/**
 * PH Operational Modernization Platform — Public Pages
 * =====================================================
 * Styles for standalone public pages: landing, register, success.
 * These pages do NOT use the sidebar/topbar shell from base.php.
 * Design tokens are inherited from design-system.css (loaded first).
 *
 * @version 1.0.0
 * @since   0.7.0
 */


/* ==========================================================================
   0. BASE — PUBLIC BODY
   ========================================================================== */

.phmod-public-body {
  margin: 0;
  padding: 0;
  font-family: var(--phmod-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--phmod-text);
  background-color: var(--phmod-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.phmod-public-body *,
.phmod-public-body *::before,
.phmod-public-body *::after {
  box-sizing: border-box;
}

.phmod-public-body *:focus-visible {
  outline: 2px solid var(--phmod-brand-primary);
  outline-offset: 2px;
}

.phmod-skip-link {
  position: absolute;
  top: -100%;
  left: var(--phmod-space-4);
  z-index: 100000;
  padding: var(--phmod-space-2) var(--phmod-space-4);
  background: var(--phmod-brand-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--phmod-radius);
  font-size: var(--phmod-text-base);
}

.phmod-skip-link:focus {
  top: var(--phmod-space-4);
}


/* ==========================================================================
   1. LANDING PAGE — HERO
   ========================================================================== */

.phmod-landing-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  padding: var(--phmod-space-12) var(--phmod-space-6);
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #0f766e 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

/* Subtle grid pattern overlay */
.phmod-landing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.phmod-landing-hero__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.phmod-landing-hero__title {
  margin: 0 0 var(--phmod-space-4);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.phmod-landing-hero__tagline {
  margin: 0 0 var(--phmod-space-8);
  font-size: 1.125rem;
  line-height: 1.6;
  opacity: 0.9;
}

.phmod-landing-hero__actions {
  display: flex;
  gap: var(--phmod-space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.phmod-landing-hero__cta.phmod-btn--primary {
  background-color: #fff;
  color: #1e3a5f;
  border-color: #fff;
  font-weight: 600;
}

.phmod-landing-hero__cta.phmod-btn--primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

.phmod-landing-hero__cta.phmod-btn--secondary {
  background-color: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.phmod-landing-hero__cta.phmod-btn--secondary:hover {
  border-color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}


/* ==========================================================================
   2. LANDING PAGE — SECTIONS (shared)
   ========================================================================== */

.phmod-landing-section__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--phmod-space-6);
}

.phmod-landing-section__heading {
  margin: 0 0 var(--phmod-space-2);
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  color: var(--phmod-text);
  letter-spacing: -0.01em;
}

.phmod-landing-section__subheading {
  margin: 0 0 var(--phmod-space-10);
  font-size: 1.0625rem;
  text-align: center;
  color: var(--phmod-text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}


/* ==========================================================================
   3. LANDING PAGE — FEATURES
   ========================================================================== */

.phmod-landing-features {
  padding: 5rem 0;
  background-color: var(--phmod-surface);
}

.phmod-landing-features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--phmod-space-6);
}

.phmod-landing-feature-card {
  padding: var(--phmod-space-8);
  background-color: var(--phmod-bg);
  border: 1px solid var(--phmod-border);
  border-radius: var(--phmod-radius-lg);
  transition: box-shadow var(--phmod-transition), transform var(--phmod-transition);
}

.phmod-landing-feature-card:hover {
  box-shadow: var(--phmod-shadow-md);
  transform: translateY(-2px);
}

.phmod-landing-feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--phmod-space-4);
  background-color: var(--phmod-brand-primary-light);
  color: var(--phmod-brand-primary);
  border-radius: var(--phmod-radius-lg);
}

.phmod-landing-feature-card__title {
  margin: 0 0 var(--phmod-space-2);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--phmod-text);
}

.phmod-landing-feature-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--phmod-text-muted);
}


/* ==========================================================================
   4. LANDING PAGE — STEPS
   ========================================================================== */

.phmod-landing-steps {
  padding: 5rem 0;
  background-color: var(--phmod-bg);
}

.phmod-landing-steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--phmod-space-6);
  counter-reset: step-counter;
}

.phmod-landing-step {
  text-align: center;
  padding: var(--phmod-space-6);
}

.phmod-landing-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto var(--phmod-space-4);
  background: linear-gradient(135deg, var(--phmod-brand-primary), var(--phmod-brand-secondary));
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: var(--phmod-radius-full);
}

