/* TokenGuard — Global styles */

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

:root {
  --color-primary: #6d28d9;
  --color-danger: #dc2626;
  --color-warning: #f59e0b;
  --color-success: #10b981;
  --color-neutral-900: #111827;
  --color-neutral-50: #f9fafb;
  --color-neutral-200: #e5e7eb;
  --color-neutral-600: #4b5563;
  --spacing-base: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--color-neutral-900);
  background: #f3f4f6;
}

html {
  scroll-behavior: smooth;
}

/* ============ HEADER / NAV ============ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  color: white;
  padding: 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-base) var(--spacing-lg);
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.cta-small {
  background: white;
  color: var(--color-primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.cta-small:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.hero-content {
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-base);
  letter-spacing: -1px;
}

.hero .lead {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-base);
  opacity: 0.95;
}

.hero .subtitle {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.cta {
  display: inline-block;
  background: white;
  color: var(--color-primary);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

/* ============ SECTIONS ============ */

section {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  font-weight: 700;
}

/* ============ CARDS ============ */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-base);
  color: var(--color-primary);
}

.card h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-base) * 0.5;
  color: var(--color-neutral-900);
}

.card p {
  color: var(--color-neutral-600);
  margin-bottom: var(--spacing-base) * 0.5;
}

.card .note {
  font-size: 0.85rem;
  color: var(--color-warning);
  font-weight: 600;
  margin-top: var(--spacing-base);
}

/* ============ FEATURE LIST ============ */

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-base);
}

.feature-list li {
  background: white;
  padding: var(--spacing-base) var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.feature-list strong {
  color: var(--color-primary);
}

/* ============ STEPS ============ */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.steps li {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  counter-increment: step-counter;
}

.steps {
  counter-reset: step-counter;
}

.steps h3::before {
  content: "";
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font-weight: 700;
  margin-right: 10px;
  counter-increment: step-counter;
}

/* ============ FAQ ============ */

.faq {
  background: white;
}

.faq-item {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-neutral-200);
}

.faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.faq-item h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-base) * 0.5;
  font-size: 1.1rem;
}

.faq-item p {
  color: var(--color-neutral-600);
}

/* ============ FOOTER ============ */

footer {
  background: var(--color-neutral-900);
  color: white;
  text-align: center;
  padding: var(--spacing-lg);
  font-size: 0.95rem;
}

/* ============ APP PAGE ============ */

.app-body {
  background: #f3f4f6;
  min-height: 100vh;
}

.app-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
}

.form-panel, .result-panel {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-panel h1 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-base) * 0.5;
}

.form-panel .subtitle {
  color: var(--color-neutral-600);
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
}

label {
  display: block;
  margin-bottom: var(--spacing-base);
  font-weight: 600;
  color: var(--color-neutral-900);
}

input, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-neutral-200);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
}

input::placeholder {
  color: #999;
}

.button-group {
  display: flex;
  gap: var(--spacing-base);
  margin-top: var(--spacing-lg);
}

button {
  flex: 1;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: #5b21b6;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
}

.btn-primary:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-neutral-200);
  color: var(--color-neutral-900);
}

.btn-secondary:hover {
  background: var(--color-neutral-300);
}

/* ============ SPINNER ============ */

.spinner {
  text-align: center;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.spinner p {
  font-size: 1rem;
  color: var(--color-neutral-600);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ============ ERROR MESSAGE ============ */

.error-message {
  background: #fee2e2;
  border-left: 4px solid var(--color-danger);
  color: var(--color-danger);
  padding: var(--spacing-base) var(--spacing-lg);
  border-radius: 6px;
  margin-top: var(--spacing-lg);
  display: none;
}

/* ============ RESULT PANEL ============ */

.result-content {
  display: block;
}

.result-header {
  border-bottom: 2px solid var(--color-neutral-200);
  padding-bottom: var(--spacing-base);
  margin-bottom: var(--spacing-lg);
}

.result-header h2 {
  font-size: 1.8rem;
  margin: 0;
  text-align: left;
}

.risk-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: var(--spacing-base) * 0.5;
}

.risk-badge.high {
  background: #fee2e2;
  color: var(--color-danger);
}

.risk-badge.medium {
  background: #fef3c7;
  color: #92400e;
}

.risk-badge.low {
  background: #d1fae5;
  color: var(--color-success);
}

.result-item {
  background: white;
  padding: var(--spacing-base);
  margin-bottom: var(--spacing-base);
  border-radius: 6px;
  border-left: 4px solid;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-item.pass {
  border-color: var(--color-success);
  background: #f0fdf4;
}

.result-item.fail {
  border-color: var(--color-danger);
  background: #fef2f2;
}

.result-item.warn {
  border-color: var(--color-warning);
  background: #fffbeb;
}

.result-item-label {
  font-weight: 600;
  color: var(--color-neutral-900);
}

.result-item-value {
  font-size: 0.9rem;
  font-weight: 600;
}

.result-item.pass .result-item-value {
  color: var(--color-success);
}

.result-item.fail .result-item-value {
  color: var(--color-danger);
}

.result-item.warn .result-item-value {
  color: var(--color-warning);
}

.result-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-neutral-200);
}

.result-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-base);
  color: var(--color-neutral-900);
}

.pro-feature-hint {
  background: #f9fafb;
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-base);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-top: var(--spacing-base);
}

/* ============ NO-PRINT ============ */

@media print {
  .no-print {
    display: none;
  }
  .no-print-layout {
    display: block;
  }
}

/* ============ RESPONSIVE ============ */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero .lead {
    font-size: 1rem;
  }
  section {
    padding: var(--spacing-lg) var(--spacing-base);
  }
  .cards {
    grid-template-columns: 1fr;
  }
}