/* =====================================================================
   VikCraftPDFEditor.css  v2.0
   ===================================================================== */

/* ── Theme variables ─────────────────────────────────────────── */
:root {
    --vc-pdf-bg-primary       : #ffffff;
    --vc-pdf-bg-secondary     : #f0f2f5;
    --vc-pdf-bg-toolbar       : #ffffff;
    --vc-pdf-bg-button        : #f1f3f5;
    --vc-pdf-bg-button-hover  : #e2e6ea;
    --vc-pdf-bg-button-active : #0d6efd;
    --vc-pdf-bg-modal         : #ffffff;
    --vc-pdf-text-primary     : #212529;
    --vc-pdf-text-secondary   : #6c757d;
    --vc-pdf-border-color     : #dee2e6;
    --vc-pdf-shadow-color     : rgba(0,0,0,.12);
    --vc-pdf-bg-tooltip       : #212529;
    --vc-pdf-text-tooltip     : #ffffff;
    --vc-pdf-accent           : #0d6efd;
    --vc-pdf-ai-bg            : #f8f9ff;
    --vc-pdf-ai-border        : #d0d7ff;
    --vc-pdf-ai-user-bg       : #0d6efd;
    --vc-pdf-ai-bot-bg        : #e9ecef;
    --vc-pdf-ai-bot-ink       : #212529;
}

[data-theme="dark"] {
    --vc-pdf-bg-primary       : #121212;
    --vc-pdf-bg-secondary     : #1a1a2e;
    --vc-pdf-bg-toolbar       : #1e1e2e;
    --vc-pdf-bg-button        : #2a2a3e;
    --vc-pdf-bg-button-hover  : #3a3a50;
    --vc-pdf-bg-button-active : #295b9c;
    --vc-pdf-bg-modal         : #1e1e2e;
    --vc-pdf-text-primary     : #e0e0f0;
    --vc-pdf-text-secondary   : #9090b0;
    --vc-pdf-border-color     : #3a3a50;
    --vc-pdf-shadow-color     : rgba(0,0,0,.5);
    --vc-pdf-bg-tooltip       : #f0f0ff;
    --vc-pdf-text-tooltip     : #111;
    --vc-pdf-accent           : #5b9cf6;
    --vc-pdf-ai-bg            : #1a1a30;
    --vc-pdf-ai-border        : #3a3a60;
    --vc-pdf-ai-user-bg       : #295b9c;
    --vc-pdf-ai-bot-bg        : #2a2a3e;
    --vc-pdf-ai-bot-ink       : #e0e0f0;
}

/* ── Container ───────────────────────────────────────────────── */
#pdf-editor-container { width: 100%; height: 100%; position: relative; }

/* ── Main grid ────────────────────────────────────────────────── */
.vc-pdf-main-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    height: 100%; width: 100%;
    gap: 0;
    background-color: var(--vc-pdf-bg-secondary);
    transition: grid-template-columns .3s ease;
}
.vc-pdf-main-grid.single-column { grid-template-columns: 1fr; }

/* ── Viewer wrapper ───────────────────────────────────────────── */
.vc-pdf-viewer-wrapper {
    display: flex; flex-direction: column;
    background-color: var(--vc-pdf-bg-primary);
    border-right: 1px solid var(--vc-pdf-border-color);
    overflow: hidden; min-width: 0;
}

/* ── Toolbar ──────────────────────────────────────────────────── */
#vc-pdf-toolbar {
    display: flex; flex-direction: column;
    background-color: var(--vc-pdf-bg-toolbar);
    border-bottom: 1px solid var(--vc-pdf-border-color);
    flex-shrink: 0;
    padding: 4px 6px;
    gap: 4px;
}
.vc-toolbar-row {
    display: flex; align-items: center;
    flex-wrap: wrap; gap: 4px;
}
.vc-pdf-tool-group { display: flex; align-items: center; gap: 3px; }
.vc-pdf-spacer { width: 1px; height: 22px; background-color: var(--vc-pdf-border-color); margin: 0 3px; flex-shrink: 0; }

#vc-pdf-toolbar button {
    background-color: var(--vc-pdf-bg-button);
    color: var(--vc-pdf-text-secondary);
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 0; width: 30px; height: 30px;
    cursor: pointer; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s, color .15s, box-shadow .15s;
    white-space: nowrap;
}
#vc-pdf-toolbar button:hover { background-color: var(--vc-pdf-bg-button-hover); color: var(--vc-pdf-text-primary); }
#vc-pdf-toolbar button.active {
    background-color: var(--vc-pdf-bg-button-active);
    border-color: transparent; color: #fff;
    box-shadow: 0 0 0 2px rgba(13,110,253,.25);
}
#vc-pdf-toolbar button:disabled { opacity: .4; cursor: not-allowed; }
#vc-pdf-toolbar .vc-pdf-spacer { margin: 0 4px; }

