:root {
    --gns-primary: #093456;
    --gns-primary-light: #0a3f5f;
    --gns-primary-dark: #072845;
    --gns-accent: #093456;
    --gns-success: #48bb78;
    --gns-warning: #ed8936;
    --gns-error: #f56565;
    --gns-whatsapp: #25d366;
    --gns-info: #4299e1;
    --gns-border: #e2e8f0;
    --gns-border-light: #f7fafc;
    --gns-border-focus: var(--gns-primary);
    --gns-bg: #ffffff;
    --gns-bg-light: #f7fafc;
    --gns-bg-dark: #edf2f7;
    --gns-shadow: 0 10px 25px -5px rgba(9, 52, 86, 0.15), 0 10px 10px -5px rgba(9, 52, 86, 0.08);
    --gns-shadow-sm: 0 1px 3px 0 rgba(9, 52, 86, 0.12), 0 1px 2px 0 rgba(9, 52, 86, 0.08);
    --gns-shadow-md: 0 4px 6px -1px rgba(9, 52, 86, 0.12), 0 2px 4px -1px rgba(9, 52, 86, 0.08);
    --gns-shadow-lg: 0 10px 15px -3px rgba(9, 52, 86, 0.15), 0 4px 6px -2px rgba(9, 52, 86, 0.08);
    --gns-text-dark: #1a202c;
    --gns-text-medium: #4a5568;
    --gns-text-light: #718096;
    --gns-text-lighter: #a0aec0;
    --gns-gradient: linear-gradient(135deg, #093456 0%, #0a3f5f 100%);
    --gns-gradient-subtle: linear-gradient(135deg, rgba(9, 52, 86, 0.05) 0%, rgba(10, 63, 95, 0.05) 100%);
    --gns-radius: 12px;
    --gns-radius-sm: 6px;
    --gns-radius-lg: 16px;
}

.gns-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: gns-spin 1s ease-in-out infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes gns-spin {
    to {
        transform: rotate(360deg);
    }
}

.gns-busca-wrapper {
    max-width: 1200px;
    margin: 40px auto;
    padding: 3rem;
    background-color: var(--gns-bg);
    border-radius: var(--gns-radius-lg);
    box-shadow: var(--gns-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.gns-busca-wrapper:hover {
    box-shadow: var(--gns-shadow-lg);
}

.gns-busca-initialized {
    animation: gns-fade-in 0.6s ease-out;
}

@keyframes gns-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gns-busca-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gns-gradient);
}

.gns-busca-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(9, 52, 86, 0.03) 100%);
    pointer-events: none;
}

.gns-busca-form-section {
    margin-bottom: 2rem;
}

.gns-busca-form-group {
    margin-bottom: 22px;
    position: relative;
}

.gns-busca-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gns-text-dark);
    font-size: .95rem;
}

.gns-busca-input-with-icon {
    position: relative;
}

.gns-busca-input-with-icon .gns-busca-input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    transition: color .3s;
}

.gns-busca-input-with-icon input:focus+.gns-busca-input-icon {
    color: var(--gns-accent);
}

.gns-busca-form-group input[type=text],
.gns-busca-form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--gns-border);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 16px;
    height: auto !important;
    transition: border-color .3s, box-shadow .3s;
    background-color: #fff;
}

.gns-busca-input-with-icon input {
    padding-left: 45px !important;
}

.gns-busca-form-group input:focus,
.gns-busca-form-group select:focus {
    border-color: var(--gns-border-focus);
    box-shadow: 0 0 0 3px rgba(61, 138, 247, 0.25);
    outline: 0;
}

.gns-busca-form-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: end;
}

.gns-busca-form-group .required {
    color: var(--gns-error);
    margin-left: 2px;
}

.gns-busca-submit-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 24px;
    background: var(--gns-gradient);
    color: #fff;
    border: none;
    border-radius: var(--gns-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--gns-shadow-sm);
}

.gns-busca-submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.gns-busca-submit-button:hover:not(:disabled)::before {
    left: 100%;
}

.gns-busca-submit-button:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(9, 52, 86, 0.4);
    background: var(--gns-primary-light);
}

.gns-busca-submit-button:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(9, 52, 86, 0.3);
}

.gns-busca-submit-button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.gns-busca-submit-button .gns-spinner {
    display: none;
}

.gns-busca-submit-button.loading .gns-spinner {
    display: inline-block;
}

.gns-busca-submit-button.loading .gns-button-text {
    display: none;
}

.gns-busca-results-section {
    margin-top: 2rem;
}

.gns-busca-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gns-border);
}

.gns-busca-results-count {
    font-weight: 600;
    color: var(--gns-text-dark);
}

.gns-busca-results-filters {
    display: flex;
    gap: 10px;
    align-items: center;
}

.gns-busca-filter-select {
    padding: 8px 12px;
    border: 1px solid var(--gns-border);
    border-radius: 6px;
    font-size: 14px;
}

.gns-busca-book-card {
    background: var(--gns-bg);
    border: 1px solid var(--gns-border);
    border-radius: var(--gns-radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--gns-shadow-sm);
    position: relative;
    overflow: hidden;
}

.gns-busca-book-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gns-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gns-busca-book-card:hover::before {
    opacity: 1;
}

.gns-busca-book-card:hover {
    box-shadow: var(--gns-shadow-md);
    transform: translateY(-4px);
    border-color: var(--gns-primary);
}

.gns-busca-book-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.gns-busca-book-badge-fullwidth {
    width: 100%;
    margin-bottom: 0.5rem;
}

.gns-busca-book-badge-fullwidth .gns-busca-badge-primary {
    display: inline-block;
    width: auto;
}

.gns-busca-book-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gns-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    line-height: 1.4;
}

.gns-busca-book-title i {
    color: var(--gns-primary);
    font-size: 1.1em;
}

.gns-busca-book-preview {
    color: var(--gns-text-medium);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.gns-busca-book-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Badges */
.gns-busca-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--gns-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.gns-busca-badge-primary {
    background: var(--gns-gradient);
    color: white;
}

.gns-busca-badge-success {
    background: var(--gns-success);
    color: white;
}

.gns-busca-badge-warning {
    background: var(--gns-warning);
    color: white;
}

.gns-busca-badge-info {
    background: var(--gns-info);
    color: white;
}

/* Estados vazios */
.gns-busca-empty-state,
.gns-busca-no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gns-text-light);
}

.gns-busca-empty-state-icon,
.gns-busca-no-results-icon {
    font-size: 4rem;
    color: var(--gns-text-lighter);
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.gns-busca-empty-state h3,
.gns-busca-no-results h3 {
    color: var(--gns-text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.gns-busca-empty-state p,
.gns-busca-no-results p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.gns-busca-search-tips,
.gns-busca-search-suggestions {
    background: var(--gns-bg-light);
    padding: 1.5rem;
    border-radius: var(--gns-radius);
    margin-top: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.gns-busca-search-tips h4,
.gns-busca-search-suggestions h4 {
    color: var(--gns-text-dark);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.gns-busca-search-tips ul,
.gns-busca-search-suggestions ul {
    text-align: left;
    list-style: none;
    padding: 0;
}

.gns-busca-search-tips li,
.gns-busca-search-suggestions li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gns-border-light);
}

.gns-busca-search-tips li:last-child,
.gns-busca-search-suggestions li:last-child {
    border-bottom: none;
}

.gns-busca-search-tips strong,
.gns-busca-search-suggestions strong {
    color: var(--gns-primary);
}

.gns-busca-match-card {
    background: #fff;
    border: 1px solid var(--gns-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.gns-busca-match-card:hover {
    box-shadow: var(--gns-shadow-md);
    transform: translateY(-2px);
    border-color: var(--gns-primary);
}

.gns-busca-match-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gns-border);
}

.gns-busca-match-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gns-text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.gns-busca-match-title i {
    color: var(--gns-primary);
}

.gns-busca-match-book {
    font-size: 0.9rem;
    color: var(--gns-text-light);
    display: flex;
    align-items: center;
    gap: 5px;
    font-style: italic;
}

.gns-busca-match-excerpt {
    color: var(--gns-text-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.gns-busca-match-excerpt mark {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.gns-busca-match-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.gns-busca-btn-back-to-books {
    background: var(--gns-accent) !important;
    color: white !important;
    border: none !important;
    font-size: 14px !important;
    padding: 8px 16px !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
}

.gns-busca-btn-back-to-books:hover {
    background: var(--gns-primary-light) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
}

.gns-busca-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.gns-busca-btn-primary {
    background: var(--gns-primary);
    color: white;
    border: 1px solid var(--gns-primary);
    transition: all 0.3s ease;
}

.gns-busca-btn-primary:hover {
    background: var(--gns-primary-light);
    border-color: var(--gns-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(9, 52, 86, 0.3);
}

.gns-busca-btn-secondary {
    background: var(--gns-bg);
    color: var(--gns-text-dark);
    border: 1px solid var(--gns-border);
    transition: all 0.3s ease;
}

.gns-busca-btn-secondary:hover {
    background: var(--gns-bg-light);
    border-color: var(--gns-primary);
    color: var(--gns-primary);
}

.gns-busca-btn-outline {
    background: transparent;
    color: var(--gns-primary);
    border: 2px solid var(--gns-primary);
    transition: all 0.3s ease;
}

/* Adjustments for button back to books */
.gns-busca-view-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gns-text-dark);
    margin-left: 1rem;
}

@media (max-width: 768px) {
    .gns-busca-view-title {
        margin-left: 0;
        margin-top: 0.5rem;
        display: block;
    }
}
.gns-busca-btn-outline:hover {
    background: var(--gns-primary);
    color: white;
    transform: translateY(-1px);
}

.gns-busca-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gns-border);
}

.gns-busca-pagination-btn {
    padding: 10px 15px;
    border: 1px solid var(--gns-border);
    background: white;
    color: var(--gns-text-dark);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gns-busca-pagination-btn:hover:not(:disabled) {
    background: var(--gns-primary);
    color: white;
    border-color: var(--gns-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(9, 52, 86, 0.3);
}

.gns-busca-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.gns-busca-pagination-btn.active {
    background: var(--gns-primary);
    color: white;
    border-color: var(--gns-primary);
    box-shadow: var(--gns-shadow-sm);
}

.gns-busca-loading {
    text-align: center;
    padding: 2rem;
    color: var(--gns-text-light);
}

.gns-busca-loading .gns-spinner {
    width: 30px;
    height: 30px;
    border-width: 4px;
    margin: 0 auto 1rem;
    display: block;
}

.gns-busca-no-results {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--gns-text-light);
}

.gns-busca-no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.gns-busca-error {
    background: var(--gns-bg);
    color: var(--gns-text-dark);
    padding: 3rem 2rem;
    border-radius: var(--gns-radius);
    margin: 2rem 0;
    border: 1px solid var(--gns-error);
    text-align: center;
    box-shadow: var(--gns-shadow-sm);
}

.gns-busca-error-icon {
    font-size: 3rem;
    color: var(--gns-error);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.gns-busca-error h3 {
    color: var(--gns-error);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.gns-busca-error p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--gns-text-medium);
}

.gns-busca-validation {
    background: var(--gns-info);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--gns-radius-sm);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    animation: gns-slide-in 0.3s ease-out;
}

@keyframes gns-slide-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gns-busca-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.gns-busca-modal.show {
    display: flex;
}

.gns-busca-modal-content {
    background: white;
    border-radius: 12px;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    margin: 2rem;
    box-shadow: var(--gns-shadow);
}

.gns-busca-modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gns-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gns-busca-modal-title {
    margin: 0;
/* Improved modal design */
.gns-busca-modal-enhanced .gns-busca-modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border: 1px solid rgba(9, 52, 86, 0.1);
    border-radius: 16px;
    max-width: 900px;
    width: 90vw;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(9, 52, 86, 0.25);
}

.gns-busca-modal-enhanced .gns-busca-modal-header {
    background: linear-gradient(135deg, var(--gns-primary) 0%, #0a3f5f 100%);
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    border-bottom: none;
    position: relative;
}

.gns-busca-modal-enhanced .gns-busca-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fff3cd, #ffd700, #fff3cd);
}

.gns-busca-modal-enhanced .gns-busca-modal-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.gns-busca-modal-enhanced .gns-busca-modal-title i {
    font-size: 1.6rem;
    opacity: 0.9;
}

.gns-busca-modal-enhanced .gns-busca-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.gns-busca-modal-enhanced .gns-busca-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.gns-busca-modal-enhanced .gns-busca-modal-body {
    padding: 2rem;
    background: white;
    max-height: calc(85vh - 120px);
    overflow-y: auto;
}

.gns-busca-modal-enhanced .gns-busca-modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ecff 100%);
    border-top: 1px solid rgba(9, 52, 86, 0.1);
}

.gns-busca-modal-enhanced .gns-busca-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 120px;
}

.gns-busca-modal-enhanced .gns-busca-btn-primary {
    background: linear-gradient(135deg, var(--gns-primary) 0%, #0a3f5f 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(9, 52, 86, 0.3);
}

.gns-busca-modal-enhanced .gns-busca-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(9, 52, 86, 0.4);
}

.gns-busca-modal-enhanced .gns-busca-btn-secondary {
    background: white;
    color: var(--gns-primary);
    border: 2px solid var(--gns-primary);
}

.gns-busca-modal-enhanced .gns-busca-btn-secondary:hover {
    background: var(--gns-primary);
    color: white;
    transform: translateY(-1px);
}

