/**
 * Premium Cert - Komponente (Forme, Multi-step Wizard, FAQ, Pretraga, Alerti)
 * Izrađeno po modernim W3C i modern-web-guidance preporukama
 */

/* Canonical visually-hidden za pristupačnost */
.visually-hidden {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

/* Honeypot anti-spam polje (nevidljivo ljudima, privlači botove) */
.hp-wrap {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  position: absolute !important;
  left: -9999px !important;
}

/* Breadcrumbs */
.breadcrumbs {
  background: var(--color-bg-alt);
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  color: var(--color-text-light);
}

.breadcrumbs li a {
  color: var(--color-primary);
  font-weight: 500;
}

.breadcrumbs li[aria-current="page"] span {
  color: var(--color-text);
  font-weight: 600;
}

/* Forme */
.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-block-end: 1.5rem;
}

.form-label {
  display: inline-block;
  padding: 6px 0;
  margin: -6px 0 0.35rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-accent);
}

.form-control {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  min-height: 48px;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1.5px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 108, 0.15);
}

.form-control:user-invalid {
  border-color: var(--color-accent);
}

.form-control:user-valid:not(:placeholder-shown) {
  border-color: #16a34a;
}

.form-hint {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

.form-error-msg {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-top: 0.35rem;
  display: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-row-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-row-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Checkbox & Radio pločice */
.checkbox-tile-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
}

.checkbox-tile {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.checkbox-tile.is-checked {
  border-color: var(--color-primary);
  background: rgba(30, 58, 108, 0.04);
}

.checkbox-tile-content strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
}

.checkbox-tile-content small {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Multi-step Wizard Progress */
.wizard-progress {
  list-style: none;
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
  gap: 0.5rem;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  height: 3px;
  background: var(--color-border);
  z-index: 1;
}

.wizard-progress-step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}

.step-indicator {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 3px solid var(--color-border);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  transition: all var(--transition-fast);
}

.wizard-progress-step[aria-current="step"] .step-indicator {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(30, 58, 108, 0.2);
}

.wizard-progress-step.is-complete .step-indicator {
  background: #16a34a;
  border-color: #16a34a;
  color: #ffffff;
}

.step-title {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.wizard-progress-step[aria-current="step"] .step-title {
  color: var(--color-primary-dark);
  font-weight: 700;
}

@media (max-width: 600px) {
  .step-title {
    display: none;
  }
}

.wizard-step-panel {
  display: none;
}

.wizard-step-panel.is-active {
  display: block;
  animation: fadeIn 250ms ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* Alert poruke */
.alert {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  font-size: 0.95rem;
}

.alert svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-success {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.alert-success svg {
  color: #16a34a;
}

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

.alert-error svg {
  color: #dc2626;
}

.alert-info {
  background-color: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #0369a1;
}

.alert-info svg {
  color: #0284c7;
}

/* Accordion FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.faq-trigger svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-body {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  display: none;
}

.faq-body.is-open {
  display: block;
}

/* Pretraga sertifikata u Registru */
.registry-search-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
}

.registry-search-box h3 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.registry-search-box p {
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

.search-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .search-input-group {
    flex-direction: row;
  }
}

.search-input-group input {
  flex: 1;
}

.registry-results {
  margin-top: 2rem;
}

.cert-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 5px solid #16a34a;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cert-card.suspended {
  border-left-color: #dc2626;
}

.cert-badge-active {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #dcfce7;
  color: #15803d;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.cert-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  font-size: 0.9rem;
}

.cert-meta-grid dt {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.cert-meta-grid dd {
  font-weight: 600;
  color: var(--color-text);
}