#vc-pdf-toolbar input[type="number"] {
    width: 44px; text-align: center;
    border: 1px solid var(--vc-pdf-border-color);
    background-color: var(--vc-pdf-bg-primary);
    color: var(--vc-pdf-text-primary);
    border-radius: 6px; height: 30px; font-size: 12px;
}
.vc-pdf-page-indicator { font-size: 12px; color: var(--vc-pdf-text-secondary); margin: 0 2px; }

/* ── Mode bar ─────────────────────────────────────────────────── */
#vc-pdf-mode-bar {
    display: flex; align-items: center;
    padding: 3px 10px;
    background-color: var(--vc-pdf-bg-toolbar);
    border-bottom: 1px solid var(--vc-pdf-border-color);
    flex-shrink: 0; gap: 8px;
}
.vc-mode-badge {
    font-size: 10px; font-weight: 700; letter-spacing: .08em;
    padding: 2px 8px; border-radius: 20px; text-transform: uppercase;
}
.mode-view    { background: #e3f2fd; color: #1565c0; }
.mode-comment { background: #fff8e1; color: #e65100; }
.mode-edit    { background: #e8f5e9; color: #1b5e20; }
[data-theme="dark"] .mode-view    { background: #0d2545; color: #90caf9; }
[data-theme="dark"] .mode-comment { background: #2d1f00; color: #ffcc80; }
[data-theme="dark"] .mode-edit    { background: #0d2d16; color: #a5d6a7; }

/* ── Viewer main ──────────────────────────────────────────────── */
#vc-pdf-viewer-main {
    flex-grow: 1; overflow: auto;
    text-align: center; padding: 24px 0;
    position: relative;
    background-color: var(--vc-pdf-bg-secondary);
}
#vc-pdf-viewer-main.pan-mode { cursor: grab; }
#vc-pdf-viewer-main.pan-mode.is-panning { cursor: grabbing; }
/* ── Canvas wrapper — shared coordinate origin ────────────────── */
#vc-canvases-wrapper {
    position: relative;
    display: block;
    width: fit-content;
    margin: 0 auto;
    line-height: 0; /* collapse inline whitespace so wrapper height == canvas height */
}
#vc-pdf-pdf-canvas {
    display: block;
    box-shadow: 0 2px 16px var(--vc-pdf-shadow-color);
    border: 1px solid var(--vc-pdf-border-color);
}
/* Fabric injects .canvas-container as absolute — anchor it to the wrapper, not viewer-main */
.canvas-container {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    transform: none !important;
}

/* ── Color palette ────────────────────────────────────────────── */
.vc-pdf-color-box {
    width: 22px; height: 22px; border-radius: 50%;
    cursor: pointer; border: 2px solid transparent;
    transition: transform .1s, border-color .1s;
    flex-shrink: 0;
}
.vc-pdf-color-box:hover  { transform: scale(1.2); }
.vc-pdf-color-box.active { border-color: var(--vc-pdf-accent); transform: scale(1.15); box-shadow: 0 0 0 2px rgba(13,110,253,.3); }
#vc-pdf-color-picker { width: 26px; height: 26px; border: none; background: none; padding: 0; cursor: pointer; border-radius: 50%; }

/* Size buttons */
#vc-pdf-size-selector button { font-size: 10px; font-weight: 700; width: auto; padding: 0 7px; }

