.skill-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(15, 15, 35, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.skill-modal.active { opacity: 1; visibility: visible; }

.modal-content {
    background: linear-gradient(135deg, #1e1e3f 0%, #2d2d5a 100%);
    border-radius: 20px;
    padding: 40px;
    max-width: 700px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    color: #e0e0e0;
    border: 1px solid rgba(79, 172, 254, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.skill-modal.active .modal-content { transform: scale(1); }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid rgba(79, 172, 254, 0.2);
    padding-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.close-modal {
    font-size: 2rem;
    cursor: pointer;
    color: #9ca3af;
    transition: color 0.3s ease;
    background: none;
    border: none;
    padding: 5px;
    display: flex; align-items: center; justify-content: center;
}

.close-modal:hover { color: #ff6b6b; transform: scale(1.1); }
.close-modal:focus { outline: 2px solid #4facfe; outline-offset: 2px; }

.skill-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.skill-category-badge {
    background: rgba(79, 172, 254, 0.15);
    border: 1px solid rgba(79, 172, 254, 0.3);
    color: #4facfe;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.skill-experience {
    background: rgba(79, 172, 254, 0.15);
    border: 1px solid rgba(79, 172, 254, 0.3);
    color: #4facfe;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.skill-level.level-base        { border-color: #fbbf24; color: #fbbf24; background: rgba(251,191,36,0.15); }
.skill-level.level-intermedio   { border-color: #3b82f6; color: #3b82f6; background: rgba(59,130,246,0.15); }
.skill-level.level-avanzato     { border-color: #10b981; color: #10b981; background: rgba(16,185,129,0.15); }
.skill-level.level-esperto      { border-color: #8b5cf6; color: #8b5cf6; background: rgba(139,92,246,0.15); }

.skill-description {
    color: #d1d5db;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1rem;
}

.skill-projects,
.skill-certifications { margin-bottom: 25px; }

.skill-projects h4,
.skill-certifications h4 { color: #4facfe; font-size: 1.2rem; margin-bottom: 15px; font-weight: 600; }

.skill-projects ul,
.skill-certifications ul { list-style: none; padding: 0; }

.skill-projects li,
.skill-certifications li {
    background: rgba(255,255,255,0.05);
    padding: 12px 18px;
    margin-bottom: 8px;
    border-radius: 8px;
    border-left: 3px solid #4facfe;
    color: #e0e0e0;
    transition: all 0.3s ease;
}

.skill-projects li:hover,
.skill-certifications li:hover { background: rgba(255,255,255,0.1); transform: translateX(5px); }

.skill-modal::-webkit-scrollbar { width: 8px; }
.skill-modal::-webkit-scrollbar-track { background: rgba(255,255,255,0.1); border-radius: 4px; }
.skill-modal::-webkit-scrollbar-thumb { background: #4facfe; border-radius: 4px; }
.skill-modal::-webkit-scrollbar-thumb:hover { background: #00f2fe; }

/* Tooltip */
.skill-tooltip {
    position: absolute;
    background: rgba(15, 15, 35, 0.97);
    color: #e0e0e0;
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid rgba(79, 172, 254, 0.4);
    z-index: 1100;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    white-space: nowrap;
    backdrop-filter: blur(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

@media (max-width: 768px) {
    .modal-content { padding: 25px; margin: 20px; max-height: 90vh; }
    .skill-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-width: 480px) {
    .modal-header h3 { font-size: 1.4rem; }
}