/**
 * AI Explain + AI Summary Styles
 *
 * @version 2.0.0
 *
 * v2.0.0 - AI Summary redesign: matches PDF/Doc checker Dark Inside style
 *         - Dark card button with purple left border, icon circle, CTA pill
 *         - Placed above tabs (not above score)
 * v1.1.0 - Dark Inside redesign sync
 * v1.0.0 - Initial release
 *
 * Uses existing CSS variables from style.css:
 * --acc-card-flat, --acc-card-border, --acc-card-radius, --acc-font-body
 * --acc-blue, --acc-dark, --acc-blue-light, --acc-border-radius, --acc-text-body
 */

/* ============================================================================
   AI EXPLAIN BUTTON
   Placed after How to Fix section, before Show in Preview
   ============================================================================ */

.acp-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    margin-right: 8px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: var(--acc-border-radius, 6px);
    font-size: var(--acc-text-small, 1.3rem);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.acp-ai-btn:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.acp-ai-btn:active {
    transform: translateY(0);
}

.acp-ai-btn.acp-ai-active {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

/* Loading state */
.acp-ai-btn.acp-ai-loading {
    opacity: 0.8;
    cursor: wait;
}

.acp-ai-btn.acp-ai-loading .acp-ai-btn-icon {
    animation: acp-ai-spin 1s linear infinite;
}

@keyframes acp-ai-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================================================
   AI RESPONSE BOX (per-issue explain)
   ============================================================================ */

.acp-ai-response {
    margin-top: 12px;
    padding: 0;
    background: rgba(99, 102, 241, 0.08);
    border-left: 2px solid #6366f1;
    border-radius: 0 var(--acc-border-radius, 6px) var(--acc-border-radius, 6px) 0;
    overflow: hidden;
}

.acp-ai-response-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 15px;
    font-weight: 600;
    font-size: var(--acc-text-small, 1.3rem);
    color: #a5b4fc;
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.acp-ai-response-header svg {
    flex-shrink: 0;
    stroke: #a5b4fc;
}

.acp-ai-error-header {
    color: #dc2626;
}

.acp-ai-cached {
    margin-left: auto;
    font-size: 1.1rem;
    opacity: 0.6;
    cursor: help;
}

.acp-ai-response-body {
    padding: 12px 15px;
    font-size: var(--acc-text-body, 1.4rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

/* Code blocks in AI response */
.acp-ai-response-body pre.acp-ai-code {
    margin: 10px 0;
    padding: 12px;
    background: var(--acc-dark, #1a2234);
    color: #e2e8f0;
    border-radius: var(--acc-border-radius, 6px);
    font-size: var(--acc-text-small, 1.3rem);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.acp-ai-response-body pre.acp-ai-code code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Inline code */
.acp-ai-response-body code.acp-ai-inline-code {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.9em;
}

.acp-ai-response-body strong {
    color: #fff;
}

/* ============================================================================
   LOADING ANIMATION (3 dots) — shared by Explain + Summary
   ============================================================================ */

.acp-ai-response-loading {
    padding: 15px;
    text-align: center;
}

.acp-ai-dots {
    display: inline-flex;
    gap: 4px;
}

.acp-ai-dots span {
    width: 8px;
    height: 8px;
    background: #6366f1;
    border-radius: 50%;
    animation: acp-ai-bounce 1.4s ease-in-out infinite;
}

.acp-ai-dots span:nth-child(1) { animation-delay: 0s; }
.acp-ai-dots span:nth-child(2) { animation-delay: 0.2s; }
.acp-ai-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes acp-ai-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.4;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================================================
   AI SUMMARY — Full Report Summary (v2.0.0)
   Matches PDF/Doc checker Dark Inside style exactly
   Placed above tabs (before .report-tabs)
   ============================================================================ */

/* ── Wrapper ── */
.acp-ai-summary-wrap {
    margin: 0 0 16px;
}

/* ── Main button — dark card + purple left border ── */
.acp-ai-summary-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 15px 20px;
    background: var(--acc-card-flat);
    border: var(--acc-card-border);
    border-left: 3px solid #7c3aed;
    border-radius: var(--acc-card-radius);
    cursor: pointer;
    color: rgba(255, 255, 255, 0.85);
    text-align: left;
    transition: all 0.2s ease;
    font-family: var(--acc-font-body);
}
.acp-ai-summary-btn:hover:not(:disabled) {
    background: rgba(26, 34, 52, 0.98);
    border-left-color: #a78bfa;
    color: #fff;
}
.acp-ai-summary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.acp-ai-summary-btn[aria-expanded="true"] {
    border-radius: var(--acc-card-radius) var(--acc-card-radius) 0 0;
    border-left-color: #a78bfa;
    border-bottom-color: transparent;
}

/* ── Icon circle ── */
.acp-ai-summary-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 50%;
    flex-shrink: 0;
    color: #a78bfa;
}

/* ── Labels ── */
.acp-ai-summary-btn-label {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.acp-ai-summary-btn-title {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}
.acp-ai-summary-btn-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 400;
}

/* ── CTA pill ── */
.acp-ai-summary-btn-cta {
    font-size: 12px;
    font-weight: 600;
    color: #a78bfa;
    background: rgba(124, 58, 237, 0.12);
    border: 1px solid rgba(124, 58, 237, 0.25);
    padding: 5px 12px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.15s ease;
}
.acp-ai-summary-btn:hover:not(:disabled) .acp-ai-summary-btn-cta {
    background: rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.4);
    color: #c4b5fd;
}

/* ── Expandable box — same dark card as AI Explain ── */
.acp-ai-summary-box {
    background: rgba(26, 34, 52, 0.95);
    border: var(--acc-card-border);
    border-top: none;
    border-left: 3px solid #7c3aed;
    border-radius: 0 0 var(--acc-card-radius) var(--acc-card-radius);
    padding: 18px 20px;
}

/* ── Loading ── */
.acp-ai-summary-loading-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
    padding: 4px 0;
}

/* ── Header inside box ── */
.acp-ai-summary-header {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 700;
    color: #c4b5fd;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}
.acp-ai-summary-header svg {
    stroke: #a78bfa;
    flex-shrink: 0;
}

/* ── Summary text ── */
.acp-ai-summary-text {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.88);
}
.acp-ai-summary-label {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 12px;
    margin-bottom: 3px;
}
.acp-ai-summary-label:first-child {
    margin-top: 0;
}
.acp-ai-summary-cached {
    margin-left: 8px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

/* ── Error ── */
.acp-ai-summary-error {
    font-size: 13px;
    color: rgba(248, 113, 113, 0.85);
    padding: 4px 0;
}

/* ── Mobile ── */
@media (max-width: 600px) {
    .acp-ai-summary-btn {
        padding: 13px 16px;
        gap: 12px;
    }
    .acp-ai-summary-btn-icon {
        width: 32px;
        height: 32px;
    }
    .acp-ai-summary-btn-sub,
    .acp-ai-summary-btn-cta {
        display: none;
    }
}