/* ── Comments panel ───────────────────────────────────────────── */
.vc-pdf-comments-panel {
    display: flex; flex-direction: column;
    background-color: var(--vc-pdf-bg-primary);
    border-left: 1px solid var(--vc-pdf-border-color);
    min-width: 0;
}
.vc-pdf-comments-header {
    padding: 10px 12px;
    font-weight: 700; font-size: 13px;
    border-bottom: 1px solid var(--vc-pdf-border-color);
    flex-shrink: 0;
    color: var(--vc-pdf-text-primary);
    display: flex; align-items: center;
}
#vc-pdf-comments-list { overflow-y: auto; padding: 6px; flex-grow: 1; }
.vc-no-comments { text-align: center; padding: 24px 12px; color: var(--vc-pdf-text-secondary); font-size: 13px; }
.vc-pdf-comment-card {
    padding: 10px 12px;
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 8px; margin-bottom: 6px;
    cursor: pointer; transition: border-color .2s, box-shadow .2s;
    background: var(--vc-pdf-bg-primary);
}
.vc-pdf-comment-card:hover  { border-color: var(--vc-pdf-accent); }
.vc-pdf-comment-card.active { border-color: var(--vc-pdf-accent); box-shadow: 0 0 0 2px rgba(13,110,253,.2); }
.vc-pdf-comment-card-header { display: flex; align-items: center; gap: 5px; margin-bottom: 5px; flex-wrap: wrap; }
.vc-pdf-comment-user  { font-weight: 600; font-size: 12px; color: var(--vc-pdf-text-primary); }
.vc-pdf-comment-page  { font-size: 11px; color: var(--vc-pdf-text-secondary); margin-left: auto; }
.vc-pdf-comment-body  { font-size: 12px; color: var(--vc-pdf-text-primary); word-break: break-word; line-height: 1.5; }
.vc-comment-footer    { display: flex; align-items: center; justify-content: space-between; margin-top: 5px; }
.vc-comment-cat {
    font-size: 10px; font-weight: 600;
    padding: 1px 6px; border-radius: 10px;
}
.vc-comment-del-btn {
    background: none; border: none; cursor: pointer; padding: 1px 3px;
    font-size: 12px; color: var(--vc-pdf-text-secondary); opacity: .6; transition: opacity .15s;
}
.vc-comment-del-btn:hover { opacity: 1; color: #dc3545; }
#vc-pdf-filter-bar input {
    font-size: 12px; width: 100%; padding: 5px 8px;
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 6px;
    background: var(--vc-pdf-bg-secondary);
    color: var(--vc-pdf-text-primary);
    outline: none; transition: border-color .15s;
}
#vc-pdf-filter-bar input:focus { border-color: var(--vc-pdf-accent); }

/* ── AI Panel ─────────────────────────────────────────────────── */
.vc-ai-panel {
    position: fixed; top: 0; right: -380px; width: 360px; height: 100vh;
    background: var(--vc-pdf-ai-bg);
    border-left: 1px solid var(--vc-pdf-ai-border);
    box-shadow: -4px 0 24px var(--vc-pdf-shadow-color);
    display: flex; flex-direction: column;
    z-index: 500; transition: right .3s ease;
}
.vc-ai-panel.open { right: 0; }

.vc-ai-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    font-weight: 700; font-size: 14px;
    color: var(--vc-pdf-text-primary);
    border-bottom: 1px solid var(--vc-pdf-ai-border);
    flex-shrink: 0;
}
.vc-ai-header button {
    background: none; border: none; cursor: pointer; font-size: 16px;
    color: var(--vc-pdf-text-secondary); line-height: 1;
    padding: 2px 6px; border-radius: 4px; transition: background .15s;
}
.vc-ai-header button:hover { background: var(--vc-pdf-bg-button-hover); }

.vc-ai-quick-actions {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 6px; padding: 10px 12px;
    border-bottom: 1px solid var(--vc-pdf-ai-border); flex-shrink: 0;
}
.vc-ai-action-btn {
    background: var(--vc-pdf-bg-button); color: var(--vc-pdf-text-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 8px; padding: 7px 8px;
    cursor: pointer; font-size: 11px; font-weight: 600;
    text-align: center; transition: background .15s, border-color .15s;
    line-height: 1.3;
}
.vc-ai-action-btn:hover { background: var(--vc-pdf-bg-button-hover); border-color: var(--vc-pdf-accent); }

.vc-ai-translate-row {
    display: flex; gap: 6px; padding: 8px 12px;
    border-bottom: 1px solid var(--vc-pdf-ai-border); flex-shrink: 0;
}
.vc-ai-translate-row select {
    padding: 5px 8px; border-radius: 6px; font-size: 12px;
    border: 1px solid var(--vc-pdf-border-color);
    background: var(--vc-pdf-bg-primary); color: var(--vc-pdf-text-primary);
}
.vc-ai-translate-row .vc-ai-action-btn { flex: 1; }

.vc-ai-messages {
    flex: 1; overflow-y: auto; padding: 10px 12px;
    display: flex; flex-direction: column; gap: 8px;
}
.vc-ai-msg {
    max-width: 88%; padding: 9px 12px; border-radius: 14px;
    font-size: 13px; line-height: 1.5; word-break: break-word;
}
.vc-ai-msg-user {
    background: var(--vc-pdf-ai-user-bg); color: #fff;
    align-self: flex-end; border-bottom-right-radius: 4px;
}
.vc-ai-msg-assistant {
    background: var(--vc-pdf-ai-bot-bg); color: var(--vc-pdf-ai-bot-ink);
    align-self: flex-start; border-bottom-left-radius: 4px;
}

