { font-size: 24px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 16px;
}

.grid-form {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.8fr auto;
  gap: 10px;
  align-items: end;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

.row-actions input, .row-actions select { width: auto; min-width: 0; padding: 7px 8px; }

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  background: #ecfdf3;
  color: var(--ok);
}

.badge.off { background: #f2f4f7; color: #667085; }

.mono { font-family: var(--mono); font-size: 12px; color: var(--muted); }

@media (max-width: 800px) {
  .grid-form { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
}