/* ==========================================================================
   1. THEME VARIABLES & RESET
   ========================================================================== */
:root {
  --sas-ai-bg: #ffffff;
  --sas-ai-bg-soft: #f8fafc;
  --sas-ai-border: #e2e8f0;
  --sas-ai-text: #1e293b;
  --sas-ai-muted: #64748b;
  --sas-ai-muted-light: #94a3b8;
  --sas-ai-accent: var(--sas-primary, #2563eb); 
  --sas-ai-accent-hover: color-mix(in srgb, var(--sas-ai-accent), black 10%);
  --sas-ai-accent-soft: color-mix(in srgb, var(--sas-ai-accent), white 90%);
  --sas-ai-radius: 12px;
  --sas-ai-font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --sas-chat-width: 800px;
}

[x-cloak] { display: none !important; }

.sas-ai-search {
  position: relative;
  font-family: var(--sas-ai-font-stack);
  color: var(--sas-ai-text);
  box-sizing: border-box;
}

.sas-ai-search *, .sas-ai-search *::before, .sas-ai-search *::after {
  box-sizing: border-box;
}

.sas-ai-search__ui {
  display: flex;
  flex-direction: column;
  max-width: var(--sas-chat-width);
  margin: 0 auto;
}

/* ==========================================================================
   2. UNIFIED CARD COMPONENT (.sas-card)
   ========================================================================== */
.sas-card { 
    display: flex; 
    flex-direction: column;
    position: relative; 
    text-decoration: none; 
    color: var(--sas-ai-text); 
    background: #fff; 
    border: 1px solid var(--sas-ai-border); 
    border-radius: 12px; 
    overflow: hidden; 
    transition: all 0.2s ease; 
    margin-bottom: 15px; 
    height: 100%;
}

.sas-card:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 8px 20px rgba(0,0,0,0.08); 
    border-color: var(--sas-ai-accent); 
    z-index: 5;
}

.sas-card__media { 
    background-color: var(--sas-ai-bg-soft); 
    background-size: cover; 
    background-position: center; 
    position: relative; 
    width: 100%; 
    height: 160px; 
    border-bottom: 1px solid var(--sas-ai-border); 
    flex-shrink: 0;
}

.sas-card__overlay { 
    position: absolute; bottom: 0; left: 0; right: 0; 
    background: rgba(0,0,0,0.7); color: #fff; 
    font-size: 10px; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px;
    padding: 6px 10px; text-align: left; 
    opacity: 0; transition: opacity 0.2s; pointer-events: none; 
}
.sas-card:hover .sas-card__overlay { opacity: 1; }

.sas-card__badge { 
    position: absolute; top: 10px; right: 10px; 
    background: #f0f0f0; color: #555; 
    font-size: 10px; text-transform: uppercase; font-weight: 700; 
    padding: 4px 8px; border-radius: 4px; 
}

.sas-card__body { 
    padding: 16px 20px; 
    display: flex; 
    flex-direction: column; 
    flex-grow: 1; 
    justify-content: center;
}

.sas-card__meta {
    font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
    color: var(--sas-ai-muted-light); margin-bottom: 6px; letter-spacing: 0.05em;
}

.sas-card__title { 
    margin: 0 0 8px 0; 
    font-size: 1rem;
    line-height: 1.3; 
    font-weight: 700; 
    color: var(--sas-ai-accent);
}

.sas-card__desc { 
    font-size: 0.9em; 
    color: var(--sas-ai-muted); 
    margin: 0; 
    line-height: 1.5; 
    display: -webkit-box; 
    -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical; 
    overflow: hidden; 
}

/* HORIZONTAL CARD MODIFIER */
.sas-card--horizontal,
.sas-ai-search__results-list .sas-card,
.sas-active-chat .sas-ai-search__results .sas-card {
    flex-direction: row !important;
    align-items: flex-start !important;
    min-height: 120px !important;
    height: auto !important;
}

