/**
 * AI Handoff Styles — PDF Accessibility Checker
 *
 * Dark Inside Design, matching the PDF Checker report look.
 *
 * Uses existing tokens from pdf-style.css:
 *   --pdf-card-flat, --pdf-card-border, --pdf-card-radius
 *   --pdf-font-body (DM Sans), --pdf-font-code (Space Mono)
 *   --pdf-red, --pdf-red-dark, --pdf-blue, --pdf-blue-light, --pdf-dark
 *   --pdf-green, --pdf-text-body, --pdf-text-small
 *
 * Scoped namespace: .pdfac-aih
 *
 * @package PDFAccessibilityChecker
 * @version 1.0.0
 */

/* ============================================================================
   HOST (placeholder until JS hydrates)
   ============================================================================ */
.pdfac-aih[hidden] { display: none; }
.pdfac-aih {
    margin: 24px 0;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #ffffff !important;
    opacity: 1 !important;
}
.pdfac-aih * {
    /* Defeat any inherited text-shadow / filter from host report CSS */
    text-shadow: none !important;
    filter: none !important;
}

/* ============================================================================
   CARD — Dark Inside
   ============================================================================ */
.pdfac-aih__card {
    background: #1a2234 !important;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 8px;
    border-top: 4px solid #dc2626;
    padding: 28px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.25), 0 4px 8px rgba(0,0,0,0.12);
    color: #ffffff !important;
}

/* ============================================================================
   HEADER
   ============================================================================ */
.pdfac-aih__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}
.pdfac-aih__head-left { flex: 1; min-width: 240px; }

.pdfac-aih__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 100px;
    background: rgba(220, 38, 38, 0.22) !important;
    color: #fecaca !important;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    border: 1px solid rgba(220, 38, 38, 0.45);
}
.pdfac-aih__badge--in-modal { margin-bottom: 14px; }
.pdfac-aih__badge svg { color: currentColor; }

.pdfac-aih__title {
    font-size: 22px !important;
    font-weight: 700 !important;
    margin: 0 0 8px !important;
    letter-spacing: -0.01em;
    color: #ffffff !important;
    line-height: 1.25 !important;
    opacity: 1 !important;
}
.pdfac-aih__sub {
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.85) !important;
    margin: 0 !important;
    opacity: 1 !important;
}

.pdfac-aih__info {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #ffffff !important;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.pdfac-aih__info:hover { border-color: rgba(255,255,255,0.45); background: rgba(255,255,255,0.12); }
.pdfac-aih__info:focus-visible { outline: 3px solid #dc2626; outline-offset: 2px; }

/* ============================================================================
   CONTROLS
   ============================================================================ */
.pdfac-aih__controls {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}
.pdfac-aih__control {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pdfac-aih__control-label {
    font-size: 11px !important;
    font-weight: 700 !important;
    color: rgba(255,255,255,0.75) !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 1 !important;
}
.pdfac-aih__select,
.pdfac-aih__input {
    min-height: 44px;
    padding: 0 12px;
    padding-right: 32px;
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 10px;
    background: rgba(0,0,0,0.32) !important;
    color: #ffffff !important;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    appearance: none;
    -webkit-appearance: none;
    opacity: 1 !important;
}
.pdfac-aih__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpolyline points='1,1 6,6 11,1'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 10px 8px;
}
.pdfac-aih__input { padding-right: 12px; }
.pdfac-aih__select:focus-visible,
.pdfac-aih__input:focus-visible {
    outline: 3px solid #dc2626;
    outline-offset: 2px;
    border-color: rgba(255,255,255,0.4);
}
.pdfac-aih__select option { color: #1a2234; background: #fff; }

.pdfac-aih__meta-wrap { display: flex; align-items: flex-end; }
.pdfac-aih__meta {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    font-size: 12px;
    color: rgba(255,255,255,0.88) !important;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 10px;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

