/* ========================================
   NAVBAR / MENU STYLES
   ======================================== */

:root {
    /* Layout */
    --nav-width-desktop: 300px;
    --nav-padding-desktop: 40px;
}
/* Container do Layout */
.container {
    display: block;
}

/* Mobile Menu Toggle Button */
.mobile-nav-toggle {
    display: block;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: transparent;
    border: 0;
    cursor: pointer;
    width: 30px;
    height: 30px;
}

.hamburger-icon {
    position: relative;
    width: 30px;
    height: 3px;
    background: var(--text-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

    .hamburger-icon::before,
    .hamburger-icon::after {
        content: '';
        position: absolute;
        width: 30px;
        height: 3px;
        background: var(--text-color);
        border-radius: 5px;
        left: 0;
        transition: all 0.3s ease;
    }

    .hamburger-icon::before {
        top: -8px;
    }

    .hamburger-icon::after {
        bottom: -8px;
    }

/* Animação do 'X' do hamburger */
.mobile-nav-toggle[aria-expanded="true"] .hamburger-icon {
    background: transparent;
}

    .mobile-nav-toggle[aria-expanded="true"] .hamburger-icon::before {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-nav-toggle[aria-expanded="true"] .hamburger-icon::after {
        transform: rotate(-45deg) translate(5px, -5px);
    }

/* Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

    .sidebar-nav[data-visible="true"] {
        right: 0;
    }

    /* Container interno do menu para o blur e background */
    .sidebar-nav .nav-blur-bg {
        background: rgba(10, 10, 10, 0.812);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        height: 100%;
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 80px 30px 40px;
        border-left: 1px solid rgba(255,255,255,0.1);
    }

    .sidebar-nav .nav-logo {
        font-family: var(--font-heading);
        font-size: 2rem;
        color: var(--primary-color);
        text-align: center;
        margin-bottom: 2rem;
    }

    .sidebar-nav .nav-links {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

        .sidebar-nav .nav-links a {
            color: var(--text-color);
            font-family: var(--font-heading);
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }

            .sidebar-nav .nav-links a:hover {
                color: var(--primary-color);
            }

    .sidebar-nav .nav-footer {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

.nav-button {
    text-align: center;
    padding: 0.75rem;
    border-radius: 6px;
    font-family: var(--font-heading);
}

    .nav-button.login {
        background: var(--bg-color);
        color: var(--text-color);
    }

    .nav-button.signup {
        background: var(--primary-color);
        color: #FFF;
    }

/* Acessibilidade: Helper para leitores de tela */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sidebar-nav {

    &::-webkit-scrollbar {
        display: none;
        width: 0 !important;
        height: 0 !important;
    }
}

/* ========================================
   DESKTOP STYLES
   ======================================== */

@media (min-width: 1024px) {

    .container {
        display: flex;
    }

    /* Esconde o menu hamburger */
    .mobile-nav-toggle {
        display: none;
    }

    /* Menu lateral flutuante no meio */
    .sidebar-nav {
        position: fixed;
        left: var(--nav-padding-desktop);
        top: 50%;
        transform: translateY(-50%);
        right: auto;
        width: var(--nav-width-desktop);
        height: auto;
        max-height: 90vh;
        border-right: none;
        z-index: 999;
        min-width: 300px;
        border-radius: 40px;
        padding: 0;
        overflow-y: auto;
        transition: none;
    }

        /* O fundo com blur do menu lateral flutuante */
        .sidebar-nav .nav-blur-bg {
            border-radius: 30px;
            padding: 60px 40px;
            border: 1px solid rgba(255,255,255,0.15);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            background-color: rgba(0, 0, 0, 0.558);
            backdrop-filter: blur(30px);
            transition: .4s;
        }

        .sidebar-nav.transparent .nav-blur-bg {
            backdrop-filter: blur(0px);
            background-color: transparent;
        }

        .sidebar-nav:hover .nav-blur-bg {
            background-color: rgba(0, 0, 0, 0.558);
            backdrop-filter: blur(30px);
        }

        .sidebar-nav .nav-logo {
            margin-bottom: 2rem;
        }

        .sidebar-nav .nav-links {
            gap: 1.2rem;
            margin-bottom: 2rem;
        }

            .sidebar-nav .nav-links a {
                font-size: 1.1rem;
            }
}

/* ========================================
   LANGUAGE SELECTOR
   ======================================== */

.language-selector {
    position: relative;
    margin-bottom: 1rem;
    width: 100%;
}

.language-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--text-color);
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.language-button:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.current-language-flag {
    font-size: 1.25rem;
}

.current-language-text {
    flex: 1;
    text-align: left;
}

.language-button i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.language-button:hover i {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 0.5rem;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.language-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.language-option.active {
    background: rgba(255, 255, 255, 0.15);
    font-weight: 600;
}

.language-flag {
    font-size: 1.25rem;
}