/* Firm Skin Pro - Sistema de Design Premium */

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

:root {
    /* Cores Principais */
    --primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    --success: #10b981;
    --warning: #f59e0b;

    /* Cores Neutras */
    --dark: #1a1a2e;
    --medium: #16213e;
    --light: #f8f9fa;
    --white: #ffffff;

    /* Gradientes */
    --bg-gradient: linear-gradient(180deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    --card-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);

    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Tipografia */
    --font-family: 'Outfit', -apple-system, system-ui, sans-serif;
}

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* =========================
   HEADER
   ========================= */
.app-header,
.main-header {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo,
.main-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffd89b, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-logo {
    font-size: 2.5rem;
    text-align: center;
}

.main-tagline {
    text-align: center;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

.btn-home {
    background: var(--primary);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

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

/* =========================
   MAIN CONTENT
   ========================= */
.app-main,
.menu-main {
    padding: var(--spacing-xl) 0;
    min-height: 80vh;
}

.page-hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #ffd89b, #f093fb, #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* =========================
   MENU GRID
   ========================= */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.menu-card {
    background: var(--card-gradient);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--white);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.3);
}

.menu-card:hover::before {
    opacity: 1;
}

.menu-card.featured {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border: 2px solid rgba(102, 126, 234, 0.5);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.menu-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.menu-card p {
    opacity: 0.8;
    font-size: 0.95rem;
}

.card-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* =========================
   FASE NAVEGAÇÃO (Programa 21 Dias)
   ========================= */
.phase-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.phase-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.phase-btn.active {
    background: var(--primary);
    border-color: transparent;
}

.phase-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
}

.phase-content {
    display: none;
}

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

.phase-intro {
    background: var(--card-gradient);
    padding: var(--spacing-lg);
    border-radius: 15px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid #ffd89b;
}

/* =========================
   ACCORDIONS (Dias)
   ========================= */
.day-accordion {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.day-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
    list-style: none;
}

.day-summary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.day-summary.special {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 105, 180, 0.2));
}

.day-number {
    background: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    margin-right: var(--spacing-md);
}

.day-title {
    flex: 1;
}

.day-details {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.day-section {
    margin-bottom: var(--spacing-md);
}

.day-section h4 {
    color: #ffd89b;
    margin-bottom: var(--spacing-sm);
}

.day-section ul {
    list-style: none;
    padding-left: var(--spacing-md);
}

.day-section li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.day-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.day-note {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
    border-left: 4px solid #10b981;
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.day-note.celebration {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 105, 180, 0.2));
    border-left-color: #ffd700;
}

.day-note.celebration-final {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 105, 180, 0.3));
    border: 2px solid #ffd700;
    text-align: center;
}

.nested-list {
    margin-top: 0.5rem;
}

.day-quick-summary {
    line-height: 1.8;
}

.special-day,
.final-day {
    background: rgba(255, 215, 0, 0.1);
    padding: var(--spacing-md);
    border-radius: 10px;
}

/* =========================
   CARDS E BOXES
   ========================= */
.science-card,
.supplement-card,
.exercise-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.icon-card {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-box,
.result-box {
    background: rgba(102, 126, 234, 0.2);
    border-left: 4px solid #667eea;
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

.result-box {
    background: rgba(16, 185, 129, 0.2);
    border-left-color: #10b981;
}

/* =========================
   EXERCÍCIOS
   ========================= */
.exercise-card.featured {
    border: 2px solid #ffd700;
    background: rgba(255, 215, 0, 0.05);
}

.exercise-header {
    margin-bottom: var(--spacing-md);
}

.exercise-number {
    background: var(--primary);
    padding: 0.3rem 0.8rem;
    border-radius: 50%;
    font-weight: 700;
    margin-right: 0.5rem;
}

.exercise-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.target,
.frequency {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.exercise-steps {
    padding-left: 1.5rem;
}

.exercise-steps li {
    margin-bottom: var(--spacing-sm);
}

.exercise-tip {
    background: rgba(255, 215, 155, 0.1);
    border-left: 3px solid #ffd89b;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-md);
    border-radius: 5px;
}

.exercise-tip.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: #f59e0b;
}

.badge-essential {
    background: #ffd700;
    color: #1a1a2e;
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

/* =========================
   CIRCUITO
   ========================= */
.circuit-container {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.circuit-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: #ffd89b;
}

.circuit-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.circuit-exercise {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-sm);
}

/* =========================
   GRIDS
   ========================= */
.mechanism-grid,
.supplement-grid,
.foods-grid,
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.mechanism-card,
.food-card,
.tip-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.food-emoji,
.tip-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.dosage {
    background: #667eea;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* =========================
   TIMELINE
   ========================= */
.timeline-container {
    position: relative;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-marker {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: inline-block;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.visible-change {
    font-style: italic;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

/* =========================
   BOTÕES
   ========================= */
.bottom-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* =========================
   BOXES ESPECIAIS
   ========================= */
.welcome-section,
.quick-start-box,
.motivation-box {
    text-align: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--card-gradient);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.welcome-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.quick-start-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.step {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 12px;
    flex: 1;
    min-width: 200px;
}

.step-number {
    background: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-sm);
}

.step-arrow {
    font-size: 2rem;
    color: #ffd89b;
}

.motivation-cta {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
}

/* =========================
   FOOTER
   ========================= */
.app-footer {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* =========================
   RESPONSIVIDADE
   ========================= */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .main-logo {
        font-size: 1.8rem;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .phase-nav {
        flex-direction: column;
    }

    .phase-btn {
        width: 100%;
    }

    .day-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .bottom-nav {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .quick-start-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .exercise-meta {
        flex-direction: column;
    }
}

/* =========================
   ANIMAÇÕES
   ========================= */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-card,
.day-accordion,
.exercise-card {
    animation: fadeIn 0.5s ease-out;
}

/* =========================
   UTILIDADES
   ========================= */
.check-list {
    list-style: none;
    padding-left: 0;
}

.check-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 2rem;
    position: relative;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0.5rem;
    color: #10b981;
    font-weight: bold;
    font-size: 1.2rem;
}

.lead {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.final-thought {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border-radius: 10px;
}

.citation {
    font-style: italic;
    opacity: 0.8;
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 3px solid #667eea;
}

.study-box,
.science-fact-box,
.conclusion-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.intro-box,
.routine-grid,
.results-section,
.tips-section {
    margin: var(--spacing-xl) 0;
}

.routine-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
}

.results-timeline {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.result-item {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.result-week {
    font-weight: 700;
    color: #ffd89b;
    margin-bottom: 0.5rem;
}