/* Typing indicator */
.vc-ai-typing { display: flex; align-items: center; gap: 4px; padding: 10px 14px !important; }
.vc-ai-typing span {
    width: 6px; height: 6px; background: #999; border-radius: 50%;
    animation: vc-bounce .9s infinite ease-in-out;
}
.vc-ai-typing span:nth-child(2) { animation-delay: .15s; }
.vc-ai-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes vc-bounce { 0%,80%,100% { transform: scale(.7); opacity:.5; } 40% { transform: scale(1); opacity:1; } }

.vc-ai-input-row {
    display: flex; gap: 6px; padding: 10px 12px;
    border-top: 1px solid var(--vc-pdf-ai-border); flex-shrink: 0;
}
#vc-ai-input {
    flex: 1; padding: 8px 10px; font-size: 13px;
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 8px; resize: none;
    background: var(--vc-pdf-bg-primary); color: var(--vc-pdf-text-primary);
    font-family: inherit; line-height: 1.4; outline: none;
    transition: border-color .15s;
}
#vc-ai-input:focus { border-color: var(--vc-pdf-accent); }
#vc-ai-send {
    padding: 0 14px; background: var(--vc-pdf-accent); color: #fff;
    border: none; border-radius: 8px; cursor: pointer;
    font-size: 13px; font-weight: 600; transition: opacity .15s;
}
#vc-ai-send:hover { opacity: .85; }

/* ── AI action button accent variant ─────────────────────────── */
.vc-ai-btn-accent {
    background: #eef2ff !important; border-color: #c7d2fe !important;
    color: #3730a3 !important;
}
.vc-ai-btn-accent:hover { background: #e0e7ff !important; border-color: #818cf8 !important; }
[data-theme="dark"] .vc-ai-btn-accent {
    background: #1e1b4b !important; border-color: #4338ca !important; color: #a5b4fc !important;
}

/* ── AI Hints Bar ─────────────────────────────────────────────── */
.vc-ai-hints-bar {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 10px;
    background: var(--vc-pdf-bg-toolbar);
    border-bottom: 1px solid var(--vc-pdf-border-color);
    flex-shrink: 0; min-height: 34px; flex-wrap: wrap;
}
.vc-hints-label {
    font-size: 11px; font-weight: 700; color: var(--vc-pdf-accent);
    white-space: nowrap; flex-shrink: 0;
}
.vc-hints-chips {
    display: flex; flex-wrap: wrap; gap: 4px; flex: 1; align-items: center;
    min-height: 22px;
}
.vc-hints-scan-btn {
    font-size: 11px; font-weight: 600; padding: 3px 10px;
    border-radius: 6px; border: 1px solid var(--vc-pdf-border-color);
    background: var(--vc-pdf-bg-button); color: var(--vc-pdf-text-primary);
    cursor: pointer; flex-shrink: 0; transition: background .15s;
}
.vc-hints-scan-btn:hover { background: var(--vc-pdf-accent); color: #fff; border-color: var(--vc-pdf-accent); }
.vc-ai-hints-bar.scanning .vc-hints-scan-btn { opacity: .5; pointer-events: none; }
.vc-hint-chip {
    font-size: 11px; padding: 2px 9px; border-radius: 12px;
    cursor: pointer; max-width: 240px; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
    border: 1px solid transparent; transition: opacity .15s;
}
.vc-hint-chip:hover { opacity: .8; }
.vc-hint-info     { background: #e0f2fe; color: #0369a1; border-color: #bae6fd; }
.vc-hint-warning  { background: #fef9c3; color: #854d0e; border-color: #fde68a; }
.vc-hint-critical { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }
.vc-hint-idle     { font-size: 11px; color: var(--vc-pdf-text-secondary); font-style: italic; }
.vc-hint-ok       { font-size: 11px; color: #15803d; font-weight: 600; }
.vc-hint-scanning { font-size: 11px; color: var(--vc-pdf-text-secondary); font-style: italic; }
[data-theme="dark"] .vc-hint-info     { background: #0c4a6e; color: #7dd3fc; border-color: #0369a1; }
[data-theme="dark"] .vc-hint-warning  { background: #451a03; color: #fcd34d; border-color: #92400e; }
[data-theme="dark"] .vc-hint-critical { background: #450a0a; color: #fca5a5; border-color: #991b1b; }

