:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e3e5e9;
  --text: #1f2328;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #b00020;
  --success: #0a7d2c;
}

* { box-sizing: border-box; }

html, body { width: 100%; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
}

.navbar {
  width: 100%;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

nav {
  display: flex;
  gap: 4px;
  align-items: center;
  font-size: 14px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px;
}
nav a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 6px; }
nav a:hover { background: #f0f1f3; color: var(--text); }
nav a.active { color: var(--accent); background: #eaf1fe; font-weight: 600; }
nav .nav-user { margin-left: auto; color: var(--muted); font-size: 13px; }
nav .logout-link { color: var(--danger); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px 80px;
}

h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--muted); font-size: 14px; margin: 0 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 24px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.card h2 { font-size: 15px; margin: 0 0 4px; }
.card .card-desc { color: var(--muted); font-size: 13px; margin: 0 0 18px; }

label { display: block; font-size: 13px; font-weight: 600; color: #444; margin-bottom: 6px; margin-top: 16px; }
label:first-of-type { margin-top: 0; }

input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
input::placeholder { color: #a3a7ae; }

.field-with-btn { display: flex; gap: 8px; }
.field-with-btn input { flex: 1; min-width: 0; }

button.primary, button.secondary, .icon-btn {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
}
button.primary { background: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-hover); }
button.primary:disabled { background: #93b4ec; cursor: default; }
button.secondary { background: #fff; color: var(--text); border-color: var(--border); }
button.secondary:hover { background: #f5f5f5; }
.icon-btn { flex-shrink: 0; padding: 0 14px; border-color: var(--border); background: #fafafa; color: var(--text); }
.icon-btn:hover { background: #f0f1f3; }

.actions { margin-top: 20px; display: flex; gap: 10px; }

.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.meta { font-size: 12px; color: var(--muted); margin-top: 16px; }
.error { color: var(--danger); font-size: 13px; margin-top: 12px; }
.success { color: var(--success); font-size: 13px; margin-top: 12px; }

pre.result {
  background: #f9fafb;
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 10px;
  white-space: pre-wrap;
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.6;
}

table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.filters input { width: auto; flex: 1; min-width: 140px; }

.pager { margin-top: 16px; display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.auth-container { max-width: 400px; margin: 80px auto; padding: 0 20px; }
.link-row { margin-top: 18px; font-size: 14px; text-align: center; }