.cv2 {
    --cv2-bg: #000000;
    --cv2-panel: #ffffff;
    --cv2-panel-soft: #f5f5f5;
    --cv2-text: #151b23;
    --cv2-muted: #5f6670;
    --cv2-border: #dedede;
    --cv2-border-strong: #b9b9b9;
    --cv2-red: #dc143c;
    --cv2-red-dark: #b91c1c;
    --cv2-black: #050505;
    background: var(--cv2-bg);
    color: var(--cv2-text);
    min-height: calc(100vh - 74px);
    padding: 24px;
}

.cv2 * {
    box-sizing: border-box;
}

.cv2-breadcrumb {
    align-items: center;
    color: #b8b8b8;
    display: flex;
    flex-wrap: wrap;
    font-size: 0.9rem;
    gap: 8px;
    margin: 0 0 18px;
}

.cv2-breadcrumb a {
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.cv2-breadcrumb a:hover {
    text-decoration: underline;
}

.cv2-breadcrumb strong {
    color: #ffffff;
    font-weight: 800;
}

.cv2-hero,
.cv2-view-header {
    align-items: flex-start;
    background: #0b0b0b;
    border: 1px solid #2b2b2b;
    border-left: 6px solid var(--cv2-red);
    border-radius: 8px;
    color: #ffffff;
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    padding: 22px;
}

.cv2-eyebrow {
    color: #ffbac7;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.cv2-title,
.cv2-view-title {
    color: #ffffff;
    font-size: 2rem;
    font-weight: 850;
    line-height: 1.1;
}

.cv2-subtitle,
.cv2-view-meta {
    color: #e5e5e5;
    font-size: 1rem;
    margin-top: 8px;
}

.cv2-category-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    margin-bottom: 18px;
}

.cv2-category-card {
    align-items: flex-start;
    background: var(--cv2-panel);
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    color: var(--cv2-text);
    cursor: pointer;
    display: flex;
    gap: 12px;
    min-height: 124px;
    padding: 16px;
    text-align: left;
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
    width: 100%;
}

.cv2-category-card:hover,
.cv2-category-card.active {
    border-color: var(--cv2-red);
    box-shadow: 0 10px 24px rgba(220, 20, 60, 0.24);
    transform: translateY(-1px);
}

.cv2-category-card.active {
    background: #fff6f8;
}

.cv2-category-icon {
    align-items: center;
    border-radius: 8px;
    color: #ffffff;
    display: inline-flex;
    flex: 0 0 42px;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.cv2-category-icon.red {
    background: var(--cv2-red);
}

.cv2-category-icon.blue {
    background: var(--cv2-black);
}

.cv2-category-icon.violet {
    background: #2f2f2f;
}

.cv2-category-icon.green {
    background: #404040;
}

.cv2-category-icon.cyan {
    background: #222222;
}

.cv2-category-icon.amber {
    background: var(--cv2-red-dark);
}

.cv2-category-icon.rose {
    background: #8b0f25;
}

.cv2-category-copy {
    display: grid;
    gap: 7px;
    min-width: 0;
}

.cv2-category-copy strong {
    color: var(--cv2-text);
    font-size: 1.08rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.cv2-category-copy small {
    color: var(--cv2-muted);
    font-size: 0.86rem;
    line-height: 1.3;
}

.cv2-content-panel,
.cv2-view-document {
    background: var(--cv2-panel);
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.34);
}

.cv2-content-panel {
    padding: 18px;
}

.cv2-panel-head {
    align-items: center;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 16px;
}

.cv2-panel-title {
    color: var(--cv2-text);
    font-size: 1.28rem;
    font-weight: 850;
}

.cv2-panel-meta {
    color: var(--cv2-muted);
    font-size: 0.9rem;
    margin-top: 3px;
}

.cv2-search {
    background: #ffffff;
    border: 1px solid var(--cv2-border-strong);
    border-radius: 8px;
    color: var(--cv2-text);
    flex: 0 1 340px;
    min-height: 42px;
}

