/*
 * Arquivo CSS separado para manter o código HTML limpo.
 * Os estilos abaixo replicam o visual profissional do arquivo original,
 * com novas adições para Modo Escuro, barras de progresso e tooltips.
 */

/* Variáveis CSS para cores do tema claro */
:root {
    --bg-color: #f9fafb;
    --text-color: #1f2937;
    --header-bg: #1e3a8a;
    --header-text: #ffffff;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --heading-color: #111827;
    --border-color: #3b82f6;
    --skill-bg: #f3f4f6;
    --skill-text: #1d4ed8;
    --footer-bg: #1f2937;
    --footer-text: #ffffff;
    --progress-bg: #e5e7eb;
    --progress-fill: #3b82f6;
    --description-text: #4b5563;
}

/* Variáveis CSS para cores do tema escuro */
.dark-mode {
    --bg-color: #111827;
    --text-color: #d1d5db;
    --header-bg: #1f2937;
    --header-text: #f9fafb;
    --card-bg: #1f2937;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --heading-color: #d1d5db;
    --border-color: #60a5fa;
    --skill-bg: #374151;
    --skill-text: #93c5fd;
    --footer-bg: #111827;
    --footer-text: #d1d5db;
    --progress-bg: #4b5563;
    --progress-fill: #60a5fa;
    --description-text: #d1d5db;
}

/* Estilos globais */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.5s ease;
}

/* Estilos do cabeçalho */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    position: relative;
    text-align: center;
}

header h1 {
    font-size: 2.25rem;
    line-height: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
    text-align: center;
}

header p {
    font-size: 1rem;
    line-height: 1.75rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Menu de opções discretas */
.menu-container {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 10;
}

.menu-toggle {
    background-color: transparent;
    border: 2px solid var(--header-text);
    color: var(--header-text);
    font-size: 1.5rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.menu-toggle:hover {
    background-color: var(--header-text);
    color: var(--header-bg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
    padding: 0.5rem;
    min-width: 120px;
    
    /* Nova abordagem: esconder com opacidade e transform */
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: visibility 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

.dropdown-menu.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.theme-toggle {
    width: 100%;
    background-color: transparent;
    border: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--skill-bg);
}

/* Estilos do conteúdo principal */
main {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
    /* Transições e estados iniciais para a animação */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.card h2 {
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 700;
    color: var(--heading-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.card p {
    font-size: 1.125rem;
    line-height: 1.75rem;
}

/* Estilos das categorias de habilidades */
.skill-category {
    margin-bottom: 2rem;
}

.skill-category h3 {
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.skill-category ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-category li {
    background-color: var(--skill-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    line-height: 1.5;
    position: relative;
    transition: background-color 0.3s ease;
}

.skill-category li:hover {
    background-color: #e2e8f0;
}

.dark-mode .skill-category li:hover {
    background-color: #374151;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.skill-category li .skill-name {
    font-weight: 500;
    color: var(--skill-text);
    flex-grow: 1;
}

.skill-description {
    font-size: 0.875rem;
    color: var(--description-text);
    padding-left: 2.25rem;
}

/* Estilos da barra de progresso */
.progress-bar-container {
    background-color: var(--progress-bg);
    height: 10px;
    width: 200px;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--progress-fill);
    width: 0;
    transition: width 1s ease-out;
}

/* Estilos do rodapé */
footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 1.5rem;
}

footer div {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.875rem;
    opacity: 0.8;
}

footer a {
    color: var(--footer-text);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsividade */
@media (max-width: 640px) {
    header h1 {
        font-size: 2rem;
    }

    .menu-container {
        bottom: 1rem;
        left: 1rem;
    }
}