/* ===== RESET E CONFIGURAÇÕES GLOBAIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CONFIGURAÇÕES PARA MOBILE ===== */
/* Desabilitar zoom no mobile */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Desabilitar zoom em inputs e botões */
input, textarea, select, button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Permitir seleção de texto em inputs específicos */
input[type="text"], input[type="email"], input[type="number"], textarea {
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Desabilitar zoom duplo toque */
* {
    touch-action: manipulation;
}

/* Configurações específicas para iOS Safari */
@supports (-webkit-touch-callout: none) {
    html {
        -webkit-text-size-adjust: none;
    }
    
    body {
        -webkit-text-size-adjust: none;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
    }
}

:root {
    /* Paleta de cores moderna */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary-color: #ec4899;
    --secondary-dark: #db2777;
    --secondary-light: #f9a8d4;
    
    /* Cores neutras */
    --white: #ffffff;
    --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;
    --gray-900: #111827;
    
    /* Cores de status */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espaçamento */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Bordas e sombras */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== LAYOUT PRINCIPAL ===== */
#endo-app {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.endo {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.wrap {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
}

/* ===== CABEÇALHO ===== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-6) var(--spacing-4);
    text-align: center;
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    position: relative;
    z-index: 1;
}

.header p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* ===== TELAS/SCREENS ===== */
.screen {
    padding: var(--spacing-6) var(--spacing-4);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.screen.hidden {
    display: none;
}

/* ===== FORMULÁRIO EM ETAPAS ===== */
.step {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.step-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.step-subtitle {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    line-height: 1.5;
}

.step-progress {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.progress-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--border-radius-full);
    background: var(--gray-200);
    transition: all 0.3s ease;
}

.progress-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.progress-dot.completed {
    background: var(--success-color);
}

.progress-line {
    width: 24px;
    height: 2px;
    background: var(--gray-200);
    transition: all 0.3s ease;
}

.progress-line.completed {
    background: var(--success-color);
}

/* ===== CAMPOS DE FORMULÁRIO ===== */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    background: var(--white);
}

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

.form-input::placeholder {
    color: var(--gray-400);
}

/* ===== SELECT CUSTOMIZADO ===== */
.custom-select {
    position: relative;
}

.select-button {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    background: var(--white);
    text-align: left;
    font-size: var(--font-size-base);
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.select-button:hover {
    border-color: var(--gray-300);
}

.select-button.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.select-arrow {
    transition: transform 0.3s ease;
}

.select-button.active .select-arrow {
    transform: rotate(180deg);
}

.select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

.select-dropdown.show {
    display: block;
    animation: slideDown 0.3s ease;
}

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

.select-option {
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--gray-100);
}

.select-option:hover {
    background: var(--gray-50);
}

.select-option:last-child {
    border-bottom: none;
}

/* ===== CHECKBOXES E RADIO BUTTONS CUSTOMIZADOS ===== */
.checkbox-grid, .radio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-3);
}

.checkbox-item, .radio-item {
    position: relative;
}

.checkbox-input, .radio-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-label, .radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.checkbox-label:hover, .radio-label:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.checkbox-input:checked + .checkbox-label,
.radio-input:checked + .radio-label {
    border-color: var(--primary-color);
    background: var(--primary-light);
    color: var(--primary-dark);
}

.checkbox-icon, .radio-icon {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-2);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.radio-icon {
    border-radius: var(--border-radius-full);
}

.checkbox-input:checked + .checkbox-label .checkbox-icon,
.radio-input:checked + .radio-label .radio-icon {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.checkbox-icon::after {
    content: '✓';
    color: var(--white);
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.radio-icon::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: var(--border-radius-full);
    background: var(--white);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.checkbox-input:checked + .checkbox-label .checkbox-icon::after,
.radio-input:checked + .radio-label .radio-icon::after {
    opacity: 1;
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
    border-color: var(--gray-300);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* Animação de pulso para o botão principal */
.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* ===== NAVEGAÇÃO DE ETAPAS ===== */
.step-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-8);
    gap: var(--spacing-4);
}

.step-navigation .btn {
    flex: 1;
}

/* ===== NAVEGAÇÃO INFERIOR ===== */
.botnav {
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-2);
}

.nav {
    display: flex;
    justify-content: space-around;
}

.nav button {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-2);
    border: none;
    background: transparent;
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
    position: relative;
}

.nav button.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.nav button:hover {
    color: var(--primary-dark);
    background: var(--gray-50);
}

/* ===== CONTEÚDO DO PLANO ===== */
.plan-content {
    padding: var(--spacing-4);
}

.day-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-4);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.day-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.day-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.carb-cycle-badge {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.2);
}

.meal-card {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-100);
}

.meal-card:last-child {
    border-bottom: none;
}

/* Melhorias para cards de refeição */
.meal-item {
    margin-bottom: var(--spacing-5) !important;
    box-shadow: var(--shadow-sm) !important;
}

.meal-item:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-2px);
    border-color: var(--primary-color) !important;
}