.sas-card--horizontal .sas-card__media,
.sas-ai-search__results-list .sas-card__media,
.sas-active-chat .sas-ai-search__results .sas-card__media {
    width: 200px !important;
    min-width: 200px;
    height: 200px !important;
    flex-shrink: 0;
    border-right: 1px solid var(--sas-ai-border);
    border-bottom: none !important;
    position: relative;
    background-color: var(--sas-ai-bg-soft);
}

.sas-card--horizontal .sas-card__media img {
    position: absolute; top:0; left:0;
    width: 100%; height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   3. WIDGETS
   ========================================================================== */
.sas-widget__grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 20px; 
}

.sas-widget__header { 
    font-size: 1.1em; 
    border-bottom: 2px solid var(--sas-ai-border); 
    padding-bottom: 8px; 
    margin-bottom: 16px; 
    color: var(--sas-ai-text); 
    font-weight: 700; 
}

.sas-widget__questions { 
    margin-top: 25px; 
    padding-top: 20px; 
    border-top: 1px dashed var(--sas-ai-border); 
}

.sas-questions__label { 
    display: block; 
    font-size: 0.75em; 
    text-transform: uppercase; 
    color: var(--sas-ai-muted); 
    margin-bottom: 12px; 
    font-weight: 700; 
    letter-spacing: 0.5px; 
}

.sas-questions__list { 
    list-style: none; 
    margin: 0; 
    padding: 0; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
}

.sas-question-link { 
    display: block; 
    padding: 10px 12px; 
    background: #fff; 
    border: 1px solid var(--sas-ai-border); 
    border-radius: 6px; 
    font-size: 0.9em; 
    color: var(--sas-ai-accent); 
    text-decoration: none; 
    line-height: 1.4; 
    transition: all 0.2s ease; 
}

.sas-question-link:hover { 
    background: var(--sas-ai-bg-soft); 
    border-color: var(--sas-ai-accent); 
    text-decoration: none; 
}

/* ==========================================================================
   4. CONTEXT FIELDS (Metadata Injection)
   ========================================================================== */
.sas-context-grid {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 4px 12px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--sas-ai-border);
    align-items: baseline;
}

.sas-context-item { display: contents; }

.sas-ctx-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--sas-ai-muted-light);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.sas-ctx-val {
    font-size: 11px;
    line-height: 1.3;
    min-width: 0;
    display: block;
    color: var(--sas-ai-text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sas-ctx-val a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}
.sas-ctx-val a:hover {
    color: var(--sas-ai-accent);
    border-bottom-color: var(--sas-ai-accent);
}

/* ==========================================================================
   5. STYLE MODIFIERS (Flat & Subtle)
   ========================================================================== */
.sas-style-flat .sas-card {
    box-shadow: none !important;
    border-radius: 0; 
    border: none;
    background: transparent;
    padding: 0; 
    margin-bottom: 20px;
}

.sas-style-flat .sas-card:hover {
    transform: none !important;
    box-shadow: none !important;
}

.sas-style-flat .sas-card:hover .sas-card__title {
    text-decoration: underline;
    text-decoration-color: var(--sas-ai-accent);
    text-underline-offset: 3px;
}

.sas-style-flat .sas-card:not(.sas-card--horizontal) .sas-card__media {
    width: 100%;
    height: 180px;
    border: none !important;
    border-radius: 4px !important;
    margin-bottom: 12px;
}

.sas-style-flat .sas-card:not(.sas-card--horizontal) .sas-card__media img {
    width: 100%; height: 100%; object-fit: cover;
}

.sas-style-flat .sas-card:not(.sas-card--horizontal) .sas-card__body {
    padding: 0 !important;
}

.sas-style-flat .sas-card--horizontal .sas-card__media {
    border: none !important;
    border-radius: 4px !important;
    width: 160px !important;
    height: 120px !important; 
    min-height: 100px !important;
    flex-shrink: 0;
}

.sas-style-flat .sas-card--horizontal .sas-card__body {
    padding: 0 0 0 15px;
    border: none !important;
    justify-content: flex-start !important; 
}

