:root {
    --bg-app: #0b0f19;
    --bg-card: #111827;
    --bg-card-subtle: #1f2937;
    --border-card: #1f293d;
    --accent: #ff9900;
    --accent-hover: #ffad33;
    --accent-bg-subtle: rgba(255, 153, 0, 0.1);
    --accent-border-subtle: rgba(255, 153, 0, 0.25);
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --badge-bg: #1e293b;
    --badge-color: #38bdf8;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-toggle: 0 4px 16px rgba(0, 0, 0, 0.4);
    --radius-lg: 16px;
    --radius-sm: 8px;
}

[data-theme="light"] {
    --bg-app: #f4f6f9;
    --bg-card: #ffffff;
    --bg-card-subtle: #f8fafc;
    --border-card: #e2e8f0;
    --accent: #e65100;
    --accent-hover: #bf360c;
    --accent-bg-subtle: rgba(230, 81, 0, 0.08);
    --accent-border-subtle: rgba(230, 81, 0, 0.25);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --badge-bg: #e0f2fe;
    --badge-color: #0284c7;
    --shadow-card: 0 6px 20px rgba(0, 0, 0, 0.05);
    --shadow-toggle: 0 4px 14px rgba(0, 0, 0, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button Flutuante */
.theme-toggle-btn {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-card);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: var(--shadow-toggle);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s ease,
                background-color 0.3s ease,
                color 0.3s ease,
                box-shadow 0.25s ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.08) rotate(12deg);
    border-color: var(--accent);
    color: var(--accent);
}

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

.theme-icon-sun,
.theme-icon-moon {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* No Dark Mode exibe o ícone de sol (para alternar para Claro) */
:root:not([data-theme="light"]) .theme-icon-sun,
[data-theme="dark"] .theme-icon-sun {
    display: inline-block;
    color: #fbbf24;
}

:root:not([data-theme="light"]) .theme-icon-moon,
[data-theme="dark"] .theme-icon-moon {
    display: none;
}

/* No Light Mode exibe o ícone de lua (para alternar para Escuro) */
[data-theme="light"] .theme-icon-sun {
    display: none;
}

[data-theme="light"] .theme-icon-moon {
    display: inline-block;
    color: #4f46e5;
}

/* Layout Grid Duas Colunas (Dashboard Web) */
.app-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    gap: 2rem;
    padding: 2rem;
}

/* Sidebar Fixa / Estilizada */
.sidebar {
    position: sticky;
    top: 2rem;
    height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    overflow-y: auto;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
    background: var(--bg-card-subtle);
    border-radius: 4px;
}

.avatar-badge {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), #e65100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(230, 81, 0, 0.3);
}

.profile-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.profile-header .role {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.profile-header .bio {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.contact-card {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-card);
    padding: 1rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.contact-item:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-card);
}

.social-links a {
    color: var(--text-primary);
    font-size: 1.25rem;
    transition: transform 0.2s, color 0.2s;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.sidebar-section h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--accent-bg-subtle);
    border: 1px solid var(--accent-border-subtle);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.cert-icon {
    font-size: 1.8rem;
    color: var(--accent);
}

.cert-item strong {
    font-size: 0.85rem;
    display: block;
    color: var(--text-primary);
}

.cert-item small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.languages-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.edu-item strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.edu-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sidebar-footer {
    margin-top: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-card);
}

/* Área de Conteúdo Principal */
.content-feed {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.card-title i {
    color: var(--accent);
}

/* Stacks e Tags */
.stack-group {
    margin-bottom: 1.25rem;
}

.stack-group:last-child {
    margin-bottom: 0;
}

.group-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 600;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-cloud span {
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-card);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.tag-cloud.highlight span {
    border-color: var(--accent-border-subtle);
    color: var(--accent);
    background: var(--accent-bg-subtle);
    font-weight: 500;
}

/* Timeline de Experiências */
.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.timeline-block {
    position: relative;
    padding-left: 1.25rem;
    border-left: 2px solid var(--border-card);
    transition: border-color 0.2s ease;
}

.timeline-block:hover {
    border-left-color: var(--accent);
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.block-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.block-header .company {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.period {
    font-size: 0.75rem;
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-card);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.badge-active {
    background: var(--accent-bg-subtle);
    color: var(--accent);
    border: 1px solid var(--accent-border-subtle);
}

.bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bullet-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1rem;
}

.bullet-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Grid de Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.project-box {
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.2s, transform 0.2s, background-color 0.3s ease;
}

.project-box:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.project-top h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.project-tag {
    font-size: 0.7rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--badge-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.project-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-techs code {
    background: var(--bg-app);
    border: 1px solid var(--border-card);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Responsividade Mobile/Tablet */
@media (max-width: 960px) {
    .app-layout {
        grid-template-columns: 1fr;
        padding: 1rem;
        padding-top: 4.5rem; /* Espaço para o botão toggle no topo */
    }

    .theme-toggle-btn {
        top: 1rem;
        right: 1rem;
    }

    .sidebar {
        position: relative;
        top: 0;
        height: auto;
    }

    .block-header {
        flex-direction: column;
        align-items: flex-start;
    }
}