/* ===== NAVBAR DROPDOWN STYLES - MOBILE OPTIMIZED ===== */

/* === Toggle com seta personalizada === */
.navbar .dropdown-toggle {
    position: relative;
    padding-right: 2rem !important;
    /* Melhorar área de toque em mobile */
    min-height: 44px;
    display: flex;
    align-items: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar .dropdown-toggle::after {
    display: none !important; /* Remove ícone padrão do Bootstrap */
}

/* Seta customizada - sobrescreve qualquer ::before do nav-link */
.navbar .dropdown-toggle::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    right: 0.75rem !important;
    transform: translateY(-50%) !important;
    width: 14px !important;
    height: 14px !important;
    background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6.75 9.75L12 15L17.25 9.75' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 10 !important;
    /* Resetar propriedades que podem vir do nav-link */
    left: auto !important;
    bottom: auto !important;
    border: none !important;
    border-radius: 0 !important;
}

/* Estados de interação para touch */
.navbar .dropdown-toggle.touching {
    background-color: rgba(0, 247, 255, 0.1);
    transform: scale(0.98);
}

/* Hover da seta - muda cor para azul (apenas desktop) */
@media (hover: hover) {
    .navbar .dropdown-toggle:hover::before {
        background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6.75 9.75L12 15L17.25 9.75' stroke='%2300f7ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain !important;
    }
}

/* Rotação quando aberto */
.navbar .dropdown-toggle[aria-expanded="true"]::before {
    transform: translateY(-50%) rotate(180deg) !important;
    background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6.75 9.75L12 15L17.25 9.75' stroke='%2300f7ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain !important;
}

/* Hover quando aberto - apenas desktop */
@media (hover: hover) {
    .navbar .dropdown-toggle[aria-expanded="true"]:hover::before {
        background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6.75 9.75L12 15L17.25 9.75' stroke='%2300f7ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain !important;
    }
}

/* === Dropdown Menu - Mobile === */
.navbar .dropdown-menu {
    background: linear-gradient(145deg, 
        rgba(10, 11, 30, 0.98) 0%, 
        rgba(15, 20, 45, 0.95) 50%, 
        rgba(8, 15, 35, 0.98) 100%);
    border: 1px solid rgba(0, 247, 255, 0.15);
    border-radius: 12px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.6),
        0 4px 16px rgba(0, 247, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    margin-top: 0.5rem;
    padding: 0.75rem 0;
    width: calc(100% - 1rem);
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    position: static;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition:
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-10px) scale(0.98);
    /* Melhorar comportamento em mobile */
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.navbar .dropdown-menu.show {
    opacity: 1;
    max-height: var(--calculated-height, min(60vh, 300px));
    transform: translateY(0) scale(1);
    overflow-y: auto;
}

/* === Dropdown Items === */
.navbar .dropdown-item {
    display: block;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--tech-light, #e0fbfc);
    text-align: left;
    border-left: 3px solid transparent;
    background: transparent;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    margin: 0.25rem 0.75rem;
    /* Melhorar área de toque */
    min-height: 44px;
    display: flex;
    align-items: center;
    /* Remover outline padrão e adicionar focus visível */
    outline: none;
    text-decoration: none;
}

/* Focus visível para acessibilidade */
.navbar .dropdown-item:focus {
    outline: 2px solid var(--tech-blue, #00f7ff);
    outline-offset: 2px;
}

/* Efeito de brilho sutil no item */
.navbar .dropdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 247, 255, 0.05) 0%, 
        transparent 50%, 
        rgba(255, 7, 58, 0.05) 100%);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* Estados de interação - separar hover de touch */
@media (hover: hover) {
    .navbar .dropdown-item:hover {
        color: var(--tech-blue, #00f7ff);
        background: linear-gradient(135deg, 
            rgba(0, 247, 255, 0.15) 0%, 
            rgba(0, 247, 255, 0.08) 50%, 
            rgba(255, 7, 58, 0.08) 100%);
        border-left-color: var(--tech-blue, #00f7ff);
        text-decoration: none;
        transform: translateX(8px) scale(1.02);
        box-shadow: 
            0 4px 16px rgba(0, 247, 255, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    .navbar .dropdown-item:hover::before {
        opacity: 1;
    }
}

/* Estados para dispositivos touch */
@media (hover: none) {
    .navbar .dropdown-item:active {
        color: var(--tech-blue, #00f7ff);
        background: linear-gradient(135deg, 
            rgba(0, 247, 255, 0.15) 0%, 
            rgba(0, 247, 255, 0.08) 50%, 
            rgba(255, 7, 58, 0.08) 100%);
        border-left-color: var(--tech-blue, #00f7ff);
        text-decoration: none;
        transform: translateX(4px) scale(1.01);
    }
}

/* Estado focus para todos os dispositivos */
.navbar .dropdown-item:focus {
    color: var(--tech-blue, #00f7ff);
    background: linear-gradient(135deg, 
        rgba(0, 247, 255, 0.15) 0%, 
        rgba(0, 247, 255, 0.08) 50%, 
        rgba(255, 7, 58, 0.08) 100%);
    border-left-color: var(--tech-blue, #00f7ff);
    text-decoration: none;
}

.navbar .dropdown-item:focus::before {
    opacity: 1;
}

/* Estado active geral */
.navbar .dropdown-item:active {
    background: linear-gradient(135deg, 
        rgba(0, 247, 255, 0.25) 0%, 
        rgba(0, 247, 255, 0.15) 50%, 
        rgba(255, 7, 58, 0.15) 100%);
    color: var(--tech-blue, #00f7ff);
    transform: translateX(6px) scale(1.01);
}