/* ── AI Checklist (eng check) ─────────────────────────────────── */
.vc-ai-checklist { display: flex; flex-direction: column; gap: 4px; width: 100%; }
.vc-ai-checklist-summary {
    display: flex; gap: 8px; padding: 6px 8px; border-radius: 6px;
    background: rgba(0,0,0,.04); font-size: 11px; font-weight: 700;
    flex-wrap: wrap; margin-bottom: 2px;
}
.vc-cs-ok   { color: #15803d; }
.vc-cs-warn { color: #92400e; }
.vc-cs-err  { color: #991b1b; }
.vc-ai-check-item {
    padding: 6px 8px; border-radius: 6px; font-size: 12px; line-height: 1.4;
    background: rgba(0,0,0,.04); display: flex; gap: 6px; align-items: flex-start;
}
.vc-check-ico   { flex-shrink: 0; }
.vc-check-body  { flex: 1; }
.vc-check-cat   { font-weight: 700; }
.vc-check-ok      { border-left: 3px solid #4caf50; }
.vc-check-warning { border-left: 3px solid #ff9800; }
.vc-check-error   { border-left: 3px solid #f44336; }
.vc-check-note  { font-size: 11px; color: var(--vc-pdf-text-secondary); margin-top: 2px; }

/* ── Find Issues result ───────────────────────────────────────── */
.vc-ai-issues { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.vc-ai-no-issues {
    padding: 10px; background: #f0fdf4; border: 1px solid #bbf7d0;
    border-radius: 8px; color: #15803d; font-size: 12px;
}
.vc-ai-issues-header {
    font-size: 12px; font-weight: 700; color: var(--vc-pdf-text-primary);
    padding-bottom: 4px; border-bottom: 1px solid var(--vc-pdf-border-color);
}
.vc-ai-issue-item {
    padding: 8px 10px; border-radius: 8px; font-size: 12px; line-height: 1.5;
    background: rgba(0,0,0,.03); border: 1px solid var(--vc-pdf-border-color);
    display: flex; flex-direction: column; gap: 4px;
}
.vc-issue-error   { border-left: 3px solid #dc2626; }
.vc-issue-warning { border-left: 3px solid #d97706; }
.vc-issue-info    { border-left: 3px solid #2563eb; }
.vc-issue-top     { display: flex; align-items: center; gap: 6px; }
.vc-issue-sev-badge {
    font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 10px;
}
.vc-sev-error   { background: #fee2e2; color: #991b1b; }
.vc-sev-warning { background: #fef3c7; color: #92400e; }
.vc-sev-info    { background: #dbeafe; color: #1d4ed8; }
.vc-issue-cat   { font-size: 10px; color: var(--vc-pdf-text-secondary); font-weight: 600; }
.vc-issue-title { font-weight: 700; font-size: 12px; color: var(--vc-pdf-text-primary); }
.vc-issue-detail{ font-size: 11px; color: var(--vc-pdf-text-secondary); }
.vc-issue-suggest { font-size: 11px; color: #2563eb; font-style: italic; }
.vc-issue-add-btn {
    align-self: flex-start; margin-top: 2px;
    font-size: 11px; font-weight: 700; padding: 3px 10px;
    border-radius: 6px; border: 1px solid var(--vc-pdf-accent);
    background: transparent; color: var(--vc-pdf-accent);
    cursor: pointer; transition: background .15s, color .15s;
}
.vc-issue-add-btn:hover { background: var(--vc-pdf-accent); color: #fff; }

/* ── Annotation quality review ────────────────────────────────── */
.vc-ai-anno-review { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.vc-ai-anno-review-item {
    padding: 8px 10px; border-radius: 8px; font-size: 12px; line-height: 1.4;
    background: rgba(0,0,0,.03); border: 1px solid var(--vc-pdf-border-color);
    display: flex; flex-direction: column; gap: 3px;
}
.vc-aq-good       { border-left: 3px solid #16a34a; }
.vc-aq-vague      { border-left: 3px solid #d97706; }
.vc-aq-incomplete { border-left: 3px solid #ea580c; }
.vc-aq-missing    { border-left: 3px solid #dc2626; }
.vc-aq-top        { display: flex; align-items: center; gap: 6px; }
.vc-aq-badge { font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 10px; }
.vc-aq-badge-good       { background: #dcfce7; color: #15803d; }
.vc-aq-badge-vague      { background: #fef3c7; color: #92400e; }
.vc-aq-badge-incomplete { background: #ffedd5; color: #c2410c; }
.vc-aq-badge-missing    { background: #fee2e2; color: #991b1b; }
.vc-aq-meta    { font-size: 10px; color: var(--vc-pdf-text-secondary); }
.vc-aq-comment { font-size: 11px; color: var(--vc-pdf-text-secondary); font-style: italic; }
.vc-aq-verdict { font-size: 11px; font-weight: 600; color: var(--vc-pdf-text-primary); }
.vc-aq-suggest { font-size: 11px; color: #2563eb; }

