:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --shopee-orange: #ee4d2d;
    --shopee-orange-dark: #d9431f;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

.main-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem;
    overflow-x: hidden;
}

@media (min-width: 640px) {
    .main-wrapper {
        padding: 1.25rem;
    }
}

/* ==================== HEADER RESPONSIVO ==================== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .page-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 1.5rem;
        margin-bottom: 1.5rem;
    }
}

.page-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 640px) {
    .page-header h1 {
        font-size: 1.35rem;
    }
}

/* Grupo de botões do header */
.header-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (min-width: 640px) {
    .header-buttons {
        flex-wrap: nowrap;
        gap: 0.6rem;
    }
}

/* ==================== BOTÕES ESTILIZADOS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.75rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn:active::before {
    width: 200px;
    height: 200px;
}

@media (min-width: 640px) {
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.8rem;
    }
}

.btn-sm {
    padding: 0.5rem 0.9rem;
    font-size: 0.7rem;
}

@media (min-width: 640px) {
    .btn-sm {
        padding: 0.55rem 1rem;
        font-size: 0.75rem;
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 1.5px solid var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: linear-gradient(135deg, var(--shopee-orange) 0%, var(--shopee-orange-dark) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.05);
}

.btn-info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Botão ativo/desabilitado */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ==================== ALERTAS ==================== */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

@media (min-width: 640px) {
    .alert {
        padding: 1rem 1.25rem;
        font-size: 0.9rem;
    }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--success); }
.alert-error { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.alert-info { background: #dbeafe; color: #1e40af; border-left: 4px solid var(--info); }

/* ==================== UPLOAD SECTION ==================== */
.upload-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .upload-section {
        flex-direction: row;
        align-items: center;
        padding: 1rem 1.25rem;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
}

.file-input-wrapper {
    position: relative;
    flex: 1;
    width: 100%;
}

.file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
}

.file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-size: 0.85rem;
    transition: var(--transition);
    cursor: pointer;
    width: 100%;
    font-weight: 500;
}

.file-label:hover {
    border-color: var(--primary);
    background: var(--gray-100);
}

@media (min-width: 640px) {
    .file-label {
        justify-content: flex-start;
    }
}

/* ==================== API SECTION ==================== */
.api-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--shopee-orange);
    box-shadow: var(--shadow-md);
}

@media (min-width: 640px) {
    .api-section {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
    }
}

.api-form {
    display: grid;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .api-form {
        gap: 1rem;
    }
}

.api-form .btn {
    width: 100%;
}

@media (min-width: 480px) {
    .api-form .btn {
        width: auto;
    }
}

/* ==================== SEARCH SECTION ==================== */
.search-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary);
}

@media (min-width: 640px) {
    .search-section {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
    }
}

.search-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    align-items: end;
}

@media (min-width: 768px) {
    .search-grid {
        grid-template-columns: 2fr 1fr auto;
        gap: 1rem;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-control {
    padding: 0.6rem 0.85rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    transition: var(--transition);
    background: white;
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ==================== STATS BAR - CORRIGIDO ==================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .stats-bar {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
}

.stat-item {
    background: white;
    padding: 0.7rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 0;
}

.stat-item:active {
    transform: scale(0.98);
}

@media (min-width: 640px) {
    .stat-item {
        padding: 0.9rem 1.1rem;
        gap: 0.8rem;
    }
}

.stat-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.2;
}

@media (min-width: 640px) {
    .stat-content h4 {
        font-size: 1.4rem;
    }
}

.stat-content p {
    font-size: 0.6rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

@media (min-width: 640px) {
    .stat-content p {
        font-size: 0.65rem;
    }
}

/* ==================== TABELA ==================== */
.table-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.table-header {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    background: var(--gray-50);
}

@media (min-width: 640px) {
    .table-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 1.25rem;
    }
}

.table-title {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.85rem;
}

.table-container {
    overflow-x: auto;
    max-height: 55vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Scroll indicator mobile */
.scroll-indicator {
    text-align: center;
    font-size: 0.7rem;
    color: var(--gray-500);
    padding: 0.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.7rem;
    min-width: 550px;
}

@media (min-width: 768px) {
    table {
        font-size: 0.8rem;
        min-width: auto;
    }
}

thead {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--gray-50);
}

th {
    padding: 0.7rem 0.6rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

@media (min-width: 768px) {
    th {
        padding: 0.9rem 1rem;
        font-size: 0.7rem;
    }
}

td {
    padding: 0.6rem 0.6rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

@media (min-width: 768px) {
    td {
        padding: 0.8rem 1rem;
    }
}

tr:active td {
    background: var(--gray-50);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }

.text-truncate {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (min-width: 640px) {
    .text-truncate {
        max-width: 180px;
    }
}

@media (min-width: 1024px) {
    .text-truncate {
        max-width: 280px;
    }
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .empty-state {
        padding: 3rem 2rem;
    }
}

.empty-state i {
    font-size: 2.5rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ==================== MODAL ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.active { display: flex; }

.modal {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 640px) {
    .modal-header {
        padding: 1.25rem 1.5rem;
    }
}

.modal-title { font-size: 1.1rem; font-weight: 700; }

.modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:active {
    background: var(--gray-100);
}

.modal-body {
    padding: 1rem;
}

@media (min-width: 640px) {
    .modal-body {
        padding: 1.5rem;
    }
}

/* ==================== EXPORT OPTIONS ==================== */
.export-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);  /* Mudei de 1fr para 2 colunas fixas */
    gap: 0.7rem;
}

@media (min-width: 640px) {
    .export-options {
        grid-template-columns: repeat(2, 1fr);  /* Mantém 2 colunas */
        gap: 1rem;
    }
}

/* Ajuste para telas muito pequenas */
@media (max-width: 480px) {
    .export-options {
        grid-template-columns: 1fr;  /* 1 coluna no celular */
        gap: 0.7rem;
    }
}

.export-option {
    padding: 0.9rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

.export-option:active {
    transform: scale(0.97);
    background: #eef2ff;
}

.export-option i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.4rem;
}

.export-option strong {
    font-size: 0.85rem;
}

.export-option p {
    font-size: 0.7rem;
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
    display: none;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    width: 0%;
    transition: width 0.3s ease;
}

/* ==================== FOOTER ==================== */
footer {
    margin-top: 1rem;
    background: white;
    border-radius: var(--radius-lg);
    padding: 0.9rem;
    box-shadow: var(--shadow-md);
    text-align: center;
}

@media (min-width: 640px) {
    footer {
        margin-top: 1.5rem;
        padding: 1.2rem;
    }
}

footer > div:first-child {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 0.6rem;
}

@media (min-width: 640px) {
    footer > div:first-child {
        gap: 1.5rem;
    }
}

footer span, footer a {
    font-size: 0.65rem;
}

@media (min-width: 640px) {
    footer span, footer a {
        font-size: 0.75rem;
    }
}

footer a {
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
}

footer a:active {
    color: var(--primary);
}

/* ==================== MOBILE ESPECÍFICO ==================== */
@media (max-width: 640px) {
    /* Header mobile */
    .page-header > div:first-of-type {
        width: 100%;
    }
    
    /* Botões ocupam espaço proporcional */
    .header-buttons {
        width: 100%;
    }
    
    .header-buttons .btn {
        flex: 1;
        min-width: 0;
    }
    
    /* Stats 3 colunas no mobile também */
    .stats-bar {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .stat-item {
        padding: 0.5rem;
    }
    
    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }
    
    .stat-content h4 {
        font-size: 0.9rem;
    }
    
    .stat-content p {
        font-size: 0.55rem;
    }
    
    /* Upload section mobile */
    .upload-section {
        padding: 0.85rem;
    }
    
    .file-label {
        padding: 0.6rem 0.85rem;
        font-size: 0.8rem;
    }
    
    /* Search mobile */
    .search-section {
        padding: 0.85rem;
    }
    
    .search-grid {
        gap: 0.6rem;
    }
    
    /* API section mobile */
    .api-section {
        padding: 0.85rem;
    }
    
    .api-section .btn {
        width: 100%;
    }
    
    /* Modal mobile */
    .modal {
        max-width: 95%;
        margin: 0.5rem;
    }
}

