/* -------- Base reset + font ------------------------------------------ */
@import url('https://cdn.jsdelivr.net/npm/inter-ui@4.18.0/inter.min.css');

html, body, #app {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

/* -------- Utilities --------------------------------------------------- */
.bg-gray-100 { background: #f3f4f6; }
.bg-white    { background: #ffffff; }

.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-blue-600 { color: #2563eb; }
.text-red-600  { color: #dc2626; }
.text-green-600 { color: #16a34a; }

.bg-blue-600 { background: #2563eb; }
.bg-blue-700 { background: #1d4ed8; }
.bg-green-600 { background: #16a34a; }
.bg-green-700 { background: #15803d; }

.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:text-red-600:hover  { color: #dc2626; }
.hover\:underline:hover     { text-decoration: underline; }
.hover\:bg-blue-700:hover   { background: #1d4ed8; }
.hover\:bg-green-700:hover  { background: #15803d; }

.shadow { box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }
.border-t { border-top: 1px solid #e5e7eb; }

.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.container { max-width: 1200px; margin: 0 auto; }

.px-4 { padding: 0 1rem; }
.px-6 { padding: 0 1.5rem; }
.py-4 { padding: 1rem 0; }
.py-6 { padding: 1.5rem 0; }
.py-8 { padding: 2rem 0; }

.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.font-bold { font-weight: 700; }

.space-x-6 > * + * { margin-left: 1.5rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }

.border { border: 1px solid #d1d5db; }
.rounded-lg { border-radius: 0.5rem; }

.overflow-hidden { overflow: hidden; }
.min-w-full { min-width: 100%; }
.max-w-md { max-width: 28rem; }
.w-full { width: 100%; }
.gap-4 { gap: 1rem; }
.table-auto { table-layout: auto; }
.border-collapse { border-collapse: collapse; }

/* -------- Components -------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border-radius: 0.375rem;
  font-weight: 600;
  text-align: center;
}
.btn-blue { background: #2563eb; color: #fff; }
.btn-blue:hover { background: #1d4ed8; }
.btn-green { background: #16a34a; color: #fff; }
.btn-green:hover { background: #15803d; }

.input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
}

/* -------- Layout helpers --------------------------------------------- */
.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: #ffffff;
  padding-top: 1.5rem;
  border-right: 1px solid #e5e7eb;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.sidebar img {
  max-height: 72px;
  width: auto;
  display: block;
  margin-bottom: 0.5rem;
}

.sidebar span {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  text-align: center;
  margin-bottom: 0.25rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar a {
  display: block;
  padding: 0.5rem 1rem;
  color: #374151;
  border-radius: 0.375rem;
  transition: background 0.2s, color 0.2s;
}

.sidebar a:hover {
  color: #2563eb;
  background: #f3f4f6;
}

.sidebar a.active {
  background: #e0e7ff;
  color: #1e40af;
  font-weight: 600;
}

/* === Alert helpers ================================================= */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-warning { background: #fef9c3; color: #92400e; }
.alert-danger  { background: #fee2e2; color: #991b1b; }
.alert-info    { background: #dbeafe; color: #1e40af; }