/* =============================================
   NEXUM.COM.KZ — checkCert Page Styles
   ============================================= */

/* ── Hero / Breadcrumb Banner ── */
.cert-hero {
  position: relative;
  background: linear-gradient(135deg, #100a1f 0%, #170f2b 60%, #1f1438 100%);
  padding: 56px 0 52px;
  overflow: hidden;
  border-bottom: 1px solid rgba(139,92,246,0.1);
}

.cert-hero::before {
  content: '';
  position: absolute;
  top: -120px; left: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cert-hero::after {
  content: '';
  position: absolute;
  bottom: -80px; right: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(167,139,250,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cert-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cert-hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
  animation: fadeInUp 0.4s 0.1s ease both;
}

.cert-hero-sub {
  font-size: 1rem;
  color: var(--c-muted);
  margin-bottom: 20px;
  animation: fadeInUp 0.4s 0.15s ease both;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--c-muted);
  animation: fadeInUp 0.4s 0.2s ease both;
}
.breadcrumb a { color: var(--c-muted); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb svg { width: 12px; height: 12px; opacity: 0.5; }
.breadcrumb span { color: var(--c-primary); font-weight: 600; }

/* ── Main cert page layout ── */
.cert-page { padding: 52px 0 80px; }

.cert-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Search Form ── */
.cert-search-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.5s 0.1s ease both;
}

.cert-search-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-primary), var(--c-accent), transparent);
}

.cert-search-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.cert-search-desc {
  font-size: 0.88rem;
  color: var(--c-muted);
  margin-bottom: 24px;
}

.cert-search-form {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.cert-input-wrap {
  position: relative;
  flex: 1;
}

.cert-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--c-muted);
  pointer-events: none;
}

#certInput {
  width: 100%;
  padding: 14px 14px 14px 42px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--c-border2);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  outline: none;
}

#certInput::placeholder { color: var(--c-muted); font-weight: 400; letter-spacing: 0; }
#certInput:focus {
  border-color: var(--c-primary);
  background: rgba(139,92,246,0.04);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
}

#certSubmitBtn {
  padding: 14px 28px;
  white-space: nowrap;
  min-width: 140px;
}

/* ── Result Panel ── */
#certResult {
  animation: fadeInUp 0.4s ease both;
}

/* Loading spinner */
.cert-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-xl);
  text-align: center;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(139,92,246,0.15);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.cert-loading p { color: var(--c-muted); font-size: 0.9rem; }

/* Not found */
.cert-not-found {
  background: rgba(255, 77, 109, 0.06);
  border: 1px solid rgba(255, 77, 109, 0.2);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
}

.cert-not-found-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 77, 109, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.cert-not-found-icon svg { width: 28px; height: 28px; color: var(--c-danger); }

.cert-not-found h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-danger);
  margin-bottom: 8px;
}

.cert-not-found p { color: var(--c-muted); font-size: 0.9rem; line-height: 1.65; }

/* ── SUCCESS CERTIFICATE CARD ── */
.cert-card {
  background: var(--c-surface);
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(167,139,250,0.05);
  position: relative;
}

/* Top accent bar */
.cert-card-top {
  background: linear-gradient(135deg, #241a3d 0%, #2c1f4a 100%);
  padding: 28px 36px 24px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(167,139,250,0.15);
}

.cert-card-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-primary), var(--c-accent));
}

.cert-card-top-bg {
  position: absolute;
  top: -30px; right: -30px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(167,139,250,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cert-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(167,139,250,0.12);
  border: 1px solid rgba(167,139,250,0.3);
  color: var(--c-accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 14px;
}

.cert-verified-badge svg { width: 14px; height: 14px; }

.cert-card-top h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.cert-course-name {
  font-size: 1rem;
  color: var(--c-accent);
  font-weight: 600;
  position: relative;
  z-index: 1;
  opacity: 0.9;
}

.cert-id-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 4px 12px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.06em;
}

/* Certificate body */
.cert-card-body {
  padding: 32px 36px;
}

.cert-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.cert-detail-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cert-detail-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.cert-detail-value {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--c-text);
}

/* Status pill */
.cert-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(167,139,250,0.1);
  border: 1px solid rgba(167,139,250,0.25);
  color: var(--c-accent);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 14px;
}

.cert-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse-ring 1.5s infinite;
}

.cert-status-badge--invalid {
  background: rgba(255, 77, 109, 0.1);
  border-color: rgba(255, 77, 109, 0.3);
  color: var(--c-danger);
}
.cert-status-badge--invalid .cert-status-dot {
  background: var(--c-danger);
  animation: none;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(167,139,250,0.6); }
  100% { box-shadow: 0 0 0 8px rgba(167,139,250,0); }
}

/* Divider */
.cert-divider {
  height: 1px;
  background: var(--c-border2);
  margin: 24px 0;
}

/* Security seal strip */
.cert-seal-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(139,92,246,0.05);
  border: 1px solid rgba(139,92,246,0.1);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.cert-seal-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(139,92,246,0.05));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-seal-icon svg { width: 22px; height: 22px; color: var(--c-primary); }

.cert-seal-text p {
  font-size: 0.82rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin: 0;
}
.cert-seal-text p strong {
  color: var(--c-text);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
  font-size: 0.88rem;
}

/* QR / Share row */
.cert-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ── Info section below ── */
.cert-info-section {
  margin-top: 40px;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cert-info-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cert-info-section h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  position: relative;
}

.cert-info-section p {
  font-size: 0.92rem;
  color: var(--c-muted);
  margin-bottom: 24px;
  line-height: 1.7;
  position: relative;
}

/* ── Sample IDs hint ── */
.cert-examples {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--c-muted);
  animation: fadeInUp 0.4s 0.2s ease both;
}

.cert-examples strong { color: var(--c-text); display: block; margin-bottom: 8px; }

.cert-id-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(139,92,246,0.08);
  border: 1px solid rgba(139,92,246,0.15);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--c-primary);
  cursor: pointer;
  transition: var(--transition);
  margin: 3px 4px 3px 0;
}
.cert-id-chip:hover {
  background: rgba(139,92,246,0.15);
  border-color: var(--c-primary);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .cert-search-card { padding: 24px 20px; }
  .cert-search-form { flex-direction: column; }
  #certSubmitBtn { width: 100%; }
  .cert-card-top { padding: 24px 20px; }
  .cert-card-body { padding: 24px 20px; }
  .cert-details-grid { grid-template-columns: 1fr; gap: 14px; }
  .cert-info-section { padding: 28px 20px; }
}