/* ============================================
   Spark Membership SMS Opt-In Prototype
   Shared Styles — Spark Membership Brand
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&display=swap');

:root {
  --color-primary: #EA5E58;
  --color-primary-hover: #D94E48;
  --color-primary-light: #FFF1F0;
  --color-accent: #6EC1E4;
  --color-accent-hover: #5AB3D8;
  --color-text: #0A1D27;
  --color-text-secondary: #54595F;
  --color-text-muted: #A9ADB2;
  --color-border: #E4E4E4;
  --color-border-focus: #6EC1E4;
  --color-bg: #FFFFFF;
  --color-bg-page: #FAFAFB;
  --color-bg-dark: #0A1D27;
  --color-success: #61CE70;
  --color-success-light: #EDFBEF;
  --color-warning: #E8A446;
  --color-error: #EA5E58;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0px 10px 60px rgba(0, 0, 0, 0.04);
  --max-width: 640px;
  --max-width-legal: 720px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg-page);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---- Layout ---- */

.page-wrapper {
  width: 100%;
  max-width: var(--max-width);
  padding: 40px 24px 60px;
}

.page-wrapper.legal {
  max-width: var(--max-width-legal);
}

/* ---- Card ---- */

.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px 32px;
}

@media (max-width: 480px) {
  .card {
    padding: 28px 20px;
  }
}

/* ---- Header / Branding ---- */

.brand-header {
  text-align: center;
  margin-bottom: 28px;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.powered-by {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.powered-by strong {
  color: var(--color-text-secondary);
  font-weight: 700;
}

/* ---- Form Elements ---- */

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.text-input {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  margin-bottom: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.text-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(110, 193, 228, 0.2);
}

.text-input::placeholder {
  color: var(--color-text-muted);
}

.text-input.error {
  border-color: var(--color-error);
}

.name-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 0;
}

.name-field {
  flex: 1;
}

.name-field .text-input {
  margin-bottom: 16px;
}

.phone-input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.country-select {
  flex: 0 0 100px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2354595F' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.phone-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.phone-input:focus,
.country-select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(110, 193, 228, 0.2);
}

.phone-input::placeholder {
  color: var(--color-text-muted);
}

.phone-input.error {
  border-color: var(--color-error);
}

.error-message {
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: -14px;
  margin-bottom: 12px;
  display: none;
}

.error-message.visible {
  display: block;
}

/* ---- Checkboxes ---- */

.checkbox-group {
  margin-bottom: 12px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, border-color 0.2s ease;
  font-weight: 400;
  margin-bottom: 0;
}

.checkbox-label:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-text {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* Colored checkbox variants */
.checkbox-transactional {
  border-left: 4px solid #EA5E58;
}

.checkbox-transactional input[type="checkbox"] {
  accent-color: #EA5E58;
}

.checkbox-marketing {
  border-left: 4px solid #61CE70;
}

.checkbox-marketing input[type="checkbox"] {
  accent-color: #61CE70;
}

.checkbox-terms {
  border-left: 4px solid #6EC1E4;
}

.checkbox-terms input[type="checkbox"] {
  accent-color: #6EC1E4;
}

.checkbox-terms a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.checkbox-terms a:hover {
  color: var(--color-accent-hover);
}

/* ---- Buttons ---- */

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px 20px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  margin-top: 20px;
}

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

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-dismiss {
  display: block;
  width: 100%;
  text-align: center;
  padding: 10px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 8px;
  transition: color 0.2s ease;
}

.btn-dismiss:hover {
  color: var(--color-text-secondary);
}

/* ---- Disclosure Text ---- */

.disclosure {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.disclosure a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.disclosure a:hover {
  color: var(--color-accent-hover);
}

/* ---- Legal Pages ---- */

.legal-header {
  text-align: center;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.legal-header h1 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 4px;
  color: var(--color-text);
}

.legal-header .powered-by {
  margin-bottom: 8px;
}

.legal-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 28px;
  margin-bottom: 10px;
}

.legal-content p {
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.legal-content ul {
  margin-bottom: 14px;
  padding-left: 20px;
}

.legal-content ul li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  line-height: 1.6;
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-accent-hover);
}

.legal-content strong {
  color: var(--color-text);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-accent);
  text-decoration: none;
  margin-bottom: 20px;
  font-weight: 700;
}

.back-link:hover {
  text-decoration: underline;
}

/* ---- Success Page ---- */

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-success);
}

.success-title {
  font-size: 1.35rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 8px;
}

.success-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.success-details {
  background: var(--color-bg-page);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.success-details .detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 0.85rem;
}

.success-details .detail-row + .detail-row {
  border-top: 1px solid var(--color-border);
}

.detail-label {
  color: var(--color-text-secondary);
}

.detail-value {
  font-weight: 700;
  color: var(--color-text);
}

.detail-value .status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.status-badge.opted-in {
  background: var(--color-success-light);
  color: #2D8A3E;
}

.status-badge.not-opted-in {
  background: #FEF2F2;
  color: #991B1B;
}

.success-info {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: center;
  margin-bottom: 8px;
}

/* ---- Footer ---- */

.page-footer {
  text-align: center;
  padding: 24px 0 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.page-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.page-footer a:hover {
  text-decoration: underline;
}

/* ---- Responsive ---- */

@media (max-width: 480px) {
  .page-wrapper {
    padding: 20px 16px 40px;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .name-input-group {
    flex-direction: column;
    gap: 0;
  }

  .phone-input-group {
    flex-direction: column;
    gap: 8px;
  }

  .country-select {
    flex: none;
    width: 100%;
  }

  .success-details .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}