/*
  KIT Scan – Admin Web (from Design wireframes)
  VW corporate identity: navy #001E50
*/

:root {
  --vw-navy: #001E50;
  --vw-navy-light: #003366;
  --vw-white: #ffffff;
  --vw-gray-bg: #f0f0f0;
  --vw-gray-bar: #e0e0e0;
  --vw-gray-text: #333333;
  --vw-gray-muted: #666666;
  --vw-green: #00843d;
  --vw-green-light: #e6f4ec;
  --vw-red: #c00;
  --vw-red-bg: #fce8e8;
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  color: var(--vw-gray-text);
  background: var(--vw-gray-bg);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
  background: var(--vw-navy);
  color: var(--vw-white);
}

.app-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.app-header a { color: inherit; text-decoration: none; }

.app-brand {
  font-size: 0.75rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-actions a { color: var(--vw-white); font-size: 0.9rem; }

.layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 56px);
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--vw-white);
  border-right: 1px solid var(--vw-gray-bar);
  padding: 16px 0;
}

.sidebar-nav { list-style: none; margin: 0; padding: 0; }

.sidebar-nav a {
  display: block;
  padding: 10px 20px;
  color: var(--vw-gray-text);
  text-decoration: none;
  font-size: 0.95rem;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--vw-gray-bg);
  color: var(--vw-navy);
}

.sidebar-nav a.active {
  background: var(--vw-gray-bg);
  color: var(--vw-navy);
  border-left-color: var(--vw-navy);
  font-weight: 600;
}

.main {
  flex: 1;
  overflow: auto;
  padding: 24px 32px;
  background: var(--vw-gray-bg);
}

.page-title {
  margin: 0 0 20px;
  font-size: 1.35rem;
  color: var(--vw-navy);
  border-bottom: 2px solid var(--vw-navy);
  padding-bottom: 8px;
}

.card {
  background: var(--vw-white);
  border: 1px solid var(--vw-gray-bar);
  border-radius: 4px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.card h3 { margin: 0 0 12px; font-size: 1.1rem; }

.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  font-size: 0.9rem;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  max-width: 360px;
  padding: 8px 12px;
  font-size: 1rem;
  border: 1px solid #999;
  border-radius: 4px;
}
.form-actions { margin-top: 20px; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  color: var(--vw-white);
  background: var(--vw-navy);
}
.btn:hover { background: var(--vw-navy-light); color: var(--vw-white); }
.btn-secondary { background: var(--vw-gray-muted); }
.btn-secondary:hover { background: #555; color: #fff; }
.btn-success { background: var(--vw-green); }
.btn-success:hover { background: #006b33; color: #fff; }
.btn-danger { background: var(--vw-red); }
.btn-danger:hover { background: #a00; color: #fff; }
.btn + .btn { margin-left: 10px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--vw-gray-bar);
  border-radius: 4px;
  background: var(--vw-white);
}
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table-wrap th, .table-wrap td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--vw-gray-bar);
}
.table-wrap th { background: var(--vw-gray-bar); font-weight: 600; }
.table-wrap tbody tr:hover { background: var(--vw-gray-bg); }
.table-wrap .actions a { margin-right: 10px; color: var(--vw-navy); text-decoration: none; }
.table-wrap .actions a:hover { text-decoration: underline; }

.dashboard-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.dashboard-links a {
  display: block;
  padding: 20px;
  background: var(--vw-white);
  border: 1px solid var(--vw-gray-bar);
  border-radius: 4px;
  color: var(--vw-navy);
  text-decoration: none;
  font-weight: 600;
}
.dashboard-links a:hover { border-color: var(--vw-navy); background: var(--vw-gray-bg); }

.alert {
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: 4px;
  font-size: 0.95rem;
}
.alert-info { background: var(--vw-green-light); border: 1px solid var(--vw-green); }
.alert-warning { background: #fff3cd; border: 1px solid #ffc107; }
.alert-danger { background: var(--vw-red-bg); border: 1px solid var(--vw-red); }
.field-validation-error { color: var(--vw-red); font-size: 0.85rem; }

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--vw-white);
  border: 1px solid var(--vw-gray-bar);
  border-radius: 8px;
  padding: 32px;
}