/**
 * ============================================================================
 * STYLE.CSS - ESTILOS DO QUIZ EMAGRECENTRO
 * ============================================================================
 * 
 * Estilos customizados para o quiz de emagrecimento com sistema de navegação
 * por seções, página de resultado dinâmica e design responsivo.
 * 
 * @author Digital Eyes
 * @date 2025-01-28
 * @version 2.0 - Reestruturado
 */

/* ============================================================================
   IMPORTS E CONFIGURAÇÕES GLOBAIS
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --color-primary: #14b8a6;
    --color-primary-dark: #0d9488;
    --color-primary-light: #5eead4;
    --color-secondary: #0891b2;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ============================================================================
   ESTILOS BASE
   ============================================================================ */

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   LAYOUT PRINCIPAL DO QUIZ
   ============================================================================ */

.quiz-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.quiz-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-2xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 42rem;
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================================================
   ANIMAÇÕES
   ============================================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

.error-shake {
    animation: shake 0.5s;
}

.pulse {
    animation: pulse 2s infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ============================================================================
   NAVEGAÇÃO POR SEÇÕES DO QUIZ
   ============================================================================ */

.quiz-section {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.quiz-section.active {
    display: block;
    opacity: 1;
    animation: fadeInUp 0.5s ease-out;
}

.quiz-section.hidden {
    display: none;
}

/* ============================================================================
   PROGRESS BAR
   ============================================================================ */

.progress-bar {
    width: 100%;
    height: 0.75rem;
    background: var(--color-gray-200);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 9999px;
    transition: width var(--transition-slow);
    box-shadow: 0 0 10px rgba(20, 184, 166, 0.5);
}

/* ============================================================================
   BOTÕES DE OPÇÃO DO QUIZ
   ============================================================================ */

.quiz-option {
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-gray-200);
    background: white;
    position: relative;
    overflow: hidden;
}

.quiz-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.1), transparent);
    transition: left var(--transition-normal);
}

.quiz-option:hover::before {
    left: 100%;
}

.quiz-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    background-color: #f0fdfa;
}

.quiz-option:active {
    transform: translateY(-1px);
}

.quiz-option.selected {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-color: var(--color-primary-dark);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

/* ============================================================================
   BOTÕES CTA
   ============================================================================ */

.cta-button {
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.4);
    position: relative;
    overflow: hidden;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.cta-button::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 var(--transition-slow), height var(--transition-slow);
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 7px 25px rgba(20, 184, 166, 0.5);
}

.cta-button:active {
    transform: translateY(-1px) scale(0.98);
}

.cta-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================================================
   INPUTS E FORMULÁRIOS
   ============================================================================ */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
    transition: all var(--transition-normal);
    font-family: inherit;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.2);
    outline: none;
}

input[type="text"].border-red-500,
input[type="email"].border-red-500,
input[type="tel"].border-red-500 {
    border-color: var(--color-error) !important;
    animation: shake 0.5s;
}

/* Remover spinner de inputs number */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* ============================================================================
   SLIDERS (RANGE INPUT)
   ============================================================================ */

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

/* Track - Chrome/Safari */
input[type="range"]::-webkit-slider-runnable-track {
    background: var(--color-gray-200);
    height: 0.5rem;
    border-radius: 9999px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    margin-top: -0.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

/* Track - Firefox */
input[type="range"]::-moz-range-track {
    background: var(--color-gray-200);
    height: 0.5rem;
    border-radius: 9999px;
}

input[type="range"]::-moz-range-thumb {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

/* ============================================================================
   PÁGINA DE RESULTADO (OBRIGADO.PHP)
   ============================================================================ */

.resultado-container {
    animation: fadeInUp 0.6s ease-out;
}

.resultado-nivel-1 {
    border-left: 6px solid #10B981;
}

.resultado-nivel-2 {
    border-left: 6px solid #3B82F6;
}

.resultado-nivel-3 {
    border-left: 6px solid #F59E0B;
}

.resultado-nivel-4 {
    border-left: 6px solid #EF4444;
}

.resultado-nivel-5 {
    border-left: 6px solid #7C3AED;
}

.badge-nivel {
    display: inline-block;
    font-weight: 700;
    border-radius: 9999px;
    animation: pulse 2s infinite;
}

.btn-whatsapp {
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-whatsapp::after {
    content: '→';
    position: absolute;
    right: 1.5rem;
    opacity: 0;
    transition: all var(--transition-normal);
}

.btn-whatsapp:hover::after {
    opacity: 1;
    right: 1rem;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* ============================================================================
   MENSAGENS E ALERTAS
   ============================================================================ */

.error-message {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-error);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    animation: slideInRight 0.3s ease-out;
}

.success-message {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--color-success);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    animation: slideInRight 0.3s ease-out;
}

.info-message {
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    animation: slideInRight 0.3s ease-out;
}

/* ============================================================================
   LOADING STATE
   ============================================================================ */

.loading {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

/* ============================================================================
   RESPONSIVIDADE
   ============================================================================ */

@media (max-width: 768px) {
    .quiz-card {
        padding: 1.5rem;
        border-radius: 1rem;
    }
    
    .quiz-container {
        padding: 1rem 0.5rem;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 14px;
    }
    
    .quiz-card {
        margin: 0.5rem;
        padding: 1.25rem;
    }
    
    h1 {
        font-size: 1.75rem !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
    }
    
    h3 {
        font-size: 1.25rem !important;
    }
    
    .text-4xl {
        font-size: 2rem;
    }
    
    .text-3xl {
        font-size: 1.75rem;
    }
    
    .text-2xl {
        font-size: 1.5rem;
    }
    
    .text-xl {
        font-size: 1.25rem;
    }
}

/* ============================================================================
   ACESSIBILIDADE
   ============================================================================ */

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================================================
   IMPRESSÃO
   ============================================================================ */

@media print {
    body {
        background: white;
    }
    
    .quiz-card {
        box-shadow: none;
        border: 1px solid var(--color-gray-300);
    }
    
    .cta-button,
    .quiz-option {
        border: 1px solid var(--color-gray-300) !important;
    }
}

/* ============================================================================
   DARK MODE (OPCIONAL - PREPARADO)
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    /* Descomente para ativar dark mode automático
    
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        color: #f1f5f9;
    }
    
    .quiz-card {
        background: rgba(30, 41, 59, 0.95);
        color: #f1f5f9;
    }
    
    */
}

/* ============================================================================
   UTILITÁRIOS
   ============================================================================ */

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

.transition-all {
    transition: all var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-2px);
}

.hover-scale:hover {
    transform: scale(1.05);
}