.cv2-empty,
.cv2-state {
    align-items: center;
    background: var(--cv2-panel-soft);
    border: 1px dashed var(--cv2-border-strong);
    border-radius: 8px;
    color: var(--cv2-muted);
    display: flex;
    min-height: 130px;
    padding: 20px;
}

.cv2-error {
    background: #fff5f5;
    border-color: #f4b4b0;
    color: #9b1c1c;
}

.cv2-course-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.cv2-course-card {
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    color: var(--cv2-text);
    display: flex;
    gap: 12px;
    min-height: 72px;
    padding: 12px;
    text-decoration: none;
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.cv2-course-card-button {
    text-align: left;
    width: 100%;
}

.cv2-course-card:hover {
    border-color: var(--cv2-red);
    box-shadow: 0 8px 18px rgba(220, 20, 60, 0.18);
    color: var(--cv2-text);
    transform: translateY(-1px);
}

.cv2-course-card.locked {
    background: #f3f4f6;
    border-color: #c9cdd3;
    color: #5f6670;
    cursor: not-allowed;
    opacity: 0.86;
}

.cv2-course-card.locked:hover {
    border-color: #c9cdd3;
    box-shadow: none;
    transform: none;
}

.cv2-course-card.locked .cv2-course-icon {
    background: #e5e7eb;
    color: #5f6670;
}

.cv2-course-icon {
    align-items: center;
    background: #fff0f3;
    border-radius: 8px;
    color: var(--cv2-red);
    display: inline-flex;
    flex: 0 0 38px;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.cv2-course-card strong,
.cv2-course-card small {
    display: block;
}

.cv2-course-card strong {
    font-size: 0.98rem;
    line-height: 1.25;
}

.cv2-course-card small {
    color: var(--cv2-muted);
    font-size: 0.78rem;
    margin-top: 3px;
}

.cv2-correct-answer {
    background: #fff6f8;
    border: 1px solid #f4b4b0;
    border-radius: 8px;
    color: #151b23;
    margin-top: 10px;
    padding: 10px 12px;
}

.cv2-correct-answer strong {
    color: var(--cv2-red-dark);
}

.cv2-viewer {
    background: #000000;
}

.cv2-view-header {
    gap: 18px;
}

.cv2-view-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.cv2-primary-button,
.cv2-answer-button,
.cv2-reset-button,
.cv2-secondary-button,
.cv2-mini-button {
    align-items: center;
    appearance: none;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 800;
    gap: 8px;
    justify-content: center;
    line-height: 1;
    min-width: 0;
    text-decoration: none;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
    user-select: none;
}

.cv2 .cv2-primary-button {
    background: var(--cv2-red);
    color: #ffffff;
    min-height: 42px;
    padding: 0 16px;
    white-space: nowrap;
}

.cv2 .cv2-primary-button:hover {
    background: var(--cv2-red-dark);
}

.cv2 .cv2-answer-button {
    background: #ffffff;
    border: 1px solid #ffbac7;
    box-shadow: 0 8px 18px rgba(220, 20, 60, 0.18);
    color: #151b23;
    min-height: 42px;
    padding: 0 16px;
    white-space: nowrap;
}

.cv2 .cv2-answer-button:hover,
.cv2 .cv2-answer-button.active {
    background: var(--cv2-red);
    border-color: var(--cv2-red);
    color: #ffffff;
    transform: translateY(-1px);
}

.cv2 .cv2-reset-button {
    background: #151515;
    border: 1px solid #4b4b4b;
    color: #ffffff;
    min-height: 42px;
    padding: 0 16px;
    white-space: nowrap;
}

.cv2 .cv2-reset-button:hover:not(:disabled) {
    background: #2a2a2a;
    border-color: #ffffff;
    transform: translateY(-1px);
}

.cv2 .cv2-reset-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.cv2 .cv2-secondary-button {
    background: var(--cv2-red);
    color: #ffffff;
    margin: 10px 0;
    min-height: 40px;
    padding: 0 14px;
}

.cv2-view-document {
    margin: 0 auto;
    max-width: 1180px;
    padding: 22px;
}

