:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --border-card: #e2e8f0;
  --border-hover: #cbd5e1;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #059669;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border-card);
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-badge {
  background: var(--primary-light);
  border: 1px solid #bfdbfe;
  color: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease;
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-btn {
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}

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

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.2rem 1.5rem 3.5rem 1.5rem;
}

/* Corporate Card */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 1.8rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-card);
}

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

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

.btn-success:hover {
  background: #047857;
}

/* Forms */
.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #334155;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.92rem;
  padding: 0.68rem 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* QR Card Styling */
.qr-frame {
  background: #f8fafc;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.qr-canvas-holder {
  background: #ffffff;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  display: inline-block;
  line-height: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* Badge / Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-success {
  background: var(--success-bg);
  color: #065f46;
  border: 1px solid var(--success-border);
}

.badge-primary {
  background: var(--primary-light);
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-card);
  margin-top: 4rem;
  background: #ffffff;
}