.meal-item .meal-header {
    border-bottom: 2px solid var(--gray-100) !important;
    padding-bottom: var(--spacing-3) !important;
}

.meal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.meal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
}

.meal-calories {
    background: var(--secondary-light);
    color: var(--secondary-dark);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.recipe-name {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.macros {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-3);
}

.ingredients, .instructions {
    margin-bottom: var(--spacing-3);
}

.ingredients h4, .instructions h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.ingredients ul, .instructions ol {
    padding-left: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.ingredients li, .instructions li {
    margin-bottom: var(--spacing-1);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 480px) {
    #endo-app {
        padding: var(--spacing-2);
    }
    
    .endo {
        max-width: 100%;
    }
    
    .header h1 {
        font-size: var(--font-size-xl);
    }
    
    .step-title {
        font-size: var(--font-size-xl);
    }
    
    .checkbox-grid, .radio-grid {
        grid-template-columns: 1fr;
    }
    
    .step-navigation {
        flex-direction: column;
    }
    
    .macros {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ===== ANIMAÇÕES ADICIONAIS ===== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideInUp 0.5s ease-out;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

.animate-bounce {
    animation: bounce 1s ease-in-out;
}


/* ===== ANIMAÇÕES ADICIONAIS PARA INTERATIVIDADE ===== */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Melhorias para botões desabilitados */
.btn-disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

.btn-disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Animações de entrada para elementos */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Melhorias para elementos de formulário */
.form-input:invalid {
    border-color: var(--error-color);
}

.form-input:valid {
    border-color: var(--success-color);
}

/* Hover states melhorados */
.day-card:hover .day-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.meal-card:hover {
    background: var(--gray-50);
    transform: translateX(4px);
}

/* Melhorias para mobile */
@media (max-width: 480px) {
    .step-header {
        margin-bottom: var(--spacing-6);
    }
    
    .step-title {
        font-size: var(--font-size-lg);
    }
    
    .checkbox-grid, .radio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    .checkbox-label, .radio-label {
        padding: var(--spacing-4);
        font-size: var(--font-size-base);
    }
    
    .step-navigation {
        margin-top: var(--spacing-6);
    }
    
    .btn {
        padding: var(--spacing-4) var(--spacing-6);
        font-size: var(--font-size-base);
    }
}

/* Estados de foco melhorados para acessibilidade */
.btn:focus,
.form-input:focus,
.checkbox-label:focus-within,
.radio-label:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Transições suaves para todos os elementos interativos */
* {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

/* ===== ESTILOS DO CHAT ===== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 400px;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--white);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-4);
    background: var(--gray-50);
}

.message {
    display: flex;
    margin-bottom: var(--spacing-4);
    animation: slideInUp 0.3s ease;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-full);
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-right: var(--spacing-3);
    flex-shrink: 0;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: var(--secondary-color);
    margin-right: 0;
    margin-left: var(--spacing-3);
}

.message-content {
    flex: 1;
    max-width: 80%;
}

.message-bubble {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    word-wrap: break-word;
}

.ai-message .message-bubble {
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-800);
}

.user-message .message-bubble {
    background: var(--primary-color);
    color: var(--white);
}

.chat-input-container {
    padding: var(--spacing-4);
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--spacing-2);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    resize: none;
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-input:focus {
    border-color: var(--primary-color);
}

.chat-send-btn {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.chat-send-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Indicador de digitação */
.typing-indicator .message-bubble {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
}

.typing-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-400);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Botões de FAQ */
.faq-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2);
}

.faq-btn {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.faq-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Responsividade do chat */
@media (max-width: 480px) {
    .chat-container {
        height: 350px;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .faq-buttons {
        grid-template-columns: 1fr;
    }
    
    .chat-input-wrapper {
        flex-direction: column;
    }
    
    .chat-send-btn {
        width: 100%;
    }
}

/* ===== BOTÕES PEQUENOS ===== */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
}

/* Botão outline e pílula para ações secundárias lindas */
.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.btn-outline:hover {
    background: var(--primary-light);
}
.btn-pill {
    border-radius: 999px;
    padding: 10px 16px;
}

/* ===== MODAL DE INGREDIENTES ===== */
.ingredient-option {
    transition: all 0.3s ease;
}

.ingredient-option:hover {
    border-color: var(--primary-color) !important;
    background: var(--primary-light) !important;
}

.ingredient-option input:checked + span {
    font-weight: 500;
}

/* ===== ANIMAÇÕES PARA MODAIS ===== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ===== MELHORIAS PARA MOBILE ===== */
@media (max-width: 480px) {
    .ingredient-option {
        padding: var(--spacing-3);
        font-size: var(--font-size-base);
    }
    
    .btn-sm {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
    }
}

/* Melhorias para a barra de progresso */
.progress-dot {
    position: relative;
}

.progress-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border-radius: var(--border-radius-full);
    background: var(--primary-color);
    opacity: 0;
    transition: all 0.3s ease;
}

.progress-dot.active::after {
    opacity: 0.2;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
}

/* Melhorias para mensagens de validação */
.validation-message,
.error-message {
    animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}