/* Hover do toggle - apenas desktop */
@media (hover: hover) {
    .navbar .dropdown-toggle:hover {
        color: var(--tech-blue, #00f7ff) !important;
    }
}

/* === Scrollbar personalizada === */
.navbar .dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.navbar .dropdown-menu::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.navbar .dropdown-menu::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, 
        rgba(0, 247, 255, 0.6) 0%, 
        rgba(255, 7, 58, 0.6) 100%);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.navbar .dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, 
        rgba(0, 247, 255, 0.8) 0%, 
        rgba(255, 7, 58, 0.8) 100%);
}

/* === Separador sutil entre itens (mobile) === */
.navbar .dropdown-item:not(:last-child) {
    border-bottom: 1px solid transparent;
    background-image: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 247, 255, 0.15) 20%, 
        rgba(0, 247, 255, 0.25) 50%, 
        rgba(0, 247, 255, 0.15) 80%, 
        transparent 100%);
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: calc(100% - 3rem) 1px;
}

@media (hover: hover) {
    .navbar .dropdown-item:hover:not(:last-child) {
        background-image: none;
    }
}

/* ===== DESKTOP STYLES (≥ 992px) ===== */
@media (min-width: 992px) {
    .navbar .dropdown-toggle::before {
        right: 0.5rem !important;
        width: 16px !important;
        height: 16px !important;
    }

    .navbar .dropdown-menu {
        position: absolute;
        margin-top: 0.75rem;
        min-width: 280px;
        padding: 1rem 0;
        background: linear-gradient(145deg, 
            rgba(10, 11, 30, 0.98) 0%, 
            rgba(15, 20, 45, 0.96) 30%, 
            rgba(20, 25, 50, 0.94) 70%, 
            rgba(8, 15, 35, 0.98) 100%);
        border: 1px solid rgba(0, 247, 255, 0.25);
        border-radius: 16px;
        box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.7),
            0 8px 32px rgba(0, 247, 255, 0.15),
            0 4px 16px rgba(255, 7, 58, 0.08),
            inset 0 1px 0 rgba(255, 255, 255, 0.15),
            inset 0 -1px 0 rgba(0, 247, 255, 0.1);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        opacity: 0;
        transform: translateY(-15px) scale(0.92);
        max-height: min(80vh, 400px);
        overflow-y: auto;
        overflow-x: hidden;
        pointer-events: none;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition:
            opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
            transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
            clip-path 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .navbar .dropdown-menu.show {
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: auto;
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .navbar .dropdown-item {
        padding: 1rem 1.75rem;
        font-size: 1rem;
        border-left: none;
        margin: 0.25rem 0.75rem;
        border-radius: 10px;
        position: relative;
        font-weight: 500;
        letter-spacing: 0.02em;
    }

    /* Efeito de brilho para desktop */
    .navbar .dropdown-item::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, 
            rgba(0, 247, 255, 0.08) 0%, 
            transparent 40%, 
            transparent 60%, 
            rgba(255, 7, 58, 0.08) 100%);
        border-radius: 10px;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
    }

    @media (hover: hover) {
        .navbar .dropdown-item:hover,
        .navbar .dropdown-item:focus {
            background: linear-gradient(135deg, 
                rgba(0, 247, 255, 0.18) 0%, 
                rgba(0, 247, 255, 0.12) 30%, 
                rgba(255, 7, 58, 0.08) 70%, 
                rgba(255, 7, 58, 0.12) 100%);
            transform: translateX(8px) scale(1.03);
            box-shadow: 
                0 8px 24px rgba(0, 247, 255, 0.25),
                0 4px 12px rgba(255, 7, 58, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .navbar .dropdown-item:hover::after,
        .navbar .dropdown-item:focus::after {
            opacity: 1;
        }
    }

    .navbar .dropdown-item:active {
        background: linear-gradient(135deg, 
            rgba(0, 247, 255, 0.3) 0%, 
            rgba(0, 247, 255, 0.2) 30%, 
            rgba(255, 7, 58, 0.15) 70%, 
            rgba(255, 7, 58, 0.25) 100%);
        transform: translateX(6px) scale(1.02);
    }

    /* === Separador sutil entre itens (desktop) === */
    .navbar .dropdown-item:not(:last-child) {
        background-image: linear-gradient(90deg, 
            transparent 0%, 
            rgba(0, 247, 255, 0.12) 25%, 
            rgba(0, 247, 255, 0.2) 50%, 
            rgba(0, 247, 255, 0.12) 75%, 
            transparent 100%);
        background-repeat: no-repeat;
        background-position: bottom;
        background-size: calc(100% - 3.5rem) 1px;
    }

    @media (hover: hover) {
        .navbar .dropdown-item:hover:not(:last-child) {
            background-image: none;
        }
    }
}

/* ===== ACCESSIBILIDADE / MOTION REDUÇÃO ===== */
@media (prefers-reduced-motion: reduce) {
    .navbar .dropdown-toggle::before,
    .navbar .dropdown-menu,
    .navbar .dropdown-item {
        transition: none !important;
        animation: none !important;
    }

    .navbar .dropdown-menu,
    .navbar .dropdown-menu.show {
        transform: none !important;
    }
}