/* ===========================
   Global Styles
   =========================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --light-bg: #f8fafc;
  --border-color: #e2e8f0;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --border-radius: 6px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1d4ed8;
}

/* ===========================
   Layout
   =========================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content {
  padding: 2rem 0;
}

/* ===========================
   Navbar
   =========================== */

nav {
  background-color: white;
  box-shadow: var(--shadow);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: var(--text-dark);
  font-weight: 500;
  margin: 0 1.5rem;
  transition: color 0.2s ease;
}

nav a:first-child {
  margin-left: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

nav a:hover {
  color: var(--primary-color);
}

/* ===========================
   Cards
   =========================== */

.card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  margin: 0;
  font-size: 1.25rem;
}

.card-body {
  padding: 0;
}

.card-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* ===========================
   Forms
   =========================== */

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-text {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

/* ===========================
   Buttons
   =========================== */

button,
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  display: inline-block;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: #1d4ed8;
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background-color: #475569;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

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

.btn-success {
  background-color: var(--success-color);
  color: white;
}

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===========================
   Tables
   =========================== */

table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
}

thead {
  background-color: var(--light-bg);
  border-bottom: 2px solid var(--border-color);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
  background-color: var(--light-bg);
}

/* ===========================
   Alerts
   =========================== */

.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-info {
  background-color: #eff6ff;
  border-color: var(--primary-color);
  color: #1e40af;
}

.alert-success {
  background-color: #f0fdf4;
  border-color: var(--success-color);
  color: #166534;
}

.alert-warning {
  background-color: #fffbeb;
  border-color: var(--warning-color);
  color: #92400e;
}

.alert-danger {
  background-color: #fef2f2;
  border-color: var(--danger-color);
  color: #991b1b;
}

/* ===========================
   Lead UI helpers
   =========================== */

.status-pill {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-legal {
  background-color: #dcfce7;
  color: #166534;
}

.status-neutral {
  background-color: #fef9c3;
  color: #854d0e;
}

.status-illegal {
  background-color: #fee2e2;
  color: #991b1b;
}

.compliance-list {
  margin: 0.5rem 0 0 1.25rem;
}

.compliance-list li {
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

/* ===========================
   Utilities
   =========================== */

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

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--text-light);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.rounded {
  border-radius: var(--border-radius);
}

.cursor-pointer {
  cursor: pointer;
}

.d-none {
  display: none;
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  nav .container {
    flex-direction: column;
    gap: 1rem;
  }

  nav a {
    margin: 0.5rem;
  }

  .container {
    padding: 0 1rem;
  }

  .content {
    padding: 1rem 0;
  }
}