/* SendCarrierPacket.com - Shared Styles */
:root {
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-primary: #0ea5e9;
  --color-primary-dark: #0284c7;
  --color-primary-light: #e0f2fe;
  --color-accent: #06b6d4;
  --color-accent-soft: #cffafe;
  --color-success: #10b981;
  --color-success-soft: #d1fae5;
  --color-warm: #f59e0b;
  --color-danger: #ef4444;
  --color-danger-soft: #fef2f2;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-soft: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
}
.btn-primary:hover { transform: translateY(-1px); opacity: 0.95; }
.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(14, 165, 233, 0.3);
}
.btn-secondary:hover { background: rgba(14, 165, 233, 0.15); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-success { background: var(--color-success); color: white; }
.btn-danger { background: var(--color-danger); color: white; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { color: var(--color-text); }

/* Form inputs */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.form-control::placeholder { color: var(--color-text-light); }
.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  margin-top: 0.35rem;
}
.form-hint { font-size: 0.8125rem; color: var(--color-text-muted); margin-top: 0.25rem; }

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
}

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }