/**
 * Gerador de Call-to-Action
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * 
 * SISTEMA DE CORES - ORGANIZAÇÃO POR CONTRASTE
 * ============================================
 * 
 * O esquema de cores foi projetado para garantir:
 * - Contraste WCAG AA (mínimo 4.5:1 para texto normal)
 * - Contraste WCAG AAA (mínimo 7:1 para texto importante)
 * - Legibilidade em diferentes dispositivos
 * - Hierarquia visual clara
 */

:root {
    /* Cores Principais - Gradiente Vibrante */
    --primary: #7232B0;          /* Roxo principal - Contraste: 6.8:1 com branco */
    --primary-dark: #5a2890;     /* Roxo escuro - Contraste: 9.2:1 com branco */
    --secondary: #E01818;        /* Vermelho - Contraste: 5.9:1 com branco */
    --secondary-dark: #b51414;   /* Vermelho escuro - Contraste: 8.1:1 com branco */
    
    /* Cores de Acento - Usadas em destaques e badges */
    --accent-1: #F56524;         /* Laranja - Energia e ação */
    --accent-2: #F5A623;         /* Dourado - Urgência média */
    --accent-3: #FFD166;         /* Amarelo claro - Atenção suave */
    
    /* Backgrounds - Base neutra para conteúdo */
    --bg-primary: #ffffff;       /* Branco puro - Cards e áreas principais */
    --bg-secondary: #f5f7fa;     /* Cinza muito claro - Fundo alternativo */
    --bg-card: #ffffff;          /* Branco - Cards e containers */
    --bg-gradient: linear-gradient(135deg, #7232B0 0%, #E01818 100%);
    
    /* Textos - Contraste Alto (WCAG AAA) */
    --text-primary: #1a1a1a;     /* Preto intenso - Contraste: 19.4:1 com branco */
    --text-secondary: #4a5568;   /* Cinza escuro - Contraste: 9.8:1 com branco */
    --text-tertiary: #718096;    /* Cinza médio - Contraste: 5.7:1 com branco */
    --text-light: #a0aec0;       /* Cinza claro - Contraste: 3.2:1 (apenas decorativo) */
    --text-white: #ffffff;       /* Branco - Para fundos escuros */
    
    /* Borders - Separadores visuais */
    --border-color: #e2e8f0;     /* Cinza claro - Separadores suaves */
    --border-color-dark: #cbd5e0; /* Cinza médio - Separadores com mais destaque */
    
    /* Shadows - Profundidade */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 32px rgba(0,0,0,0.25);
    
    /* Estados de Interação */
    --hover-opacity: 0.9;
    --active-scale: 0.98;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 80px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ============================================
   HEADER - Logo e Navegação Principal
   ============================================ */

.app-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent-1)) 1;
}

/* Layout do Header - Flex com logo + texto */
.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
}

.logo-container {
    flex-shrink: 0;
}

.app-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(114, 50, 176, 0.2));
    transition: var(--transition);
    animation: logoFadeIn 0.6s ease-out;
}

.app-logo:hover {
    transform: scale(1.08) rotate(5deg);
    filter: drop-shadow(0 4px 16px rgba(114, 50, 176, 0.4));
    animation: logoFloat 2s ease-in-out infinite;
}

@keyframes logoFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes logoFloat {
    0%, 100% {
        transform: scale(1.08) rotate(5deg) translateY(0);
    }
    50% {
        transform: scale(1.08) rotate(5deg) translateY(-3px);
    }
}

.header-text {
    text-align: left;
    animation: textSlideIn 0.8s ease-out;
}

@keyframes textSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.app-header h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
    font-weight: 800;
    line-height: 1.2;
}
.black-bar {
position: fixed;
bottom: 0;
left: 0;
right: 0;
height: 30px;
background-color: #000000;
z-index: 1001;
}
.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
}

/* Main Content */
main {
    padding: var(--spacing-lg) var(--spacing-sm);
}

.content-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.content-section.active {
    display: block;
}

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

/* Objective Selector */
.objective-selector {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.objective-selector h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.objective-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.objective-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    min-height: 100px;
}

.objective-btn i {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

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

.objective-btn.active {
    background: var(--bg-gradient);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

/* Urgency Selector */
.urgency-selector {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.urgency-selector h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.urgency-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.urgency-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--text-primary);
}

.urgency-btn:hover {
    transform: scale(1.05);
    border-color: var(--accent-2);
    box-shadow: var(--shadow-sm);
}

.urgency-btn.active {
    background: var(--accent-2);
    color: var(--text-primary);
    border-color: transparent;
    box-shadow: var(--shadow-md);
    font-weight: 700;
}

/* CTA Display */
.cta-display {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.cta-card {
    background: linear-gradient(135deg, rgba(114, 50, 176, 0.06), rgba(224, 24, 24, 0.06));
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.cta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.cta-tag {
    background: var(--primary);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.urgency-badge {
    background: var(--accent-2);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.cta-content {
    margin: var(--spacing-lg) 0;
}

.cta-text {
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.7;
    color: var(--text-primary);
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}

