/* Custom CSS that mimics Tailwind */
body {
  background-color: white;
  color: black;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.gap-4 {
  gap: 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 1.875rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

/* Buttons */
button, .btn {
  display: inline-block;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: #3b82f6;
  color: white;
}

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-secondary {
  background-color: #10b981;
  color: white;
}

.btn-secondary:hover {
  background-color: #059669;
}

.btn-danger {
  background-color: #ef4444;
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
}

/* Cards */
.card {
  background-color: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Navbar & Sidebar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: white;
  height: 64px;
  padding: 0 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.sidebar {
  width: 250px;
  background-color: white;
  height: calc(100vh - 64px);
  padding: 1rem;
  border-right: 1px solid #e5e7eb;
}

.sidebar a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: #374151;
  text-decoration: none;
  border-radius: 0.375rem;
  margin-bottom: 0.25rem;
}

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

.sidebar a.active {
  background-color: #f0f9ff;
  color: #3b82f6;
}

/* Form elements */
input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid #d1d5db;
  margin-bottom: 1rem;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

table th,
table td {
  padding: 0.75rem;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
}

table th {
  font-weight: 600;
  background-color: #f9fafb;
}

/* Spacing utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }

/* Sizes */
.w-full { width: 100%; }
.w-half { width: 50%; }
.w-third { width: 33.333333%; }
.w-two-thirds { width: 66.666667%; }
.w-quarter { width: 25%; }
.w-three-quarters { width: 75%; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* Text sizes */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

/* Text colors */
.text-black { color: black; }
.text-white { color: white; }
.text-blue-500 { color: #3b82f6; }
.text-red-500 { color: #ef4444; }
.text-green-500 { color: #10b981; }

/* Background colors */
.bg-white { background-color: white; }
.bg-black { background-color: black; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-700 { background-color: #1d4ed8; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-700 { background-color: #b91c1c; }
.bg-green-500 { background-color: #10b981; }
.bg-green-700 { background-color: #047857; }

/* Rounded corners */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* Fix for oversized icons */
svg, img {
  width: auto;
  height: auto;
  max-width: 24px;
  max-height: 24px;
}

.icon-md svg, .icon-md img {
  max-width: 32px;
  max-height: 32px;
}

.icon-lg svg, .icon-lg img {
  max-width: 48px;
  max-height: 48px;
}

/* Loading spinner */
.spinner {
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top: 3px solid #3b82f6;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}