/* ── Single annotation AI review ─────────────────────────────── */
.vc-ai-single-review { font-size: 12px; line-height: 1.5; }
.vc-sr-meta    { font-size: 10px; color: var(--vc-pdf-text-secondary); margin-bottom: 3px; font-weight: 600; }
.vc-sr-comment { font-style: italic; color: var(--vc-pdf-text-secondary); margin-bottom: 6px; }
.vc-sr-result  { color: var(--vc-pdf-text-primary); }

/* ── Toast notification ───────────────────────────────────────── */
.vc-ai-toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: #1e293b; color: #f8fafc;
    padding: 10px 22px; border-radius: 24px;
    font-size: 13px; font-weight: 500; z-index: 9999;
    box-shadow: 0 4px 20px rgba(0,0,0,.35);
    opacity: 0; transition: opacity .25s, transform .25s;
    pointer-events: none; white-space: nowrap;
}
.vc-ai-toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── AI msg max-width for rich cards ──────────────────────────── */
.vc-ai-msg-assistant { max-width: 100% !important; }

.vc-spell-result { font-size: 12px; }
.vc-spell-error  { padding: 4px 0; border-bottom: 1px solid var(--vc-pdf-border-color); }
.vc-spell-orig   { color: #dc3545; text-decoration: line-through; }
.vc-spell-fix    { color: #28a745; font-weight: 600; }
.vc-spell-type   { font-size: 10px; color: var(--vc-pdf-text-secondary); }
.vc-spell-exp    { font-size: 11px; color: var(--vc-pdf-text-secondary); margin-top: 1px; }

/* ── Inline Comment Popover ───────────────────────────────────── */
.vc-comment-popover {
    position: fixed; z-index: 800;
    width: 264px;
    background: var(--vc-pdf-bg-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px var(--vc-pdf-shadow-color), 0 0 0 1px rgba(13,110,253,.12);
    padding: 12px;
    animation: vc-pop-in .15s ease;
}
@keyframes vc-pop-in { from { opacity:0; transform:scale(.94) translateY(-4px); } to { opacity:1; transform:none; } }

.vc-popover-header {
    display: flex; align-items: center; gap: 6px; margin-bottom: 8px;
}
.vc-popover-header select {
    flex: 1; padding: 4px 7px; font-size: 12px;
    border: 1px solid var(--vc-pdf-border-color); border-radius: 6px;
    background: var(--vc-pdf-bg-secondary); color: var(--vc-pdf-text-primary);
    outline: none;
}
.vc-popover-header button {
    background: none; border: none; cursor: pointer; font-size: 15px;
    color: var(--vc-pdf-text-secondary); line-height: 1; padding: 2px 5px;
    border-radius: 4px; transition: background .12s;
}
.vc-popover-header button:hover { background: var(--vc-pdf-bg-button-hover); }

#vc-popover-text {
    width: 100%; box-sizing: border-box;
    padding: 8px 10px; font-size: 13px; line-height: 1.5;
    border: 1px solid var(--vc-pdf-border-color); border-radius: 8px;
    background: var(--vc-pdf-bg-secondary); color: var(--vc-pdf-text-primary);
    resize: vertical; font-family: inherit; outline: none;
    transition: border-color .15s;
    margin-bottom: 6px;
}
#vc-popover-text:focus { border-color: var(--vc-pdf-accent); background: var(--vc-pdf-bg-primary); }

#vc-popover-spellresult {
    font-size: 12px; padding: 6px 8px; border-radius: 6px;
    background: var(--vc-pdf-bg-secondary); margin-bottom: 6px;
    border: 1px solid var(--vc-pdf-border-color);
}

.vc-popover-footer {
    display: flex; align-items: center; justify-content: space-between; gap: 6px;
}
.vc-popover-ai-btn {
    font-size: 11px; padding: 5px 9px; border-radius: 8px; cursor: pointer;
    background: linear-gradient(135deg,#667eea,#764ba2); color: #fff;
    border: none; font-weight: 600; transition: opacity .15s;
}
.vc-popover-ai-btn:hover { opacity: .85; }
.vc-popover-spell-btn {
    font-size: 12px; width: 30px; height: 30px; border-radius: 6px;
    background: var(--vc-pdf-bg-button); color: var(--vc-pdf-text-secondary);
    border: 1px solid var(--vc-pdf-border-color); cursor: pointer;
    transition: background .12s;
}
.vc-popover-spell-btn:hover { background: var(--vc-pdf-bg-button-hover); }
#vc-popover-skip {
    padding: 6px 12px; border-radius: 8px; border: 1px solid var(--vc-pdf-border-color);
    background: var(--vc-pdf-bg-button); color: var(--vc-pdf-text-secondary);
    cursor: pointer; font-size: 12px; transition: background .12s;
}
#vc-popover-skip:hover { background: var(--vc-pdf-bg-button-hover); }
#vc-popover-save {
    padding: 6px 14px; border-radius: 8px; border: none;
    background: var(--vc-pdf-accent); color: #fff;
    cursor: pointer; font-size: 12px; font-weight: 600; transition: opacity .15s;
}
#vc-popover-save:hover { opacity: .85; }