.phmod-landing-step__title {
  margin: 0 0 var(--phmod-space-2);
  font-size: 1rem;
  font-weight: 600;
  color: var(--phmod-text);
}

.phmod-landing-step__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--phmod-text-muted);
}


/* ==========================================================================
   5. LANDING PAGE — FOOTER
   ========================================================================== */

.phmod-landing-footer {
  padding: var(--phmod-space-8) var(--phmod-space-6);
  background-color: #1e293b;
  color: #94a3b8;
  text-align: center;
}

.phmod-landing-footer__inner {
  max-width: 1080px;
  margin: 0 auto;
}

.phmod-landing-footer__text {
  margin: 0 0 var(--phmod-space-2);
  font-size: 0.875rem;
}

.phmod-landing-footer__link {
  color: #93c5fd;
  text-decoration: none;
  font-size: 0.875rem;
}

.phmod-landing-footer__link:hover {
  color: #bfdbfe;
  text-decoration: underline;
}


/* ==========================================================================
   6. REGISTRATION PAGE
   ========================================================================== */

.phmod-register-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--phmod-space-6);
}

.phmod-register-card {
  width: 100%;
  max-width: 520px;
  padding: var(--phmod-space-10);
  background-color: var(--phmod-surface);
  border: 1px solid var(--phmod-border);
  border-radius: var(--phmod-radius-lg);
  box-shadow: var(--phmod-shadow-lg);
}

.phmod-register-header {
  margin-bottom: var(--phmod-space-8);
}

.phmod-register-back {
  display: inline-flex;
  align-items: center;
  gap: var(--phmod-space-2);
  margin-bottom: var(--phmod-space-4);
  color: var(--phmod-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--phmod-transition);
}

.phmod-register-back:hover {
  color: var(--phmod-brand-primary);
}

.phmod-register-title {
  margin: 0 0 var(--phmod-space-2);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--phmod-text);
}

.phmod-register-subtitle {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--phmod-text-muted);
}

.phmod-register-form .phmod-form-group {
  margin-bottom: var(--phmod-space-5);
}

.phmod-register-submit {
  width: 100%;
  margin-top: var(--phmod-space-2);
}


/* ==========================================================================
   7. SUBDOMAIN FIELD
   ========================================================================== */

.phmod-subdomain-field {
  position: relative;
}

.phmod-subdomain-field .phmod-form-input {
  padding-right: 40px;
}

.phmod-subdomain-field__indicator {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  font-size: 0.875rem;
  line-height: 1;
}

.phmod-subdomain-field__indicator--available {
  color: var(--phmod-success);
}

.phmod-subdomain-field__indicator--unavailable {
  color: var(--phmod-danger);
}

.phmod-subdomain-field__indicator--checking {
  color: var(--phmod-text-muted);
}

.phmod-subdomain-field__preview {
  margin: var(--phmod-space-2) 0 0;
  font-size: 0.8125rem;
  color: var(--phmod-text-muted);
}

.phmod-subdomain-field__preview strong {
  color: var(--phmod-text);
  font-weight: 600;
}


/* ==========================================================================
   8. SUCCESS PAGE
   ========================================================================== */

.phmod-success-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--phmod-space-6);
}

.phmod-success-card {
  width: 100%;
  max-width: 480px;
  padding: var(--phmod-space-12) var(--phmod-space-10);
  background-color: var(--phmod-surface);
  border: 1px solid var(--phmod-border);
  border-radius: var(--phmod-radius-lg);
  box-shadow: var(--phmod-shadow-lg);
  text-align: center;
}

.phmod-success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--phmod-space-6);
  background-color: var(--phmod-success-light);
  color: var(--phmod-success);
  border-radius: var(--phmod-radius-full);
}

.phmod-success-title {
  margin: 0 0 var(--phmod-space-4);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--phmod-text);
}

.phmod-success-message {
  margin: 0 0 var(--phmod-space-8);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--phmod-text-muted);
}

.phmod-success-actions {
  display: flex;
  flex-direction: column;
  gap: var(--phmod-space-3);
}

.phmod-success-actions .phmod-btn {
  width: 100%;
}


/* ==========================================================================
   9. ALERTS (for standalone pages that don't load design-system alert styles)
   ========================================================================== */

.phmod-register-container .phmod-alert {
  padding: var(--phmod-space-3) var(--phmod-space-4);
  margin-bottom: var(--phmod-space-5);
  border-radius: var(--phmod-radius);
  font-size: 0.875rem;
  line-height: 1.5;
}

