/* ===================================
   Professor Vine - Professional Academic Theme
   =================================== */

/* --- Variáveis de Tema --- */
:root {
    /* Cores principais - Paleta acadêmica profissional */
    --primary-color: #1e3a5f;
    --primary-light: #2c5282;
    --accent-color: #c5a065;
    --accent-light: #d4b57a;

    /* Cores de fundo e texto */
    --bg-color: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-color: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;

    /* Links e botões */
    --link-color: #2c5282;
    --link-hover: #1e3a5f;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);

    /* Tipografia */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    --line-height: 1.8;

    /* Transições */
    --transition: all 0.25s ease;
}

/* Dark mode */
[data-theme="dark"] {
    --bg-color: #0f1419;
    --bg-secondary: #1a1f29;
    --text-color: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #2d3748;
    --primary-color: #4a90d9;
    --primary-light: #63a3e0;
    --accent-color: #d4b57a;
    --link-color: #63b3ed;
    --link-hover: #90cdf4;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.25);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
}

/* --- Reset e Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: var(--transition);
}

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

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* --- Layout --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    transition: var(--transition);
}

.site-header h1 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.site-header .subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-family: var(--font-primary);
    font-style: italic;
}

.site-header .website-url {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* --- Navegação --- */
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.main-nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.main-nav a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
    text-decoration: none;
}

.main-nav img {
    width: 20px;
    height: 20px;
    filter: grayscale(30%);
    transition: var(--transition);
}

.main-nav a:hover img {
    filter: grayscale(0%);
}

/* --- Conteúdo Principal --- */
.main-content {
    padding: 48px 0;
}

/* --- Seção de Perfil --- */
.profile-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
}

.profile-container {
    display: flex;
    gap: 40px;
    align-items: center;
}

.profile-photo {
    flex-shrink: 0;
}

.profile-photo img {
    width: 280px;
    height: 280px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--border-color);
}

.profile-text {
    flex: 1;
}

.profile-text h2 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.profile-text p {
    margin-bottom: 16px;
    color: var(--text-color);
}

/* Citação nerd */
.quote-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.nerd-quote {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-color);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
}

.share-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.share-btn:hover {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.share-btn:active {
    transform: scale(0.95);
}

/* --- Grid de Cards --- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover img {
    transform: scale(1.02);
}

.card h2 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Seção de Áreas de Atuação --- */
.section-title {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: 24px;
    font-size: 1.6rem;
    margin-top: 48px;
}

.area-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: left;
}

.area-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.area-card h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.area-card ul {
    color: var(--text-muted);
    line-height: 2;
}

/* --- Seção de Habilidades --- */
.skills-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.skill-group h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: #fff;
}

/* --- Tabs System --- */
.tabs-container {
    margin-top: 48px;
}

.tabs-header {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    flex-wrap: wrap;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 8px 8px 0 0;
}

.tab-btn:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--bg-color);
}

.tab-icon {
    font-size: 1.2rem;
}

.tabs-content {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

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

/* --- Áreas Grid --- */
.areas-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
}

/* --- Formação Acadêmica List --- */
.formacao-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.formacao-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--accent-color);
}

.formacao-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.formacao-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.formacao-info h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.formacao-instituicao {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 4px;
}

.formacao-ano {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Lattes Link --- */
.lattes-link {
    text-align: center;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.btn-lattes {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.btn-lattes:hover {
    background: var(--primary-light);
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lattes-icon {
    font-size: 1.3rem;
}

/* --- Footer --- */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    text-align: center;
    margin-top: 48px;
}

.site-footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- Blog Styles --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

.blog-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-top: 5px solid var(--primary-color);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 12px;
}

.blog-category {
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.blog-card h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: 16px;
}

.blog-excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    max-width: 450px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal-large {
    max-width: 800px;
}

.modal h3 {
    margin-bottom: 24px;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-cancel {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
}

/* --- Botão Dark Mode --- */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

/* Botão Admin discreto */
#admin-login-link {
    transition: var(--transition);
}
#admin-login-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    .site-header h1 {
        font-size: 2rem;
    }

    .profile-container {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .profile-photo img {
        width: 200px;
        height: 200px;
    }

    .main-nav ul {
        gap: 4px;
    }

    .main-nav a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .profile-section {
        padding: 24px;
    }

    .tabs-header {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        justify-content: center;
        border-bottom: 2px solid transparent;
        border-left: 3px solid transparent;
        margin-bottom: 0;
        border-radius: 6px;
    }

    .tab-btn.active {
        border-left-color: var(--primary-color);
        border-bottom-color: transparent;
    }

    .formacao-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .site-header {
        padding: 24px 0;
    }

    .site-header h1 {
        font-size: 1.6rem;
    }

    .profile-photo img {
        width: 160px;
        height: 160px;
    }

    .theme-toggle {
        top: 12px;
        right: 12px;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}