/* ============================================================================
   PREVIEW
   ============================================================================ */
.pdfac-aih__preview {
    background: rgba(0,0,0,0.32);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 18px;
}
.pdfac-aih__preview summary {
    cursor: pointer;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff !important;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
    gap: 14px;
}
.pdfac-aih__preview summary::-webkit-details-marker { display: none; }
.pdfac-aih__preview summary::after {
    content: "+";
    font-size: 20px;
    color: rgba(255,255,255,0.85);
    flex-shrink: 0;
    transition: transform 0.2s ease;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.pdfac-aih__preview[open] summary::after { transform: rotate(45deg); }
.pdfac-aih__preview summary:focus-visible {
    outline: 3px solid #dc2626;
    outline-offset: -3px;
}
.pdfac-aih__preview-hint {
    font-weight: 400;
    color: rgba(255,255,255,0.7) !important;
    font-size: 12px;
}
.pdfac-aih__preview-body { padding: 0 14px 14px; }
.pdfac-aih__pre {
    margin: 0;
    padding: 14px;
    background: #0b1120;
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 6px;
    font-family: 'Space Mono', monospace;
    font-size: 12.5px;
    line-height: 1.55;
    overflow: auto;
    max-height: 280px;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ============================================================================
   ACTIONS
   ============================================================================ */
.pdfac-aih__actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.pdfac-aih__sep {
    font-size: 13px;
    color: rgba(255,255,255,0.75) !important;
}
.pdfac-aih__spacer { flex: 1 1 auto; min-width: 0; }

.pdfac-aih__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 20px;
    border: none;
    border-radius: 10px;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    color: #ffffff !important;
}
.pdfac-aih__btn--primary {
    background: linear-gradient(135deg, #dc2626, #ef4444) !important;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.35);
}
.pdfac-aih__btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(220, 38, 38, 0.45);
}
.pdfac-aih__btn--primary:active { transform: translateY(0); }

.pdfac-aih__btn--pdf {
    background: linear-gradient(135deg, #1e5f99, #2563eb) !important;
    box-shadow: 0 2px 8px rgba(30, 95, 153, 0.35);
}
.pdfac-aih__btn--pdf:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(30, 95, 153, 0.45);
}
.pdfac-aih__btn--pdf:active { transform: translateY(0); }

.pdfac-aih__btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

.pdfac-aih__providers {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.pdfac-aih__provider {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid rgba(255,255,255,0.24);
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    color: #ffffff !important;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.pdfac-aih__provider:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.12);
    transform: translateY(-1px);
}
.pdfac-aih__provider:focus-visible {
    outline: 3px solid #dc2626;
    outline-offset: 2px;
}
.pdfac-aih__provider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}
.pdfac-aih__provider-dot--chatgpt    { background: #10a37f; }
.pdfac-aih__provider-dot--claude     { background: #d97757; }
.pdfac-aih__provider-dot--gemini     { background: #4285f4; }
.pdfac-aih__provider-dot--perplexity { background: #20808d; }

/* ============================================================================
   STATUS + TIP
   ============================================================================ */
.pdfac-aih__status {
    font-size: 13px;
    color: rgba(255,255,255,0.85) !important;
    margin-bottom: 14px;
    padding: 6px 0;
    min-height: 22px;
    font-weight: 500;
}
.pdfac-aih__status[data-state="copied"] {
    color: #86efac !important;
    font-weight: 600;
}

.pdfac-aih__tip {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    background: rgba(30, 95, 153, 0.22);
    border-left: 3px solid #2563eb;
    border-radius: 10px;
}
.pdfac-aih__tip-icon {
    flex-shrink: 0;
    width: 24px; height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #93c5fd;
}
.pdfac-aih__tip p {
    margin: 0 !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.92) !important;
    opacity: 1 !important;
}
.pdfac-aih__tip strong { color: #ffffff !important; font-weight: 700; }