/* Hint text on empty comments list */
.vc-no-comments { text-align:center; padding:28px 14px; color:var(--vc-pdf-text-secondary); font-size:13px; line-height:1.6; }

/* CSV button */
.vc-csv-btn {
    float:right; background:none; border:none; cursor:pointer;
    color:var(--vc-pdf-text-secondary); font-size:12px; padding:2px 6px;
    border-radius:4px; transition:background .12s;
}
.vc-csv-btn:hover { background:var(--vc-pdf-bg-button-hover); }

/* ── Stamp picker ─────────────────────────────────────────────── */
.vc-stamp-picker {
    position: fixed; z-index: 600;
    display: flex; flex-wrap: wrap; gap: 5px;
    background: var(--vc-pdf-bg-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 10px; padding: 10px;
    box-shadow: 0 4px 20px var(--vc-pdf-shadow-color);
    max-width: 260px;
}
.vc-stamp-item {
    padding: 4px 10px; border-radius: 5px; cursor: pointer;
    font-size: 11px; font-weight: 700; letter-spacing: .06em;
    border: 1.5px solid; transition: transform .1s, box-shadow .1s;
    white-space: nowrap;
}
.vc-stamp-item:hover { transform: scale(1.05); box-shadow: 0 2px 8px rgba(0,0,0,.15); }

/* ── Category picker ──────────────────────────────────────────── */
.vc-cat-picker {
    position: fixed; z-index: 600;
    display: flex; flex-wrap: wrap; gap: 5px;
    background: var(--vc-pdf-bg-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 10px; padding: 10px;
    box-shadow: 0 4px 20px var(--vc-pdf-shadow-color);
    max-width: 220px;
}
.vc-cat-item {
    padding: 4px 10px; border-radius: 12px; cursor: pointer;
    font-size: 11px; font-weight: 600;
    background: var(--vc-pdf-bg-button);
    border: 1px solid var(--vc-pdf-border-color);
    color: var(--vc-pdf-text-primary);
    transition: background .15s;
}
.vc-cat-item:hover { background: var(--vc-pdf-bg-button-hover); border-color: var(--vc-pdf-accent); }

/* ── Opacity popup ────────────────────────────────────────────── */
.vc-opacity-popup {
    position: fixed; z-index: 600;
    background: var(--vc-pdf-bg-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 8px; padding: 10px 14px;
    box-shadow: 0 4px 16px var(--vc-pdf-shadow-color);
}
.vc-opacity-popup input[type=range] { accent-color: var(--vc-pdf-accent); }

/* ── Feature toggles panel ────────────────────────────────────── */
.vc-features-panel {
    position: fixed; z-index: 600;
    top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 280px;
    background: var(--vc-pdf-bg-primary);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 12px; padding: 0;
    box-shadow: 0 8px 32px var(--vc-pdf-shadow-color);
    flex-direction: column;
}
.vc-features-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; font-weight: 700; font-size: 13px;
    border-bottom: 1px solid var(--vc-pdf-border-color);
    color: var(--vc-pdf-text-primary);
}
.vc-features-header button {
    background: none; border: none; cursor: pointer; font-size: 16px;
    color: var(--vc-pdf-text-secondary); padding: 2px 6px;
}
.vc-features-body { padding: 10px 16px; display: flex; flex-direction: column; gap: 8px; }
.vc-feature-row label {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; cursor: pointer; color: var(--vc-pdf-text-primary);
}
.vc-feature-row input[type=checkbox] { accent-color: var(--vc-pdf-accent); width: 14px; height: 14px; }

/* ── Context menu ─────────────────────────────────────────────── */
#vc-pdf-context-menu {
    position: absolute; display: none;
    background: var(--vc-pdf-bg-toolbar);
    border: 1px solid var(--vc-pdf-border-color);
    border-radius: 8px; padding: 4px;
    box-shadow: 0 4px 16px var(--vc-pdf-shadow-color);
    z-index: 200; gap: 4px;
}
#vc-pdf-context-menu.visible { display: flex; }
#vc-pdf-context-menu button {
    background: var(--vc-pdf-bg-button); color: var(--vc-pdf-text-secondary);
    border: 1px solid transparent; border-radius: 6px;
    width: 32px; height: 32px; cursor: pointer; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
}
#vc-pdf-context-menu button:hover { background: var(--vc-pdf-bg-button-hover); color: var(--vc-pdf-text-primary); }

