/* ========================================
   THEME.CSS - Melhor da Temporada
   Estilos globais e variáveis
======================================== */

/* ==========================================
   CSS VARIABLES (Design System)
========================================== */
:root {
    /* Cores principais - Gradiente da logo */
    --primary-pink: #E91E63;
    --primary-blue: #1565C0;
    --gradient-main: linear-gradient(135deg, #E91E63 0%, #1565C0 100%);
    --gradient-hover: linear-gradient(135deg, #D81B60 0%, #0D47A1 100%);
    
    /* Cores complementares */
    --accent-orange: #FF6B35;
    --accent-purple: #9C27B0;
    
    /* Escala de cinzas */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    --black: #000000;
    
    /* Estados */
    --success: #4CAF50;
    --success-light: #81C784;
    --success-dark: #388E3C;
    
    --warning: #FFC107;
    --warning-light: #FFD54F;
    --warning-dark: #FFA000;
    
    --error: #F44336;
    --error-light: #E57373;
    --error-dark: #D32F2F;
    
    --info: #2196F3;
    --info-light: #64B5F6;
    --info-dark: #1976D2;
    
    /* Tipografia */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Espaçamento */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */
    --spacing-4xl: 6rem;      /* 96px */
    
    /* Bordas */
    --radius-none: 0;
    --radius-sm: 0.25rem;     /* 4px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 0.75rem;     /* 12px */
    --radius-xl: 1rem;        /* 16px */
    --radius-2xl: 1.5rem;     /* 24px */
    --radius-full: 9999px;
    
    --border-width: 1px;
    --border-width-2: 2px;
    --border-width-4: 4px;
    
    /* Sombras */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ==========================================
   RESET & BASE STYLES
========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    overflow-x: clip; /* clip ≠ hidden: não cria scroll container, mantém position:sticky funcional */
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--gray-900);
    background-color: var(--white);
    overflow-x: clip; /* clip ≠ hidden: não cria scroll container, mantém position:sticky funcional */
    min-height: 100vh;
}

/* ==========================================
   TYPOGRAPHY
========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-pink);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-blue);
}

strong, b {
    font-weight: var(--font-weight-bold);
}

em, i {
    font-style: italic;
}

small {
    font-size: var(--font-size-sm);
}

/* ==========================================
   LAYOUT CONTAINERS
========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.container-fluid {
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.container-narrow {
    width: 100%;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* ==========================================
   HEADER & NAVBAR
========================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

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

.logo img {
    /* Crop the heavy whitespace in the 16:9 logo canvas */
    width: 200px;
    height: 56px;
    object-fit: cover;
    object-position: center center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-pink);
    background: var(--gray-50);
}

.nav-link .icon {
    font-size: var(--font-size-lg);
}

/* User Avatar */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gradient-main);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-toggle:hover {
    background: var(--gray-50);
}

.dropdown-arrow {
    font-size: var(--font-size-xs);
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    min-width: 220px;
    padding: var(--spacing-sm);
    z-index: var(--z-dropdown);
    animation: fadeInDown var(--transition-fast);
}

.dropdown-menu.show {
    display: block;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary-pink);
}

.dropdown-item .icon {
    font-size: var(--font-size-lg);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    border: none;
    margin: var(--spacing-sm) 0;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-900);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ==========================================
   FOOTER
========================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--gray-400);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
    color: var(--white);
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* Newsletter Form */
.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-700);
    border-radius: var(--radius-md);
    background: var(--gray-800);
    color: var(--white);
    font-size: var(--font-size-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-pink);
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    color: var(--gray-500);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-bottom-links a {
    color: var(--gray-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--white);
}

.separator {
    color: var(--gray-700);
}

/* ==========================================
   MAIN CONTENT
========================================== */
.main-content {
    min-height: calc(100vh - 300px);
}

/* ==========================================
   BACK TO TOP BUTTON
========================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   RESPONSIVE DESIGN
========================================== */
@media (max-width: 1024px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-sm);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        padding-left: var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container,
    .container-fluid,
    .container-narrow {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}