.cv2-doc-title,
.cv2-doc-subtitle,
.cv2-section-title {
    color: var(--cv2-text);
    font-weight: 850;
    letter-spacing: 0;
}

.cv2-doc-title {
    border-bottom: 2px solid var(--cv2-red);
    font-size: 1.35rem;
    margin: 14px 0;
    padding-bottom: 10px;
}

.cv2-doc-title-highlight {
    background: #fff0f3;
    border: 1px solid #ffb3c1;
    border-radius: 8px;
    color: #9a0f28;
    padding: 12px;
}

.cv2-doc-subtitle {
    font-size: 1.05rem;
    margin: 18px 0 10px;
}

.cv2-doc-text {
    background: var(--cv2-panel-soft);
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    color: #263241;
    font-size: 0.98rem;
    line-height: 1.55;
    margin: 10px 0;
    padding: 12px;
    white-space: pre-wrap;
}

.cv2-image-button {
    background: transparent;
    border: 0;
    display: block;
    margin: 14px 0;
    padding: 0;
    width: 100%;
}

.cv2-image-button img {
    background: #ffffff;
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    display: block;
    height: auto;
    max-height: 72vh;
    max-width: 100%;
    object-fit: contain;
}

.cv2-table-wrap {
    border: 1px solid var(--cv2-border);
    border-radius: 8px;
    margin: 14px 0;
    overflow-x: auto;
}

.cv2-table {
    border-collapse: separate;
    border-spacing: 0;
    color: var(--cv2-text);
    margin: 0;
    min-width: 760px;
    width: 100%;
}

.cv2-table th {
    background: #111111;
    border-bottom: 1px solid var(--cv2-border);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 850;
    padding: 10px;
    text-align: left;
}

.cv2-table td {
    border-bottom: 1px solid var(--cv2-border);
    padding: 10px;
    vertical-align: top;
}

.cv2-table tr:last-child td {
    border-bottom: 0;
}

.cv2-table tr.selected td {
    background: #fff0f3;
}

.cv2-table tr.success td {
    background: #ecfdf3;
}

.cv2-table tr.danger td {
    background: #fff1f1;
}

.cv2-select,
.cv2-input,
.cv2-textarea {
    background: #ffffff;
    border: 1px solid var(--cv2-border-strong);
    border-radius: 6px;
    color: var(--cv2-text);
    min-height: 36px;
    padding: 6px 8px;
    width: 100%;
}

.cv2-select.ok {
    background: #e9f8ef;
    border-color: #7ac79c;
    color: #08633a;
}

.cv2-select.alterada {
    background: #fff0f0;
    border-color: #f19a9a;
    color: #9b1c1c;
}

.cv2-select.pendiente {
    background: #fff8e7;
    border-color: #e6c56e;
    color: #7a4a00;
}

.cv2-input {
    max-width: 110px;
}

.cv2-textarea {
    min-height: 70px;
    min-width: 260px;
    resize: vertical;
}

.cv2-cell-text {
    min-width: 70px;
}

.cv2-mini-button {
    background: #fff0f3;
    color: var(--cv2-red);
    height: 30px;
    margin-right: 6px;
    width: 30px;
}

.cv2-mini-button.danger {
    background: #fff0f0;
    color: var(--cv2-red);
}

.cv2-notes {
    border-top: 1px solid var(--cv2-border);
    margin-top: 22px;
    padding-top: 18px;
}

.cv2-section-title {
    font-size: 1rem;
    margin-bottom: 8px;
}

.cv2-notes textarea {
    border: 1px solid var(--cv2-border-strong);
    border-radius: 8px;
    color: var(--cv2-text);
    min-height: 150px;
    width: 100%;
}

@media (max-width: 1280px) {
    .cv2-category-grid {
        grid-template-columns: repeat(3, minmax(210px, 1fr));
    }
}

@media (max-width: 860px) {
    .cv2 {
        padding: 14px;
    }

    .cv2-hero,
    .cv2-view-header,
    .cv2-panel-head {
        align-items: stretch;
        flex-direction: column;
    }

    .cv2-category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cv2-search {
        flex: 1 1 auto;
        width: 100%;
    }

    .cv2-title,
    .cv2-view-title {
        font-size: 1.55rem;
    }
}

@media (max-width: 520px) {
    .cv2-category-grid,
    .cv2-course-grid {
        grid-template-columns: 1fr;
    }

    .cv2-view-document,
    .cv2-content-panel,
    .cv2-hero,
    .cv2-view-header {
        padding: 14px;
    }
}

/* Formula steps (resolución paso a paso) */
.cv2-formula-steps {
    margin-top: 8px;
    border-left: 3px solid #2563eb;
    padding-left: 12px;
}
.cv2-formula-steps summary {
    cursor: pointer;
    color: #2563eb;
    font-size: 0.85em;
    font-weight: 600;
    user-select: none;
}
.cv2-formula-steps summary:hover {
    text-decoration: underline;
}
.cv2-formula-steps .step {
    display: block;
    margin: 4px 0;
    font-family: "SF Mono", "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.9em;
    color: #e2e8f0;
}
.cv2-formula-steps .step b {
    color: #60a5fa;
}
.cv2-formula-steps .step .result {
    color: #34d399;
    font-weight: 700;
}
/* ── ACE2 rich-text tables inside cv2-doc-text (light panel) ── */
.cv2-doc-text {
    line-height: 1.65;
    color: #334155 !important;
}
.cv2-doc-text p {
    margin: 8px 0;
    color: #334155;
}
.cv2-doc-text h3 {
    color: #1e3a5f !important;
    font-size: 1.08em;
    font-weight: 700;
    margin: 20px 0 8px 0;
    padding-bottom: 5px;
    border-bottom: 2px solid #cbd5e1;
}
.cv2-doc-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0 16px 0;
    font-size: 0.88em;
}
.cv2-doc-text th {
    background: #e2e8f0 !important;
    color: #1e293b !important;
    font-weight: 700;
    padding: 8px 10px;
    text-align: left;
    border-bottom: 2px solid #cbd5e1;
    white-space: nowrap;
}
.cv2-doc-text td {
    padding: 7px 10px;
    border-bottom: 1px solid #e2e8f0;
    color: #334155 !important;
    vertical-align: top;
}
.cv2-doc-text tr:hover td {
    background: #f1f5f9;
}
.cv2-doc-text b, .cv2-doc-text strong {
    color: #0f172a !important;
}
.cv2-doc-text code {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 1px 6px;
    border-radius: 4px;
    font-family: 'SF Mono','JetBrains Mono','Fira Code',monospace;
    font-size: 0.9em;
    color: #059669 !important;
}
/* ── Tags / badges ── */
.cv2-doc-text .tag-vanilla {
    display: inline-block;
    background: #d1fae5 !important;
    color: #065f46 !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
.cv2-doc-text .tag-otp {
    display: inline-block;
    background: #fee2e2 !important;
    color: #991b1b !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
.cv2-doc-text .tag-ok {
    display: inline-block;
    background: #d1fae5 !important;
    color: #065f46 !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
.cv2-doc-text .tag-move {
    display: inline-block;
    background: #dbeafe !important;
    color: #1e40af !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
.cv2-doc-text .tag-install {
    display: inline-block;
    background: #fef3c7 !important;
    color: #92400e !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
.cv2-doc-text .tag-remove {
    display: inline-block;
    background: #fee2e2 !important;
    color: #991b1b !important;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.82em;
    font-weight: 600;
}
/* ── Callout notes ── */
.cv2-doc-text .note {
    background: #fffbeb !important;
    border-left: 3px solid #f59e0b;
    padding: 8px 12px;
    margin: 12px 0;
    border-radius: 0 6px 6px 0;
    font-size: 0.9em;
    color: #78350f !important;
}
.cv2-doc-text .note-blue {
    background: #eff6ff !important;
    border-left: 3px solid #3b82f6;
    padding: 8px 12px;
    margin: 12px 0;
    border-radius: 0 6px 6px 0;
    font-size: 0.9em;
    color: #1e3a5f !important;
}