/**
 * D-One Platform - KB-Specific Styles
 * 
 * CSS specifico per Knowledge Base (solo elementi UNICI, NON riutilizzabili)
 * Versione: 2.0 - Cleaned Up
 * Data: 2025-10-19
 */

/* KB META INFO (file size e righe - specifico KB) */
.kb-meta-info {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    align-items: flex-end;
    z-index: 2;
}

.kb-meta-tag {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary, #6c5ce7);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(108, 92, 231, 0.2);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .kb-meta-tag {
    background: rgba(0, 0, 0, 0.6);
    color: var(--primary-light, #a29bfe);
    border-color: rgba(162, 155, 254, 0.3);
}

/* KB FEATURES LIST (specifico per liste di features KB) */
.kb-features-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem 0;
}

.kb-features-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

.kb-features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary, #6c5ce7);
    font-weight: bold;
    font-size: 1.1rem;
}

/* KB MODE SELECTOR (specifico landing KB) */
.kb-mode-section {
    margin: 0 0 var(--space-8) 0;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--gradient-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.kb-mode-heading {
    margin-bottom: var(--space-5);
}

.kb-mode-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.kb-mode-title {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.kb-mode-description {
    margin: var(--space-3) 0 0 0;
    color: var(--text-secondary);
    max-width: 780px;
    line-height: 1.6;
}

.kb-mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.kb-mode-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.kb-mode-card:hover,
.kb-mode-card:focus-visible {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    outline: none;
}

.kb-mode-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.kb-mode-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
}

.kb-mode-label {
    font-size: 1.1rem;
    font-weight: 700;
}

.kb-mode-copy {
    color: var(--text-secondary);
    line-height: 1.55;
}

.kb-mode-panel {
    margin-top: var(--space-6);
}

.kb-mode-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-8);
}

.kb-back-button {
    min-width: 240px;
}

.kb-personal-intro {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

.kb-personal-intro h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(1.2rem, 1.8vw, 1.6rem);
}

.kb-personal-intro p {
    margin: var(--space-3) 0 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 820px;
}

@media (max-width: 768px) {
    .kb-mode-section,
    .kb-personal-intro {
        padding: var(--space-5);
    }

    .kb-mode-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .kb-mode-section,
    .kb-personal-intro {
        padding: var(--space-4);
    }

    .kb-mode-card {
        padding: var(--space-4);
    }

    .kb-mode-icon {
        width: 46px;
        height: 46px;
    }
}

@media (max-width: 480px) {
    .kb-mode-section,
    .kb-personal-intro {
        padding: var(--space-3);
    }

    .kb-mode-card {
        padding: var(--space-3);
    }

    .kb-mode-icon {
        width: 40px;
        height: 40px;
    }

    .kb-personal-intro p {
        font-size: 0.85rem;
    }

    .kb-meta-info {
        top: 0.5rem;
        right: 0.5rem;
    }

    .kb-meta-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }
}