/**
 * BusinessZindagi Verification Hub – Public Styles
 * Modern SaaS · Glassmorphism · Dark Mode · Mobile-first
 */

/* ─── CSS Variables ─── */
:root {
  --bz-primary: #4f46e5;
  --bz-secondary: #7c3aed;
  --bz-success: #059669;
  --bz-danger: #dc2626;
  --bz-warning: #d97706;
  --bz-bg: #f8fafc;
  --bz-surface: #ffffff;
  --bz-surface-2: #f1f5f9;
  --bz-border: #e2e8f0;
  --bz-text: #0f172a;
  --bz-text-muted: #64748b;
  --bz-text-light: #94a3b8;
  --bz-radius: 16px;
  --bz-radius-sm: 10px;
  --bz-radius-full: 9999px;
  --bz-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --bz-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --bz-shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --bz-glass: rgba(255, 255, 255, 0.7);
  --bz-glass-border: rgba(255, 255, 255, 0.4);
  --bz-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --bz-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bz-bg: #0b1120;
    --bz-surface: #111827;
    --bz-surface-2: #1e293b;
    --bz-border: #334155;
    --bz-text: #f1f5f9;
    --bz-text-muted: #94a3b8;
    --bz-text-light: #64748b;
    --bz-glass: rgba(17, 24, 39, 0.75);
    --bz-glass-border: rgba(255, 255, 255, 0.08);
    --bz-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --bz-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.4);
  }
}

html.bz-dark,
.bz-vh-app.bz-dark {
  --bz-bg: #0b1120;
  --bz-surface: #111827;
  --bz-surface-2: #1e293b;
  --bz-border: #334155;
  --bz-text: #f1f5f9;
  --bz-text-muted: #94a3b8;
  --bz-text-light: #64748b;
  --bz-glass: rgba(17, 24, 39, 0.75);
  --bz-glass-border: rgba(255, 255, 255, 0.08);
}

/* ─── Reset / Base ─── */
.bz-vh-app {
  font-family: var(--bz-font);
  color: var(--bz-text);
  background: var(--bz-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.bz-vh-app *,
.bz-vh-app *::before,
.bz-vh-app *::after {
  box-sizing: border-box;
}

.bz-vh-app .screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.bz-icon {
  display: inline-flex;
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
}

.bz-icon svg {
  width: 100%;
  height: 100%;
}

.bz-spin {
  animation: bz-spin 0.8s linear infinite;
}

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

/* ─── Hero ─── */
.bz-vh-hero {
  position: relative;
  text-align: center;
  padding: 48px 20px 40px;
  margin: 0 -16px 32px;
  overflow: hidden;
  border-radius: 0 0 var(--bz-radius) var(--bz-radius);
}

.bz-vh-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, color-mix(in srgb, var(--bz-primary) 25%, transparent), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, color-mix(in srgb, var(--bz-secondary) 15%, transparent), transparent);
  z-index: 0;
}

.bz-vh-hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.bz-vh-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bz-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bz-glass-border);
  border-radius: var(--bz-radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bz-primary);
  margin-bottom: 16px;
  box-shadow: var(--bz-shadow);
}

.bz-vh-hero-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 12px;
  background: linear-gradient(135deg, var(--bz-text) 0%, var(--bz-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bz-vh-hero-subtitle {
  font-size: 1.0625rem;
  color: var(--bz-text-muted);
  margin: 0 0 28px;
  line-height: 1.6;
}

/* Global Search */
.bz-vh-search-wrap {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.bz-vh-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--bz-text-light);
  pointer-events: none;
}

.bz-vh-global-search {
  width: 100%;
  padding: 14px 44px 14px 48px;
  font-size: 1rem;
  border: 1.5px solid var(--bz-border);
  border-radius: var(--bz-radius-full);
  background: var(--bz-surface);
  color: var(--bz-text);
  box-shadow: var(--bz-shadow);
  transition: border-color var(--bz-transition), box-shadow var(--bz-transition);
  outline: none;
}

.bz-vh-global-search:focus {
  border-color: var(--bz-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bz-primary) 25%, transparent);
}

.bz-vh-search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--bz-text-muted);
  border-radius: 50%;
  display: flex;
}

.bz-vh-search-clear:hover {
  background: var(--bz-surface-2);
  color: var(--bz-text);
}

/* ─── Section Header ─── */
.bz-vh-section-header {
  margin-bottom: 24px;
}

.bz-vh-section-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.bz-vh-section-desc {
  margin: 0;
  color: var(--bz-text-muted);
  font-size: 0.9375rem;
}

/* ─── Tools Grid ─── */
.bz-vh-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.bz-vh-card {
  position: relative;
  border-radius: var(--bz-radius);
  background: var(--bz-surface);
  border: 1px solid var(--bz-border);
  box-shadow: var(--bz-shadow);
  overflow: hidden;
  transition: transform var(--bz-transition), box-shadow var(--bz-transition), border-color var(--bz-transition);
  cursor: default;
}

.bz-vh-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bz-shadow-lg);
  border-color: color-mix(in srgb, var(--card-accent, var(--bz-primary)) 40%, var(--bz-border));
}

.bz-vh-card-inner {
  position: relative;
  z-index: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.bz-vh-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: transform var(--bz-transition);
}

.bz-vh-card-icon .bz-icon {
  width: 26px;
  height: 26px;
}

.bz-vh-card:hover .bz-vh-card-icon {
  transform: scale(1.08);
}

.bz-vh-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.bz-vh-card-desc {
  font-size: 0.875rem;
  color: var(--bz-text-muted);
  margin: 0 0 20px;
  flex: 1;
  line-height: 1.5;
}

.bz-vh-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--card-accent, var(--bz-primary)), color-mix(in srgb, var(--card-accent, var(--bz-primary)) 70%, var(--bz-secondary)));
  border: none;
  border-radius: var(--bz-radius-sm);
  cursor: pointer;
  transition: transform var(--bz-transition), box-shadow var(--bz-transition), opacity var(--bz-transition);
  position: relative;
  overflow: hidden;
  align-self: flex-start;
}

.bz-vh-card-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--card-accent, var(--bz-primary)) 40%, transparent);
}

.bz-vh-card-btn:active {
  transform: scale(0.98);
}

.bz-vh-btn-arrow {
  transform: rotate(180deg);
  transition: transform var(--bz-transition);
}

.bz-vh-card-btn:hover .bz-vh-btn-arrow {
  transform: rotate(180deg) translateX(-3px);
}

/* Ripple */
.bz-vh-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: bz-ripple 0.6s ease-out;
  pointer-events: none;
}

@keyframes bz-ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.bz-vh-card-glow {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, color-mix(in srgb, var(--card-accent, var(--bz-primary)) 12%, transparent), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--bz-transition);
}

.bz-vh-card:hover .bz-vh-card-glow {
  opacity: 1;
}

.bz-vh-no-results {
  text-align: center;
  padding: 40px 20px;
  color: var(--bz-text-muted);
  font-size: 0.9375rem;
}

/* ─── Tool Panel (Modal) ─── */
.bz-vh-tool-panel {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.bz-vh-tool-panel[hidden] {
  display: none !important;
}

.bz-vh-tool-panel-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  animation: bz-fade-in 0.2s ease;
}

.bz-vh-tool-panel-content {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 92vh;
  background: var(--bz-surface);
  border-radius: var(--bz-radius) var(--bz-radius) 0 0;
  box-shadow: var(--bz-shadow-xl);
  overflow-y: auto;
  animation: bz-slide-up 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 0 32px;
}

@media (min-width: 640px) {
  .bz-vh-tool-panel {
    align-items: center;
  }
  .bz-vh-tool-panel-content {
    border-radius: var(--bz-radius);
    max-height: 85vh;
  }
}

@keyframes bz-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bz-slide-up {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.bz-vh-tool-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bz-glass);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bz-border);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bz-vh-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--bz-primary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  align-self: flex-start;
}

.bz-vh-back-btn:hover {
  opacity: 0.8;
}

.bz-vh-tool-header-info {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.bz-vh-tool-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--bz-primary) 15%, transparent);
  color: var(--bz-primary);
}

.bz-vh-tool-icon-wrap .bz-icon {
  width: 24px;
  height: 24px;
}

.bz-vh-tool-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 2px;
  letter-spacing: -0.02em;
}

.bz-vh-tool-desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--bz-text-muted);
}

.bz-vh-tool-body {
  padding: 24px 20px 0;
}

/* Form */
.bz-vh-form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bz-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bz-vh-input-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.bz-vh-query-input {
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  border: 1.5px solid var(--bz-border);
  border-radius: var(--bz-radius-sm);
  background: var(--bz-surface-2);
  color: var(--bz-text);
  outline: none;
  transition: border-color var(--bz-transition), box-shadow var(--bz-transition);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bz-vh-query-input:focus {
  border-color: var(--bz-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bz-primary) 20%, transparent);
  background: var(--bz-surface);
}

.bz-vh-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--bz-primary), var(--bz-secondary));
  border: none;
  border-radius: var(--bz-radius-sm);
  cursor: pointer;
  transition: transform var(--bz-transition), box-shadow var(--bz-transition), opacity var(--bz-transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  min-width: 120px;
}

.bz-vh-submit-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--bz-primary) 35%, transparent);
}

.bz-vh-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.bz-vh-form-error {
  margin: 10px 0 0;
  font-size: 0.875rem;
  color: var(--bz-danger);
}

/* Recent */
.bz-vh-recent {
  margin-top: 20px;
}

.bz-vh-recent-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bz-text-muted);
}

.bz-vh-recent-clear {
  background: none;
  border: none;
  color: var(--bz-primary);
  font-size: 0.8125rem;
  cursor: pointer;
  font-weight: 600;
}

.bz-vh-recent-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bz-vh-recent-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bz-surface-2);
  border: 1px solid var(--bz-border);
  border-radius: var(--bz-radius-full);
  font-size: 0.8125rem;
  font-family: ui-monospace, monospace;
  color: var(--bz-text);
  cursor: pointer;
  transition: background var(--bz-transition), border-color var(--bz-transition);
}

.bz-vh-recent-item:hover {
  background: color-mix(in srgb, var(--bz-primary) 10%, var(--bz-surface-2));
  border-color: var(--bz-primary);
}

/* Skeleton */
.bz-vh-skeleton {
  margin-top: 28px;
}

.bz-vh-skeleton-badge {
  width: 100px;
  height: 28px;
  border-radius: var(--bz-radius-full);
  background: linear-gradient(90deg, var(--bz-surface-2) 25%, var(--bz-border) 50%, var(--bz-surface-2) 75%);
  background-size: 200% 100%;
  animation: bz-shimmer 1.4s infinite;
  margin-bottom: 16px;
}

.bz-vh-skeleton-line {
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--bz-surface-2) 25%, var(--bz-border) 50%, var(--bz-surface-2) 75%);
  background-size: 200% 100%;
  animation: bz-shimmer 1.4s infinite;
  margin-bottom: 10px;
  width: 80%;
}

.bz-vh-skeleton-line.short {
  width: 50%;
}

.bz-vh-skeleton-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.bz-vh-skeleton-card {
  height: 72px;
  border-radius: var(--bz-radius-sm);
  background: linear-gradient(90deg, var(--bz-surface-2) 25%, var(--bz-border) 50%, var(--bz-surface-2) 75%);
  background-size: 200% 100%;
  animation: bz-shimmer 1.4s infinite;
}

@keyframes bz-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Results */
.bz-vh-results {
  margin-top: 28px;
  animation: bz-fade-in 0.35s ease;
}

.bz-vh-result-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--bz-radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 16px;
  animation: bz-badge-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bz-vh-result-badge.success {
  background: color-mix(in srgb, var(--bz-success) 15%, transparent);
  color: var(--bz-success);
}

.bz-vh-result-badge.error {
  background: color-mix(in srgb, var(--bz-danger) 15%, transparent);
  color: var(--bz-danger);
}

@keyframes bz-badge-pop {
  from { transform: scale(0.6); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.bz-vh-result-message {
  font-size: 0.875rem;
  color: var(--bz-text-muted);
  margin: 0 0 20px;
}

.bz-vh-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.bz-vh-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bz-surface-2);
  border: 1px solid var(--bz-border);
  border-radius: var(--bz-radius-sm);
  color: var(--bz-text);
  cursor: pointer;
  transition: background var(--bz-transition), border-color var(--bz-transition);
}

.bz-vh-action-btn:hover {
  background: color-mix(in srgb, var(--bz-primary) 10%, var(--bz-surface-2));
  border-color: var(--bz-primary);
  color: var(--bz-primary);
}

.bz-vh-fields-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 480px) {
  .bz-vh-fields-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.bz-vh-field-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--bz-surface-2);
  border: 1px solid var(--bz-border);
  border-radius: var(--bz-radius-sm);
  transition: border-color var(--bz-transition);
}

.bz-vh-field-card:hover {
  border-color: color-mix(in srgb, var(--bz-primary) 40%, var(--bz-border));
}

.bz-vh-field-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--bz-primary) 12%, transparent);
  color: var(--bz-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bz-vh-field-icon .bz-icon {
  width: 18px;
  height: 18px;
}

.bz-vh-field-content {
  flex: 1;
  min-width: 0;
}

.bz-vh-field-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bz-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.bz-vh-field-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bz-text);
  word-break: break-word;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bz-vh-copy-btn {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--bz-text-light);
  border-radius: 4px;
  display: inline-flex;
  flex-shrink: 0;
  transition: color var(--bz-transition), background var(--bz-transition);
}

.bz-vh-copy-btn:hover {
  color: var(--bz-primary);
  background: color-mix(in srgb, var(--bz-primary) 10%, transparent);
}

.bz-vh-copy-btn.copied {
  color: var(--bz-success);
}

.bz-vh-demo-note {
  margin-top: 20px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bz-warning) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--bz-warning) 30%, transparent);
  border-radius: var(--bz-radius-sm);
  font-size: 0.8125rem;
  color: var(--bz-warning);
}

/* Standalone tool */
.bz-vh-single-tool {
  padding-top: 24px;
}

.bz-vh-tool-standalone {
  background: var(--bz-surface);
  border: 1px solid var(--bz-border);
  border-radius: var(--bz-radius);
  padding: 28px 24px;
  box-shadow: var(--bz-shadow);
}

.bz-vh-tool-header-standalone {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

/* Footer */
.bz-vh-footer {
  text-align: center;
  padding: 32px 0 8px;
  font-size: 0.8125rem;
  color: var(--bz-text-light);
}

.bz-vh-footer a {
  color: var(--bz-primary);
  text-decoration: none;
  font-weight: 600;
}

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

/* Print */
@media print {
  .bz-vh-hero,
  .bz-vh-search-wrap,
  .bz-vh-card-btn,
  .bz-vh-back-btn,
  .bz-vh-result-actions,
  .bz-vh-recent,
  .bz-vh-footer,
  .bz-vh-demo-note {
    display: none !important;
  }
  .bz-vh-tool-panel-content {
    box-shadow: none;
    max-height: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .bz-vh-app *,
  .bz-vh-app *::before,
  .bz-vh-app *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}