/* ===========================================
   Affiliate Protection Service - Main Styles
   =========================================== */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #64748b;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;

  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Monaco, Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* Main Content */
.main {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

/* Sections */
.info-section,
.form-section,
.faq-section {
  margin-bottom: 2rem;
}

.info-section h2,
.form-section h2,
.faq-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

/* Feature List */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Checkbox */
.checkbox-group {
  margin-top: 1.5rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.checkbox-label span {
  font-size: 0.95rem;
}

.checkbox-label a {
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

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

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

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

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

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.alert h2 {
  margin-bottom: 0.5rem;
}

.alert ul {
  margin: 0;
  padding-left: 1.25rem;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

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

.alert-warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* FAQ */
details {
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

summary {
  padding: 1rem;
  cursor: pointer;
  font-weight: 600;
  background: var(--color-bg);
}

summary:hover {
  background: var(--color-border);
}

details[open] summary {
  border-bottom: 1px solid var(--color-border);
}

details p {
  padding: 1rem;
  margin: 0;
}

/* Footer */
.footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
}

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-box {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-form .form-group {
  margin-bottom: 1rem;
}

.login-footer {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* Error Page */
.error-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.error-box {
  text-align: center;
  background: var(--color-surface);
  padding: 3rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.error-box h1 {
  color: var(--color-danger);
  margin-bottom: 1rem;
}

.error-box p {
  margin-bottom: 1.5rem;
}

/* Terms Page */
.terms-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.terms-content ul {
  margin-left: 1.25rem;
  margin-bottom: 1rem;
}

.terms-date {
  margin-top: 2rem;
  color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }

  .main {
    padding: 1.5rem;
  }

  .header h1 {
    font-size: 1.5rem;
  }
}