.sas-style-subtle .sas-card__media img {
    filter: grayscale(100%);
    transition: filter 0.3s ease, transform 0.3s ease;
}
.sas-style-subtle .sas-card__media--fallback {
    filter: grayscale(100%);
    opacity: 0.8;
    transition: all 0.3s ease;
}
.sas-style-subtle .sas-card__body {
    opacity: 0.75; 
    transition: opacity 0.3s ease;
}
.sas-style-subtle .sas-card:hover .sas-card__media img,
.sas-style-subtle .sas-card:hover .sas-card__media--fallback {
    filter: grayscale(0%); opacity: 1;
}
.sas-style-subtle .sas-card:hover .sas-card__body { opacity: 1; }

/* ==========================================================================
   6. MOBILE RESPONSIVE OVERRIDES
   ========================================================================== */
@media (max-width: 991px) {
  .sas-widget--vertical .sas-widget__grid .sas-card {
      flex-direction: row !important;
      min-height: 100px;
      align-items: stretch;
  }
  .sas-widget--vertical .sas-widget__grid .sas-card__media {
      width: 120px !important;
      height: auto !important;
      border-bottom: none !important;
      border-right: 1px solid var(--sas-ai-border);
      flex-shrink: 0;
  }
  .sas-widget--vertical .sas-widget__grid .sas-card__media img {
      position: absolute; top:0; left:0; width:100%; height:100%; object-fit:cover;
  }
  .sas-style-flat .sas-widget--vertical .sas-widget__grid .sas-card__media {
      border: none !important;
      height: auto !important;
      min-height: 90px;
  }
  .sas-style-flat .sas-widget--vertical .sas-widget__grid .sas-card__body {
      padding: 0 0 0 15px !important;
      justify-content: center;
  }
}

@media (max-width: 768px) {
    .sas-card--horizontal {
        width: 100%;
        align-items: center !important; 
        min-height: auto !important;
        padding: 12px;
        gap: 0;    
    }
    .sas-card--horizontal .sas-card__media {
        display: none !important;
    }
    .sas-card--horizontal .sas-card__body {
        padding: 0 !important;
        width: 100%;
        min-width: 0; 
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .sas-card__title { 
        font-size: 0.95rem; 
        margin-bottom: 2px; 
        line-height: 1.3;
    }
    .sas-card__desc { 
        font-size: 0.8rem; 
        -webkit-line-clamp: 2; 
        line-height: 1.4;
    }
    .sas-card__meta { margin-bottom: 2px; font-size: 0.65rem; }
    .sas-card--horizontal .sas-card__body {
        padding: 12px 15px !important; 
        border-left: none !important;
        padding: 0 !important;
    }
    .sas-card__title, .sas-card__desc {
        margin-left: 0 !important;
    }
    .sas-context-grid {
        display: flex;
        flex-wrap: wrap; 
        gap: 6px 12px;   
        margin-top: 8px; 
        padding-top: 8px;
        border-top: 1px dashed var(--sas-ai-border); 
    }
    .sas-context-item { 
        display: flex; 
        align-items: baseline;
        gap: 4px;
    } 
    .sas-ctx-label { 
        margin-bottom: 0; 
        font-size: 10px; 
    }
    .sas-ctx-val {
        font-size: 12px;
    }
}

/* ==========================================================================
   LOADING ANIMATION (Core)
   ========================================================================== */
.sas-loading-dots { display: inline-flex; gap: 6px; padding: 10px 0; }
.sas-loading-dots span {
  width: 12px; height: 12px; background-color: var(--sas-primary);
  border-radius: 50%; display: inline-block;
  animation: sas-bounce 1.4s infinite ease-in-out both;
}
.sas-loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.sas-loading-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes sas-bounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   HIGHLIGHT-TO-SEARCH TOOLTIP
   ========================================================================== */
.sas-highlight-tooltip {
    position: absolute;
    z-index: 99999;
    background: #1e293b;
    color: #fff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 6px;
    transform: translateX(-50%) translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.sas-highlight-tooltip.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-40px);
    pointer-events: auto;
}

.sas-highlight-tooltip:hover {
    background: var(--sas-ai-accent);
}