/* Ajuste para telas muito pequenas (abaixo de 400px) */
@media (max-width: 400px) {
    .stats-bar {
        gap: 0.4rem;
    }
    
    .stat-icon {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }
    
    .stat-content h4 {
        font-size: 0.85rem;
    }
    
    .stat-content p {
        font-size: 0.5rem;
    }
    
    .btn {
        padding: 0.5rem 0.7rem;
        font-size: 0.65rem;
    }
    
    .btn-sm {
        padding: 0.45rem 0.7rem;
    }
    
    table {
        min-width: 500px;
        font-size: 0.65rem;
    }
    
    th, td {
        padding: 0.5rem 0.4rem;
    }
}

/* Touch targets melhorados */
@media (max-width: 768px) {
    button, 
    .btn, 
    .export-option, 
    .stat-item,
    .file-label,
    .modal-close {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        min-height: 44px;
    }
    
    input, 
    select,
    .form-control {
        font-size: 16px;
    }
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Foco visível */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Animações suaves */
.stat-item, .btn, .export-option {
    transition: all 0.2s ease;
}

/* Botão Pegar API - escolha uma das opções acima */
.btn-api {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-api:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.05);
}

.btn-api:active {
    transform: translateY(0);
}

/* ==================== AJUSTES ESPECÍFICOS PARA BOTÕES NO CELULAR ==================== */

@media (max-width: 640px) {
    /* Container dos botões do header */
    .header-buttons {
        display: grid;
        grid-template-columns: repeat(3, 1fr);  /* 3 colunas */
        gap: 0.5rem;
        width: 100%;
    }
    
    /* Todos os botões dentro do header */
    .header-buttons .btn,
    .header-buttons .btn-sm {
        width: 100%;
        min-width: 0;  /* Permite que o botão encolha */
        padding: 0.6rem 0.3rem;
        font-size: 0.7rem;
        white-space: normal;  /* Permite quebra de linha */
        word-break: break-word;  /* Quebra palavras longas */
        line-height: 1.2;
        text-align: center;
    }
    
    /* Ícones nos botões */
    .header-buttons .btn i,
    .header-buttons .btn-sm i {
        font-size: 0.85rem;
        margin-right: 0.2rem;
    }
    
    /* Botão Importar (verde) - pode ficar com texto menor */
    .header-buttons .btn-success {
        font-size: 0.68rem;
    }
}

/* Ajuste para telas muito pequenas (abaixo de 400px) */
@media (max-width: 400px) {
    .header-buttons {
        grid-template-columns: repeat(2, 1fr);  /* 2 colunas em telas muito pequenas */
        gap: 0.5rem;
    }
    
    .header-buttons .btn,
    .header-buttons .btn-sm {
        padding: 0.5rem 0.25rem;
        font-size: 0.65rem;
    }
    
    .header-buttons .btn i,
    .header-buttons .btn-sm i {
        font-size: 0.8rem;
    }
}

/* Ajuste para telas entre 401px e 500px */
@media (min-width: 401px) and (max-width: 500px) {
    .header-buttons .btn,
    .header-buttons .btn-sm {
        font-size: 0.68rem;
        padding: 0.55rem 0.3rem;
    }
}

/* Melhorar o espaçamento geral no mobile */
@media (max-width: 640px) {
    /* Reduzir padding do header */
    .page-header {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    /* Título menor */
    .page-header h1 {
        font-size: 1.1rem;
        justify-content: center;
    }
    
    .page-header h1 a {
        justify-content: center;
    }
    
    /* Centralizar o título */
    .page-header {
        text-align: center;
    }
}

/* Ajuste específico para o botão "Pegar API" */
@media (max-width: 640px) {
    .btn-api {
        font-size: 0.68rem;
    }
    
    .btn-api i {
        font-size: 0.8rem;
    }
}

/* Para tablets pequenos (entre 641px e 768px) */
@media (min-width: 641px) and (max-width: 768px) {
    .header-buttons {
        gap: 0.4rem;
    }
    
    .header-buttons .btn,
    .header-buttons .btn-sm {
        padding: 0.5rem 0.8rem;
        font-size: 0.7rem;
    }
    
    .header-buttons .btn i,
    .header-buttons .btn-sm i {
        font-size: 0.8rem;
    }
}