/* Obeon Light Theme - Original Style */
:root {
  --bg: #fafbfc;
  --card: #ffffff;
  --navy-primary: #0d2847;
  --navy-dark: #0a1f3d;
  --turquoise-primary: #4fd1c5;
  --turquoise-dark: #3ab0a5;
  --turquoise-bright: #5ce1e6;
  
  --text: #1a202c;
  --text-gray: #4a5568;
  --text-light: #718096;
  --text-medium: #6b7280;
  --text-muted: #9ca3af;
  
  --border-light: #e2e8f0;
  --border: #cbd5e0;
  
  --bg-light-gray: #f7fafc;
  --bg-turquoise-tint: #e6f7f5;
  
  --success-green: #10b981;
  --success-bg: #d1fae5;
  --error-red: #ef4444;
  --error-bg: #fee2e2;
  --warning-orange: #f59e0b;
  --warning-bg: #fed7aa;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --max-width: 1080px;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
}

.narrow {
  max-width: 700px;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  margin: 0 0 16px;
  color: var(--navy-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  color: var(--navy-primary);
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 1.4rem;
}

h3 {
  color: var(--turquoise-primary);
  font-weight: 600;
  margin-top: 16px;
  margin-bottom: 8px;
}

.subtitle {
  margin: 0 0 24px;
  color: var(--text-gray);
  font-size: 1rem;
  line-height: 1.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.card {
  display: block;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border-light);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--turquoise-primary);
  transform: translateY(-2px);
}

.panel {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius-lg);
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 16px 0;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
}

.form input,
.form select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: white;
  color: var(--text);
  font-size: 15px;
  transition: all 0.2s ease;
}

.form input:focus,
.form select:focus,
input:focus,
select:focus {
  outline: none;
  border-color: var(--turquoise-primary);
  box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.grid3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

fieldset {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin: 20px 0;
  background: var(--card);
}

fieldset legend {
  font-weight: 600;
  padding: 0 8px;
  color: var(--navy-primary);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
  text-align: center;
}

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

.btn.primary:hover {
  background: var(--turquoise-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 209, 197, 0.3);
}

.btn.secondary {
  background: white;
  color: var(--turquoise-primary);
  border: 2px solid var(--turquoise-primary);
}

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

.alert {
  padding: 16px;
  border-radius: var(--radius-md);
  margin: 16px 0;
  border-left: 4px solid;
}

.alert.success {
  background: var(--success-bg);
  border-left-color: var(--success-green);
  color: #065f46;
}

.alert.error {
  background: var(--error-bg);
  border-left-color: var(--error-red);
  color: #991b1b;
}

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

.alert.info {
  background: var(--bg-turquoise-tint);
  border-left-color: var(--turquoise-primary);
  color: #0e7490;
}

ul, ol {
  margin: 12px 0;
  padding-left: 24px;
  color: var(--text-gray);
}

li {
  margin: 8px 0;
}

a {
  color: var(--turquoise-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  color: var(--text-light);
  font-size: 0.9rem;
}

small {
  color: var(--text-light);
  font-size: 0.85rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th {
  background: var(--bg-light-gray);
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--navy-primary);
  border-bottom: 2px solid var(--border);
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-gray);
}

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

@media (max-width: 768px) {
  .grid2,
  .grid3,
  .form-row {
    grid-template-columns: 1fr;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .container {
    margin: 20px auto;
    padding: 0 16px;
  }
}