.portfolio-collapsible-search {
    max-width: 1200px;
    margin: 0 auto 2rem;
    border-radius: 15px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-collapsible-search:hover { box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12); }

.portfolio-search-toggle {
    padding: 1.5rem 2rem;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.portfolio-search-toggle:hover { background: rgba(22, 160, 133, 0.03); }

.portfolio-toggle-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: flex-start;
}

.portfolio-toggle-btn:hover {
    background: rgba(22, 160, 133, 0.08);
    transform: translateX(5px);
}

.portfolio-toggle-btn i:first-child {
    color: var(--accent);
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
}

.toggle-arrow {
    margin-left: auto;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-light);
    font-size: 1rem;
}

.portfolio-search-content {
    padding: 0 2rem;
    max-height: 0;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.portfolio-search-content.expanded {
    padding: 2rem;
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
}

.portfolio-search-header { text-align: center; margin-bottom: 1.5rem; }
.portfolio-search-header h3 { font-size: 1.6rem; color: var(--primary); display: flex; align-items: center; justify-content: center; gap: 0.8rem; font-family: 'Playfair Display', serif; }
.portfolio-search-header h3 i { color: var(--accent); font-size: 1.4rem; }

.portfolio-search-container { max-width: 800px; margin: 0 auto; }
.portfolio-search-box { display: flex; gap: 1rem; position: relative; }

.portfolio-search-box input {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(22, 160, 133, 0.2);
    border-radius: 50px;
    padding: 1.2rem 1.8rem;
    font-size: 1.1rem;
    color: var(--text);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    outline: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.portfolio-search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 8px 25px rgba(22, 160, 133, 0.15);
    transform: translateY(-2px);
}

.portfolio-search-btn {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: white;
    border: none;
    border-radius: 50px;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 6px 20px rgba(22, 160, 133, 0.3);
    min-width: 120px;
    justify-content: center;
}

.portfolio-search-btn:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(22, 160, 133, 0.4);
}

.portfolio-clear-btn {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 1.2rem 1.8rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 6px 20px rgba(149, 165, 166, 0.3);
    min-width: 120px;
    justify-content: center;
}

.portfolio-clear-btn:hover {
    background: linear-gradient(135deg, #7f8c8d, #6c7a7d);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(149, 165, 166, 0.4);
}

.portfolio-work-matched::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.1), rgba(52, 152, 219, 0.1));
    border-radius: 15px;
    z-index: -1;
    animation: portfolio-pulse 2s infinite;
}

@keyframes portfolio-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

@media (max-width: 768px) {
    .portfolio-search-box { flex-direction: column; gap: 1rem; }
    .portfolio-search-btn, .portfolio-clear-btn { padding: 1rem 1.5rem; min-width: auto; }
}
@media (max-width: 768px) {
    .portfolio-collapsible-search { margin-bottom: 1.5rem; }
    .portfolio-search-toggle { padding: 1.2rem 1.5rem; }
    .portfolio-toggle-btn { font-size: 1.1rem; padding: 0.5rem; }
    .portfolio-search-content.expanded { padding: 1.5rem; }
    .portfolio-search-header h3 { font-size: 1.4rem; }
    .portfolio-search-box { flex-direction: column; gap: 1rem; }
    .portfolio-search-box input { padding: 1rem 1.5rem; font-size: 1rem; }
    .portfolio-search-btn, .portfolio-clear-btn { padding: 1rem 1.5rem; font-size: 1rem; min-width: auto; }
}
@media (max-width: 480px) {
    .portfolio-search-toggle { padding: 1rem 1.2rem; }
    .portfolio-toggle-btn { font-size: 1rem; gap: 0.6rem; }
    .portfolio-search-content.expanded { padding: 1.2rem; }
    .portfolio-search-header h3 { font-size: 1.3rem; }
    .portfolio-search-box input { padding: 0.9rem 1.2rem; font-size: 0.95rem; }
    .portfolio-search-btn, .portfolio-clear-btn { padding: 0.9rem 1.2rem; font-size: 0.95rem; }
}