/* ============================
   PALETTE.CSS
   Sistema de Design DiscoCloud
   Paleta: Preto/Branco/Cinza
   ============================ */

@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Poppins:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* === CORES BASE === */
    --white: #ffffff;
    --black: #000000;
    
    /* === ESCALA DE CINZAS === */
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-300: #d0d0d0;
    --gray-400: #b8b8b8;
    --gray-500: #999999;
    --gray-600: #737373;
    --gray-700: #4a4a4a;
    --gray-800: #2a2a2a;
    
    /* === TEXTO === */
    --text-dark: #111111;
    --text-light: #ffffff;

    /* === TIPOGRAFIA === */
    --font-display: 'Fredoka One', Arial, sans-serif;
    --font-body: 'Poppins', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* === RAIOS DE BORDA === */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

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

    /* === SOMBRAS === */
    --shadow-soft: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 36px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);

    /* === TRANSIÇÕES === */
    --trans-fast: 0.15s ease;
    --trans-normal: 0.3s ease;
    --trans-slow: 0.5s ease;

    /* === ALIASES DE COMPATIBILIDADE === */
    --light-secondary: var(--gray-200);
    --dark: var(--gray-800);
    --vinyl-red: var(--gray-800);
    --vinyl-gold: var(--gray-500);
    --accent-green: var(--gray-600);
    --grad-sunset: linear-gradient(135deg, var(--gray-800), var(--gray-600));
    --grad-vinyl: linear-gradient(135deg, var(--gray-700), var(--gray-500));
    --page-max-width: 1700px;
    --page-gutter: clamp(12px, 2vw, 28px);
    --page-block-gap: clamp(10px, 1.4vw, 20px);
    --page-footer-gap: clamp(32px, 6vh, 72px);
    --footer-min-height: clamp(220px, 24vh, 320px);
}

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

html {
    height: 100%;
}

/* === BODY === */
body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

main {
    flex: 1 0 auto;
    width: 100%;
}

main.content,
main.catalogo-container {
    width: min(var(--page-max-width), calc(100% - (var(--page-gutter) * 2)));
    margin: var(--page-block-gap) auto 0;
    padding-bottom: var(--page-footer-gap);
}

main.content > :last-child,
main.catalogo-container > :last-child {
    margin-bottom: 0;
}

/* === LINKS === */
a {
    color: var(--gray-800);
    text-decoration: none;
    transition: color var(--trans-normal);
}

a:hover {
    color: var(--gray-700);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ============================
   NAVBAR GLOBAL
   ============================ */

.navbar {
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    gap: var(--spacing-sm);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--gray-500);
    object-fit: cover;
}

.site-name {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    color: var(--black);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.3px;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    transition: all var(--trans-normal);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--black);
    transition: width var(--trans-normal);
}

.nav-links a:hover {
    color: var(--gray-600);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-hamburger {
    display: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--black);
    padding: var(--spacing-xs);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* === CARRINHO === */
.cart-icon {
    position: relative;
}

.cart-icon a {
    color: var(--black);
    font-size: 1.3rem;
    transition: all var(--trans-normal);
}

.cart-icon a:hover {
    color: var(--gray-600);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--black);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

/* === BOTÕES AUTH === */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-login,
.btn-register {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--trans-normal);
    text-decoration: none;
    border: 2px solid var(--black);
}

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

.btn-login:hover {
    background: var(--gray-100);
}

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

.btn-register:hover {
    background: var(--gray-800);
}

/* === USER MENU === */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-md);
    background: var(--gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 600;
    color: var(--black);
    font-size: 0.9rem;
}

.btn-logout {
    padding: 0.6rem 1.2rem;
    background: var(--gray-200);
    color: var(--black);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--trans-normal);
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-logout:hover {
    background: var(--gray-300);
    border-color: var(--gray-400);
}

/* === RESPONSIVIDADE NAVBAR === */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: var(--spacing-md);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a::after {
        display: none;
    }

    .menu-hamburger {
        display: block;
    }

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

    .auth-buttons {
        flex-wrap: wrap;
    }
}

@media (max-width: 1200px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: var(--spacing-md);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a::after {
        display: none;
    }

    .menu-hamburger {
        display: block;
    }

    .navbar {
        padding: var(--spacing-sm) var(--page-gutter);
    }

    .auth-buttons {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .site-name {
        font-size: 1.1rem;
    }

    .btn-login,
    .btn-register,
    .btn-logout {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }

    .user-name {
        display: none;
    }
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

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

/* === SECTION HEADER (Global) === */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--black);
    font-weight: 700;
}

.ver-mais {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--trans-normal);
}

.ver-mais:hover {
    color: var(--black);
}

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

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

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