/* Score */
.cta-score {
    margin: var(--spacing-lg) 0;
}

.score-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
    font-weight: 600;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.score-bar {
    height: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-2), var(--accent-1), var(--secondary));
    border-radius: 6px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Actions */
.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.action-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.5rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.action-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.favorite-btn.active {
    background: var(--secondary);
    color: var(--text-white);
    border-color: var(--secondary);
    box-shadow: var(--shadow-md);
}

.favorite-btn.active i::before {
    content: "\f004";
}

.copy-btn:active {
    background: var(--primary);
    color: var(--text-white);
    transform: scale(0.95);
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.nav-btn {
    flex: 1;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    min-height: 58px;
    box-shadow: var(--shadow-sm);
}

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

.nav-btn.primary {
    background: var(--bg-gradient);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.nav-btn.primary:hover {
    opacity: var(--hover-opacity);
    box-shadow: var(--shadow-lg);
}

/* Favorites */
#favorites-section h2 {
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.favorite-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color-dark);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.favorite-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.favorite-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

/* Estilos específicos para tags dentro dos favoritos */
.favorite-card .cta-tag {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
    font-weight: 800;
}

.favorite-card .urgency-badge {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
    font-weight: 800;
    background: var(--accent-1);
    color: var(--text-white);
}

.favorite-card-text {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.6;
    margin: var(--spacing-md) 0;
    color: var(--text-primary);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
}

.favorite-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color-dark);
}

.favorite-score {
    font-weight: 800;
    color: var(--primary-dark);
    font-size: 1.05rem;
    background: var(--bg-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
}

.remove-favorite-btn {
    background: rgba(224, 24, 24, 0.1);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--secondary-dark);
    cursor: pointer;
    font-size: 1.3rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition);
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-favorite-btn:hover {
    transform: scale(1.1);
    background: var(--secondary);
    color: var(--text-white);
    border-color: var(--secondary-dark);
    box-shadow: var(--shadow-md);
}

.remove-favorite-btn:active {
    transform: scale(0.95);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color-dark);
}

.empty-state p {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.6;
    color: var(--text-tertiary);
}

.empty-hint {
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* FAQ */
.faq-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer[hidden] {
    display: none;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-xs) 0;
    z-index: 1000;
    margin-bottom: 80px;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xs);
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--transition);
    min-height: 64px;
    justify-content: center;
}

.nav-item i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 600;
}

.nav-item.active {
    color: var(--primary);
    font-weight: 700;
}

.nav-item:hover {
    color: var(--primary);
    background: var(--bg-secondary);
}

/* Footer */
.app-footer {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
    margin-bottom: 60px;
}

.app-footer p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

.b20-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.b20-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
    transform: scale(1.05);
    display: inline-block;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--text-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Screen Reader Only */
.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;
}

/* Responsive */
@media (max-width: 768px) {
    /* Header em Mobile */
    .app-header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-content {
        gap: var(--spacing-sm);
    }
    
    .app-logo {
        width: 50px;
        height: 50px;
    }
    
    .header-text {
        text-align: left;
    }
    
    .app-header h1 {
        font-size: 1.4rem;
        margin-bottom: 0.15rem;
    }
    
    .subtitle {
        font-size: 0.85rem;
    }
    
    .objective-buttons {
        grid-template-columns: 1fr;
    }
    
    .urgency-buttons {
        grid-template-columns: 1fr;
    }
    
    .cta-text {
        font-size: 1.15rem;
        padding: var(--spacing-md);
        min-height: 100px;
    }
    
    .score-value {
        font-size: 2.5rem;
    }
    
    /* Favoritos em Mobile */
    #favorites-section h2 {
        font-size: 1.5rem;
    }
    
    .favorites-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .favorite-card {
        padding: var(--spacing-md);
    }
    
    .favorite-card-text {
        font-size: 1rem;
        padding: var(--spacing-sm);
    }
    
    .favorite-score {
        font-size: 0.95rem;
    }
    
    .remove-favorite-btn {
        font-size: 1.2rem;
        min-width: 36px;
        min-height: 36px;
    }
    
    .action-btn {
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }
    
    .nav-btn {
        font-size: 0.9rem;
        min-height: 52px;
    }
}

/* Tablets */
@media (min-width: 481px) and (max-width: 768px) {
    .app-logo {
        width: 56px;
        height: 56px;
    }
    
    .header-content {
        gap: var(--spacing-md);
    }
    
    .app-header h1 {
        font-size: 1.7rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
}

/* Móveis pequenos */
@media (max-width: 480px) {
    .app-logo {
        width: 46px;
        height: 46px;
    }
    
    .header-content {
        gap: var(--spacing-xs);
    }
    
    .app-header h1 {
        font-size: 1.25rem;
    }
    
    .subtitle {
        font-size: 0.8rem;
    }
}

@media (min-width: 769px) {
    /* Header em Desktop */
    .app-logo {
        width: 70px;
        height: 70px;
    }
    
    .header-content {
        gap: var(--spacing-lg);
    }
    
    .app-header h1 {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .bottom-nav {
        display: none;
    }
    
    body {
        padding-bottom: 0;
    }
    
    .app-header {
        position: relative;
    }
    
    .content-section {
        display: block;
        margin-bottom: var(--spacing-xl);
    }
    
    .content-section h2 {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-sm);
        border-bottom: 4px solid var(--primary);
        color: var(--text-primary);
    }
    
    .objective-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.pulse {
    animation: pulse 0.5s ease;
}