@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg-color: #FAFAFB;
  --surface-color: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-md: 8px;
  --radius-lg: 12px;
  --primary-color: #2563EB;
  --primary-hover: #1D4ED8;
  --danger-color: #DC2626;
  --danger-hover: #B91C1C;
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-primary);
}

/* Header */
.site-header {
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 32px;
  width: auto;
  border-radius: 4px;
}

.brand span {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-link:hover {
  background-color: var(--bg-color);
  color: var(--text-primary);
}

.nav-link.active {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-weight: 600;
}

/* Main Layout */
.main-content {
  max-width: 1400px;
  margin: 32px auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  gap: 8px;
}

.btn:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

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

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

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

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

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

/* Inputs */
.input-group {
  margin-bottom: 16px;
}

.input-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--focus-ring);
}

/* Card styling */
.card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

/* Coming Soon Pages */
.coming-soon-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  text-align: center;
}

.coming-soon-container h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.coming-soon-container p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 400px;
}

/* Utility */
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.text-center { text-align: center; }
.flex { display: flex; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }