/* =====================================================================
   Smart Search – Styles
   ===================================================================== */

:root {
  --ss-accent: #3b82f6;
  --ss-icon-color: #1a1a1a;
  --ss-overlay-bg: rgba(0, 0, 0, 0.55);
  --ss-panel-bg: #ffffff;
  --ss-input-bg: #f3f4f6;
  --ss-border: #e5e7eb;
  --ss-text: #111827;
  --ss-text-muted: #6b7280;
  --ss-hover-bg: #f9fafb;
  --ss-mark-bg: #fef9c3;
  --ss-mark-color: #92400e;
  --ss-radius: 12px;
  --ss-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  --ss-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Trigger Button ---- */
.smart-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--ss-icon-color);
  border-radius: 8px;
  transition: opacity var(--ss-transition), background var(--ss-transition);
  line-height: 1;
}
.smart-search-trigger:hover {
  opacity: 0.7;
  background: rgba(0, 0, 0, 0.05);
}
.smart-search-trigger:focus-visible {
  outline: 2px solid var(--ss-accent);
  outline-offset: 2px;
}
.ss-trigger-label {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ---- Overlay ---- */
#smart-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px 16px;
  background: var(--ss-overlay-bg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ss-transition), visibility var(--ss-transition);
  overflow-y: auto;
}
#smart-search-overlay.ss-open {
  opacity: 1;
  visibility: visible;
}

/* ---- Inner panel ---- */
#smart-search-inner {
  width: 100%;
  max-width: 700px;
  background: var(--ss-panel-bg);
  border-radius: var(--ss-radius);
  box-shadow: var(--ss-shadow);
  transform: translateY(-16px) scale(0.98);
  transition: transform var(--ss-transition);
  overflow: hidden;
}
#smart-search-overlay.ss-open #smart-search-inner {
  transform: translateY(0) scale(1);
}

/* ---- Header ---- */
#smart-search-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ss-border);
}
#smart-search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--ss-input-bg);
  border-radius: 8px;
  padding: 0 12px;
  border: 2px solid transparent;
  transition: border-color var(--ss-transition);
}
#smart-search-input-wrap:focus-within {
  border-color: var(--ss-accent);
  background: #fff;
}
.ss-icon-search {
  display: flex;
  flex-shrink: 0;
  color: var(--ss-text-muted);
}
#smart-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 0;
  font-size: 1rem;
  color: var(--ss-text);
  font-family: inherit;
}
#smart-search-input::placeholder {
  color: var(--ss-text-muted);
}
#smart-search-input::-webkit-search-cancel-button {
  display: none;
}
#smart-search-clear {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--ss-text-muted);
  border-radius: 50%;
  transition: background var(--ss-transition), color var(--ss-transition);
  flex-shrink: 0;
}
#smart-search-clear:hover {
  background: var(--ss-border);
  color: var(--ss-text);
}
#smart-search-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ss-accent);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px;
  border-radius: 6px;
  white-space: nowrap;
  transition: background var(--ss-transition);
}
#smart-search-close:hover {
  background: rgba(59, 130, 246, 0.08);
}

/* ---- Suggestions ---- */
#smart-search-suggestions {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--ss-border);
  display: none;
}
#smart-search-suggestions:not(:empty) {
  display: block;
}
#smart-search-suggestions li {
  padding: 0;
  margin: 0;
}
#smart-search-suggestions li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  text-decoration: none;
  color: var(--ss-text);
  font-size: 0.9rem;
  transition: background var(--ss-transition);
}
#smart-search-suggestions li a:hover,
#smart-search-suggestions li a:focus,
#smart-search-suggestions li.ss-active a {
  background: var(--ss-hover-bg);
  outline: none;
}
.ss-suggestion-icon {
  flex-shrink: 0;
  color: var(--ss-text-muted);
  display: flex;
}
.ss-suggestion-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ss-suggestion-type {
  font-size: 0.75rem;
  color: var(--ss-text-muted);
  background: var(--ss-border);
  padding: 2px 7px;
  border-radius: 20px;
  flex-shrink: 0;
}

/* ---- Status ---- */
#smart-search-status {
  font-size: 0.8rem;
  color: var(--ss-text-muted);
  padding: 8px 20px 0;
  min-height: 24px;
  display: none;
}
#smart-search-status:not(:empty) {
  display: block;
}

/* ---- Results ---- */
#smart-search-results {
  padding: 8px 0;
}
.ss-results-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ss-result-item {
  padding: 0;
  margin: 0;
}
.ss-result-link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 20px;
  text-decoration: none;
  color: var(--ss-text);
  border-bottom: 1px solid var(--ss-border);
  transition: background var(--ss-transition);
}
.ss-result-link:last-child,
.ss-result-item:last-child .ss-result-link {
  border-bottom: none;
}
.ss-result-link:hover {
  background: var(--ss-hover-bg);
}
.ss-result-thumb {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ss-border);
}
.ss-result-thumb-placeholder {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  background: var(--ss-input-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ss-text-muted);
}
.ss-result-body {
  flex: 1;
  min-width: 0;
}
.ss-result-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ss-result-excerpt {
  font-size: 0.82rem;
  color: var(--ss-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ss-result-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
}
.ss-result-type {
  font-size: 0.73rem;
  color: var(--ss-accent);
  background: rgba(59, 130, 246, 0.08);
  padding: 1px 7px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.ss-result-date {
  font-size: 0.73rem;
  color: var(--ss-text-muted);
}

/* ---- Highlight / Mark ---- */
mark {
  background: var(--ss-mark-bg);
  color: var(--ss-mark-color);
  padding: 0 1px;
  border-radius: 2px;
}

/* ---- No results ---- */
.ss-no-results {
  padding: 28px 20px;
  text-align: center;
  color: var(--ss-text-muted);
  font-size: 0.9rem;
}
.ss-no-results svg {
  display: block;
  margin: 0 auto 12px;
  color: var(--ss-border);
}

/* ---- Spinner ---- */
.ss-spinner {
  display: flex;
  justify-content: center;
  padding: 24px;
}
.ss-spinner-ring {
  width: 28px;
  height: 28px;
  border: 3px solid var(--ss-border);
  border-top-color: var(--ss-accent);
  border-radius: 50%;
  animation: ss-spin 0.7s linear infinite;
}
@keyframes ss-spin {
  to { transform: rotate(360deg); }
}

/* ---- Footer ---- */
#smart-search-footer {
  border-top: 1px solid var(--ss-border);
  padding: 12px 20px;
  text-align: center;
}
#smart-search-all-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ss-accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: gap var(--ss-transition);
}
#smart-search-all-link:hover {
  gap: 8px;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  #smart-search-overlay {
    padding: 0;
    align-items: flex-start;
  }
  #smart-search-inner {
    border-radius: 0 0 var(--ss-radius) var(--ss-radius);
    max-width: 100%;
    min-height: 60vh;
  }
  .ss-result-thumb,
  .ss-result-thumb-placeholder {
    display: none;
  }
}

/* ---- Accessibility: reduce motion ---- */
@media (prefers-reduced-motion: reduce) {
  #smart-search-overlay,
  #smart-search-inner,
  .smart-search-trigger {
    transition: none;
  }
  .ss-spinner-ring {
    animation: none;
    border-top-color: var(--ss-accent);
  }
}