.phmod-register-container .phmod-alert--danger {
  background-color: var(--phmod-danger-light);
  color: #991b1b;
  border: 1px solid #fecaca;
}


/* ==========================================================================
   10. BUTTON OVERRIDES (for standalone pages)
   ========================================================================== */

.phmod-public-body .phmod-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--phmod-space-2);
  padding: 0.5rem 1rem;
  font-family: var(--phmod-font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--phmod-radius);
  cursor: pointer;
  transition: all var(--phmod-transition);
  white-space: nowrap;
}

.phmod-public-body .phmod-btn--primary {
  background-color: var(--phmod-brand-primary);
  color: #fff;
  border-color: var(--phmod-brand-primary);
}

.phmod-public-body .phmod-btn--primary:hover {
  background-color: var(--phmod-brand-primary-dark);
  border-color: var(--phmod-brand-primary-dark);
}

.phmod-public-body .phmod-btn--secondary {
  background-color: var(--phmod-surface);
  color: var(--phmod-text);
  border-color: var(--phmod-border);
}

.phmod-public-body .phmod-btn--secondary:hover {
  background-color: var(--phmod-bg);
  border-color: var(--phmod-text-muted);
}

.phmod-public-body .phmod-btn--lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.phmod-public-body .phmod-btn:disabled,
.phmod-public-body .phmod-btn--loading {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.phmod-public-body .phmod-btn--loading {
  position: relative;
  color: transparent;
}

.phmod-public-body .phmod-btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: phmod-spin 0.6s linear infinite;
}

@keyframes phmod-spin {
  to { transform: rotate(360deg); }
}


/* ==========================================================================
   11. FORM INPUT OVERRIDES (for standalone pages)
   ========================================================================== */

.phmod-public-body .phmod-form-label {
  display: block;
  margin-bottom: var(--phmod-space-1);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--phmod-text);
}

.phmod-public-body .phmod-form-label--required::after {
  content: ' *';
  color: var(--phmod-danger);
}

.phmod-public-body .phmod-form-input {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: var(--phmod-font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--phmod-text);
  background-color: var(--phmod-surface);
  border: 1px solid var(--phmod-border);
  border-radius: var(--phmod-radius);
  transition: border-color var(--phmod-transition), box-shadow var(--phmod-transition);
}

.phmod-public-body .phmod-form-input::placeholder {
  color: var(--phmod-text-light);
}

.phmod-public-body .phmod-form-input:focus {
  outline: none;
  border-color: var(--phmod-brand-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.phmod-public-body .phmod-form-input--error {
  border-color: var(--phmod-danger);
}

.phmod-public-body .phmod-form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.phmod-public-body .phmod-form-hint {
  margin: var(--phmod-space-1) 0 0;
  font-size: 0.8125rem;
  color: var(--phmod-text-muted);
}

.phmod-public-body .phmod-form-error {
  margin: var(--phmod-space-1) 0 0;
  font-size: 0.8125rem;
  color: var(--phmod-danger);
}

.phmod-public-body .phmod-form-actions {
  margin-top: var(--phmod-space-6);
}


/* ==========================================================================
   12. RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
  .phmod-landing-hero {
    min-height: 400px;
    padding: var(--phmod-space-10) var(--phmod-space-4);
  }

  .phmod-landing-hero__title {
    font-size: 1.75rem;
  }

  .phmod-landing-hero__tagline {
    font-size: 1rem;
  }

  .phmod-landing-hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .phmod-landing-hero__cta {
    width: 100%;
    max-width: 280px;
  }

  .phmod-landing-features__grid {
    grid-template-columns: 1fr;
  }

  .phmod-landing-steps__grid {
    grid-template-columns: 1fr;
    gap: var(--phmod-space-4);
  }

  .phmod-landing-step {
    display: flex;
    text-align: left;
    gap: var(--phmod-space-4);
    padding: var(--phmod-space-4);
  }

  .phmod-landing-step__number {
    margin: 0;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .phmod-landing-section__heading {
    font-size: 1.375rem;
  }

  .phmod-register-card {
    padding: var(--phmod-space-6);
  }

  .phmod-success-card {
    padding: var(--phmod-space-8) var(--phmod-space-6);
  }
}

@media (max-width: 480px) {
  .phmod-landing-hero__title {
    font-size: 1.5rem;
  }

  .phmod-register-container,
  .phmod-success-container {
    padding: var(--phmod-space-4);
    align-items: flex-start;
    padding-top: var(--phmod-space-8);
  }
}