:root {
  --primary: #029fb2;
  --primary-hover: #027f8e;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
}

.top-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  margin-left: 20px;
  transition: color 0.2s ease;
}

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

.container {
  max-width: 680px;
  margin: 40px auto;
  padding: 0 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.form-header {
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 16px;
}

.form-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

.form-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.form-section {
  margin-top: 24px;
}

.section-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
input[type="file"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 159, 178, 0.15);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background-color: var(--primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  margin-top: 12px;
  transition: background-color 0.2s ease;
}

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

.alert {
  padding: 14px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}