/* КЗПТ Admin Panel — minimal modern UI */
:root {
  --accent: #006EFF;
  --accent-2: #0050C2;
  --accent-light: #E5F0FF;
  --ink: #1F2328;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #ffffff;
  --surface: #f9fafb;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 8px 24px -8px rgba(0,0,0,.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 24px;
  display: flex; align-items: center; gap: 24px;
  box-shadow: var(--shadow-sm);
}
.brand {
  font-weight: 700; font-size: 16px;
  color: var(--ink); text-decoration: none;
}
.topnav { display: flex; gap: 18px; flex: 1; }
.topnav a {
  color: var(--ink); text-decoration: none;
  font-weight: 500; font-size: 14px;
  padding: 4px 0; border-bottom: 2px solid transparent;
}
.topnav a:hover { color: var(--accent); }
.topbar__right { display: flex; gap: 16px; align-items: center; }
.link-muted { color: var(--muted); text-decoration: none; font-size: 14px; }
.link-muted:hover { color: var(--ink); }

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

h1 { font-size: 28px; font-weight: 700; margin: 0 0 8px; }
h2 { font-size: 22px; font-weight: 600; margin: 32px 0 16px; }
h3 { font-size: 17px; font-weight: 600; margin: 24px 0 12px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }

.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  background: #fff; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius);
  font-weight: 500; font-size: 14px;
  cursor: pointer; text-decoration: none;
  transition: background .15s, border-color .15s, transform .1s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn--accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--accent:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn--danger { color: var(--danger); border-color: rgba(220,38,38,.2); }
.btn--danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn--sm { padding: 6px 12px; font-size: 13px; }
.btn--block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; pointer-events: none; }

/* Grid cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.card {
  display: block; padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none; color: var(--ink);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.info-box {
  background: var(--accent-light);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: var(--radius);
}
.info-box h3 { margin-top: 0; }

/* Form */
.form-wide { background: #fff; padding: 24px; border-radius: 10px; border: 1px solid var(--line); }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.form-grid .col-2 { grid-column: 1/-1; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: 14px; }
.form-grid input[type=text],
.form-grid input[type=email],
.form-grid input[type=number],
.form-grid input[type=password],
.form-grid textarea {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit; font-size: 14px;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-grid input:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,110,255,.1);
}
.form-grid small { color: var(--muted); font-size: 12px; font-weight: 400; }
.form-grid textarea { resize: vertical; min-height: 60px; }

input[type=file] {
  padding: 8px; background: var(--surface);
  border: 1px dashed var(--line); border-radius: var(--radius);
  font-size: 13px;
}

/* Checkboxes */
.checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin: 12px 0 24px;
}
.chk { display: flex; align-items: center; gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; }
.chk:hover { border-color: var(--accent); }
.chk input[type=checkbox] { margin: 0; }

/* Specs */
.spec-row, .partner-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 8px;
  margin-bottom: 8px;
}
.spec-row input, .partner-row input {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
}

/* Data table */
.data-table {
  width: 100%;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-collapse: separate; border-spacing: 0;
  margin-top: 16px;
}
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.data-table th { background: var(--surface); font-weight: 600; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table a { color: var(--accent); text-decoration: none; font-weight: 500; }
.data-table a:hover { text-decoration: underline; }
.data-table .actions { text-align: right; white-space: nowrap; }
.data-table .actions form { display: inline; }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert--success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert--error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Login */
.login-wrap {
  min-height: calc(100vh - 80px);
  display: flex; align-items: center; justify-content: center;
}
.login-form {
  width: 360px; padding: 32px;
  background: #fff; border-radius: 12px; border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.login-form h1 { margin: 0 0 4px; }
.login-form label { display: block; margin: 16px 0 8px; font-weight: 500; font-size: 14px; }
.login-form input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; }
.login-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,110,255,.1); }
.login-form .btn { margin-top: 24px; }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal[hidden] { display: none !important; }
.modal__box {
  background: #fff; padding: 24px;
  max-width: 600px; width: 90%;
  max-height: 80vh; overflow-y: auto;
  border-radius: 10px;
}
.modal__box pre {
  background: #1F2328; color: #fff;
  padding: 12px; border-radius: 6px;
  font-size: 12px; line-height: 1.4;
  overflow-x: auto;
  max-height: 300px;
}

@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; gap: 12px; }
  .topnav { width: 100%; gap: 12px; flex-wrap: wrap; }
  .form-grid { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}