.gns-busca-modal-enhanced .gns-busca-modal-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gns-text-dark);
    background: #fafbff;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--gns-primary);
    position: relative;
}

.gns-busca-modal-enhanced .gns-busca-modal-text::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--gns-primary);
    opacity: 0.3;
    font-family: serif;
}

.gns-busca-modal-enhanced .gns-busca-modal-text mark {
    background: linear-gradient(120deg, #fff3cd 0%, #ffeaa7 100%);
    color: #2d3436;
    padding: 3px 6px;
    border-radius: 4px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Mobile responsive for enhanced modal */
@media (max-width: 768px) {
    .gns-busca-modal-enhanced .gns-busca-modal-content {
        width: 95vw;
        margin: 1rem;
    }
    
    .gns-busca-modal-enhanced .gns-busca-modal-header {
        padding: 1.5rem 1rem 1rem;
    }
    
    .gns-busca-modal-enhanced .gns-busca-modal-title {
        font-size: 1.2rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .gns-busca-modal-enhanced .gns-busca-modal-body {
        padding: 1.5rem;
    }
    
    .gns-busca-modal-enhanced .gns-busca-modal-actions {
        flex-direction: column;
        padding: 1rem;
    }
    
    .gns-busca-modal-enhanced .gns-busca-modal-text {
        padding: 1.5rem;
        font-size: 1rem;
    }
}
    font-size: 1.3rem;
    color: var(--gns-text-dark);
}

.gns-busca-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gns-text-light);
}

.gns-busca-modal-body {
    padding: 1.5rem;
    line-height: 1.6;
    color: var(--gns-text-dark);
}

.gns-busca-modal-body mark {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

@media (max-width: 768px), (max-width: 480px) {
    .gns-busca-wrapper {
        padding: 1.5rem;
        margin: 10px auto;
        border-radius: var(--gns-radius);
    }

    .gns-busca-form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .gns-busca-form-group input,
    .gns-busca-form-group textarea {
        font-size: 16px;
        padding: 12px 16px;
    }

    .gns-busca-results-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .gns-busca-results-filters {
        width: 100%;
        justify-content: flex-start;
    }

    .gns-busca-filter-select {
        width: 100%;
        max-width: 100%;
    }

    .gns-busca-book-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .gns-busca-book-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .gns-busca-book-badge-fullwidth {
        margin-bottom: 0.75rem;
    }

    .gns-busca-book-actions {
        flex-direction: column;
        gap: 8px;
        justify-content: stretch;
    }

    .gns-busca-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
        font-size: 14px;
    }

    .gns-busca-pagination {
        flex-wrap: wrap;
        gap: 8px;
    }

    .gns-busca-pagination-btn {
        padding: 10px 12px;
        font-size: 14px;
        min-width: 40px;
    }

    .gns-busca-match-card {
        padding: 1.25rem;
    }

    .gns-busca-match-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .gns-busca-match-actions {
        flex-direction: column;
        gap: 8px;
    }

    .gns-busca-modal-content {
        margin: 1rem;
        max-height: 85vh;
    }

    .gns-busca-modal-body {
        padding: 1rem;
    }

    .gns-busca-modal-actions {
        flex-direction: column;
        gap: 8px;
    }

    .gns-busca-modal-text {
        font-size: 14px;
        line-height: 1.6;
    }

    .gns-busca-btn,
    .gns-busca-pagination-btn,
    .gns-busca-filter-select {
        min-height: 44px;
    }

    .gns-busca-loading {
        padding: 2rem 1rem;
    }

    .gns-busca-spinner {
        width: 40px;
        height: 40px;
        border-width: 4px;
    }

    .gns-busca-empty-state,
    .gns-busca-no-results {
        padding: 2rem 1rem;
    }

    .gns-busca-empty-state-icon,
    .gns-busca-no-results-icon {
        font-size: 3rem;
    }

    .gns-busca-error {
        padding: 2rem 1rem;
        margin: 1rem 0;
    }
}

/* Footer navigation for modal - optimized for mobile */
.gns-busca-modal-footer-nav {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ecff 100%);
    border-top: 1px solid rgba(9, 52, 86, 0.1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.gns-busca-modal-page-info {
    font-size: 0.95rem;
    color: var(--gns-text-medium);
    font-weight: 500;
    text-align: center;
    padding: 0.5rem 1rem;
    background: rgba(9, 52, 86, 0.1);
    border-radius: 20px;
    color: var(--gns-primary);
}

.gns-busca-modal-nav-buttons {
    display: flex;
    gap: 1rem;
    width: 100%;
    justify-content: center;
}

.gns-busca-modal-nav-buttons .gns-busca-btn {
    flex: 1;
    max-width: 200px;
    padding: 1rem 1.5rem;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    border: 2px solid var(--primary);
    background: white;
    color: var(--gns-primary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px; /* Touch-friendly size */
}

.gns-busca-modal-nav-buttons .gns-busca-btn:hover:not(:disabled) {
    background: var(--gns-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(9, 52, 86, 0.3);
}

.gns-busca-modal-nav-buttons .gns-busca-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f5f5f5;
    color: #999;
    border-color: #ddd;
}

.gns-busca-modal-nav-buttons .gns-busca-btn:disabled:hover {
    background: #f5f5f5;
    color: #999;
    border-color: #ddd;
    transform: none;
    box-shadow: none;
}

/* Loading state for modal navigation */
.gns-busca-modal-loading {
    text-align: center;
    padding: 2rem;
    color: var(--gns-text-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.1rem;
}

.gns-busca-modal-loading i {
    font-size: 1.5rem;
    animation: gns-spin 1s linear infinite;
}

/* Mobile optimizations for modal navigation */
@media (max-width: 768px) {
    .gns-busca-modal-footer-nav {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .gns-busca-modal-page-info {
        font-size: 0.9rem;
        padding: 0.75rem 1.25rem;
    }
    
    .gns-busca-modal-nav-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .gns-busca-modal-nav-buttons .gns-busca-btn {
        max-width: 100%;
        padding: 1.25rem 1rem;
        font-size: 15px;
        min-height: 52px; /* Larger touch target for mobile */
    }
    
    .gns-busca-modal-nav-buttons .gns-busca-btn i {
        font-size: 1.1rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .gns-busca-modal-footer-nav {
        padding: 0.75rem;
    }
    
    .gns-busca-modal-nav-buttons .gns-busca-btn {
        padding: 1rem 0.75rem;
        font-size: 14px;
        min-height: 48px;
    }
    
    .gns-busca-modal-page-info {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

/* ==== SEÇÃO DE DICAS DE BUSCA ==== */

.gns-busca-search-tips {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ecff 100%);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 2rem;
    border: 1px solid rgba(9, 52, 86, 0.1);
    box-shadow: 0 4px 12px rgba(9, 52, 86, 0.08);
    position: relative;
    overflow: hidden;
}

.gns-busca-search-tips::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ffd700, #ffed4e, #ffd700);
    opacity: 0.8;
}

.gns-busca-tips-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(9, 52, 86, 0.1);
}

.gns-busca-tips-header i {
    font-size: 1.4rem;
    color: var(--gns-warning);
    animation: gns-pulse 2s ease-in-out infinite;
}

@keyframes gns-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.gns-busca-tips-header span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gns-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gns-busca-tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.gns-busca-tip-item {
    background: white;
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid rgba(9, 52, 86, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 2px 8px rgba(9, 52, 86, 0.04);
}

.gns-busca-tip-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(9, 52, 86, 0.12);
    border-color: rgba(9, 52, 86, 0.15);
}

.gns-busca-tip-item i {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    display: block;
    width: 24px;
    height: 24px;
    text-align: center;
    line-height: 24px;
}

.gns-busca-tip-item:nth-child(1) i {
    color: var(--gns-info);
}

.gns-busca-tip-item:nth-child(2) i {
    color: var(--gns-success);
}

.gns-busca-tip-item:nth-child(3) i {
    color: var(--gns-warning);
}

.gns-busca-tip-content {
    line-height: 1.5;
}

.gns-busca-tip-content strong {
    display: block;
    color: var(--gns-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.gns-busca-tip-content small {
    display: block;
    color: var(--gns-text-medium);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    opacity: 0.9;
}

.gns-busca-tip-content code {
    background: linear-gradient(135deg, #f1f3f4 0%, #e8eaed 100%);
    color: var(--gns-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(9, 52, 86, 0.1);
    box-shadow: 0 1px 3px rgba(9, 52, 86, 0.1);
    display: inline-block;
    margin: 0.125rem 0;
}

/* Responsividade para as dicas */
@media (max-width: 768px) {
    .gns-busca-search-tips {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .gns-busca-tips-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .gns-busca-tips-header span {
        font-size: 1rem;
    }
    
    .gns-busca-tips-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .gns-busca-tip-item {
        padding: 1rem;
    }
    
    .gns-busca-tip-content strong {
        font-size: 0.9rem;
    }
    
    .gns-busca-tip-content small {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .gns-busca-search-tips {
        padding: 1.25rem;
    }
    
    .gns-busca-tip-item {
        padding: 0.875rem;
    }
    
    .gns-busca-tip-content code {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }
}
}