/* ── Comment modal ────────────────────────────────────────────── */
#vc-pdf-comment-modal {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.55);
    display: none; justify-content: center; align-items: center;
    z-index: 9999; backdrop-filter: blur(3px);
}
#vc-pdf-comment-modal.visible { display: flex; }
.vc-pdf-modal-content {
    background: var(--vc-pdf-bg-modal);
    padding: 22px 24px; border-radius: 14px;
    width: 90%; max-width: 420px;
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
    border: 1px solid var(--vc-pdf-border-color);
}
.vc-pdf-modal-content h4 {
    margin: 0 0 14px; font-size: 16px;
    color: var(--vc-pdf-text-primary);
}
.vc-modal-category-row {
    display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.vc-modal-category-row label { font-size: 12px; color: var(--vc-pdf-text-secondary); white-space: nowrap; }
.vc-modal-category-row select {
    flex: 1; padding: 5px 8px; border-radius: 6px; font-size: 12px;
    border: 1px solid var(--vc-pdf-border-color);
    background: var(--vc-pdf-bg-primary); color: var(--vc-pdf-text-primary);
}
#vc-pdf-comment-text {
    width: 100%; box-sizing: border-box; margin-bottom: 10px;
    border-radius: 8px; border: 1px solid var(--vc-pdf-border-color);
    padding: 10px; font-size: 13px; line-height: 1.5;
    background: var(--vc-pdf-bg-primary); color: var(--vc-pdf-text-primary);
    resize: vertical; font-family: inherit; outline: none;
    transition: border-color .15s;
}
#vc-pdf-comment-text:focus { border-color: var(--vc-pdf-accent); }
.vc-ai-suggest-btn {
    width: 100%; margin-bottom: 8px; padding: 7px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff; border: none; border-radius: 8px;
    cursor: pointer; font-size: 12px; font-weight: 600;
    transition: opacity .15s;
}
.vc-ai-suggest-btn:hover { opacity: .88; }
#vc-modal-spellcheck-result {
    margin-bottom: 8px; padding: 8px; border-radius: 6px;
    background: var(--vc-pdf-bg-secondary);
    border: 1px solid var(--vc-pdf-border-color);
    font-size: 12px;
}
.vc-pdf-modal-buttons {
    display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap;
}
.vc-pdf-modal-buttons button {
    padding: 8px 18px; border-radius: 8px;
    border: none; cursor: pointer; font-size: 13px; font-weight: 600;
    transition: opacity .15s;
}
#vc-pdf-comment-save   { background: var(--vc-pdf-accent); color: #fff; }
#vc-pdf-comment-cancel { background: #6c757d; color: #fff; }
.vc-pdf-modal-buttons button:hover { opacity: .85; }

/* ── Tooltip ──────────────────────────────────────────────────── */
#vc-pdf-tooltip {
    position: fixed; z-index: 10001;
    padding: 10px 14px;
    background: var(--vc-pdf-bg-tooltip); color: var(--vc-pdf-text-tooltip);
    border-radius: 8px; font-size: 12px; line-height: 1.5;
    max-width: 260px; pointer-events: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
    display: none;
}
#vc-pdf-tooltip.visible { display: block; }

/* ── Loader overlay ───────────────────────────────────────────── */
#vc-pdf-loader-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.65);
    z-index: 10000; display: none;
    justify-content: center; align-items: center;
    backdrop-filter: blur(4px);
}
.vc-pdf-loader-content { text-align: center; color: #fff; }
.vc-pdf-spinner {
    border: 3px solid rgba(255,255,255,.2);
    border-top: 3px solid #fff;
    border-radius: 50%; width: 42px; height: 42px;
    animation: vc-spin 1s linear infinite;
    margin: 0 auto 14px;
}
@keyframes vc-spin { to { transform: rotate(360deg); } }
#vc-pdf-loader-message { font-size: 14px; margin: 0; font-weight: 500; }

/* ── Scrollbars ───────────────────────────────────────────────── */
#vc-pdf-viewer-main::-webkit-scrollbar,
#vc-pdf-comments-list::-webkit-scrollbar,
.vc-ai-messages::-webkit-scrollbar { width: 5px; height: 5px; }
#vc-pdf-viewer-main::-webkit-scrollbar-track,
#vc-pdf-comments-list::-webkit-scrollbar-track,
.vc-ai-messages::-webkit-scrollbar-track { background: transparent; }
#vc-pdf-viewer-main::-webkit-scrollbar-thumb,
#vc-pdf-comments-list::-webkit-scrollbar-thumb,
.vc-ai-messages::-webkit-scrollbar-thumb { background: var(--vc-pdf-border-color); border-radius: 3px; }