/* ============================================================================
   MODAL
   ============================================================================ */
.pdfac-aih__modal[hidden] { display: none; }
.pdfac-aih__modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.pdfac-aih__modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 11, 20, 0.78);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}
.pdfac-aih__modal-body {
    position: relative;
    background: #141b2d !important;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    padding: 32px 32px 28px;
    max-width: 640px;
    width: 100%;
    box-shadow: 0 24px 48px rgba(0,0,0,0.5);
    color: #ffffff !important;
    max-height: calc(100vh - 48px);
    overflow: auto;
    outline: none;
    opacity: 1 !important;
}
.pdfac-aih__modal-body:focus-visible {
    outline: 3px solid #dc2626;
    outline-offset: 4px;
}
.pdfac-aih__modal-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 40px; height: 40px;
    border: 0;
    background: rgba(255,255,255,0.12);
    border-radius: 10px;
    color: #ffffff !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.pdfac-aih__modal-close:hover { background: rgba(255,255,255,0.22); }
.pdfac-aih__modal-close:focus-visible {
    outline: 3px solid #dc2626;
    outline-offset: 2px;
}

.pdfac-aih__modal-title {
    font-size: 24px !important;
    font-weight: 700 !important;
    margin: 0 0 10px !important;
    letter-spacing: -0.015em;
    color: #ffffff !important;
    opacity: 1 !important;
    line-height: 1.25 !important;
}
.pdfac-aih__modal-desc {
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.85) !important;
    margin: 0 0 22px !important;
    opacity: 1 !important;
}

.pdfac-aih__steps {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 6px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
}
.pdfac-aih__steps li {
    display: flex !important;
    gap: 14px !important;
    align-items: flex-start !important;
    list-style: none !important;
    padding-left: 0 !important;
    background: transparent !important;
}
.pdfac-aih__steps li::before { display: none !important; content: none !important; }
.pdfac-aih__step-num {
    flex-shrink: 0;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #dc2626, #ef4444) !important;
    color: #ffffff !important;
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.pdfac-aih__step-body { flex: 1; min-width: 0; }
.pdfac-aih__steps h4 {
    font-size: 15px !important;
    font-weight: 700 !important;
    margin: 0 0 4px !important;
    color: #ffffff !important;
    opacity: 1 !important;
    line-height: 1.35 !important;
}
.pdfac-aih__steps p {
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.88) !important;
    margin: 0 !important;
    opacity: 1 !important;
}

.pdfac-aih__divider {
    height: 1px;
    background: rgba(255,255,255,0.14);
    margin: 22px 0;
    border: 0;
}

.pdfac-aih__modal-subhead {
    font-size: 12px !important;
    font-weight: 700 !important;
    margin: 0 0 12px !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.78) !important;
    opacity: 1 !important;
}
.pdfac-aih__modal-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 4px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
}
.pdfac-aih__modal-list li {
    position: relative;
    padding-left: 26px !important;
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.92) !important;
    opacity: 1 !important;
    list-style: none !important;
    background: transparent !important;
}
.pdfac-aih__modal-list li::before {
    content: "" !important;
    position: absolute;
    left: 0; top: 4px;
    width: 16px; height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386efac' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    display: block !important;
}

.pdfac-aih__privacy {
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: rgba(255,255,255,0.92) !important;
    margin: 0 0 18px !important;
    padding: 12px 14px;
    background: rgba(180, 83, 9, 0.22);
    border-left: 3px solid rgba(217, 119, 6, 0.9);
    border-radius: 10px;
    opacity: 1 !important;
}
.pdfac-aih__modal-foot {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}

body.pdfac-aih-modal-open { overflow: hidden; }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 900px) {
    .pdfac-aih__controls { grid-template-columns: repeat(2, 1fr); }
    .pdfac-aih__spacer { display: none; }
}
@media (max-width: 600px) {
    .pdfac-aih__card { padding: 22px 18px; }
    .pdfac-aih__controls { grid-template-columns: 1fr; }
    .pdfac-aih__providers { width: 100%; }
    .pdfac-aih__provider { flex: 1 1 calc(50% - 4px); justify-content: center; min-width: 120px; }
    .pdfac-aih__sep { display: none; }
    .pdfac-aih__btn { width: 100%; }
    .pdfac-aih__modal-body { padding: 24px 20px 22px; }
    .pdfac-aih__modal-title { font-size: 20px !important; }
}

/* ============================================================================
   A11Y — reduced motion
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
    .pdfac-aih__btn,
    .pdfac-aih__provider,
    .pdfac-aih__info,
    .pdfac-aih__preview summary::after,
    .pdfac-aih__modal-close {
        transition: none !important;
        transform: none !important;
    }
}