:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-bg: #0f172a;
    --card-bg: #ffffff;
    --gemini-gradient: linear-gradient(135deg, #4285f4 0%, #9b72cb 50%, #d96570 100%);
    
    /* Light Theme */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #334155;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.05);
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --hero-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --navbar-bg: rgba(15, 23, 42, 0.95);
    --hero-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding-top: 76px; /* Para a navbar fixa */
    overflow-x: hidden;
    max-width: 100vw;
    transition: background-color 0.3s ease, color 0.3s ease, overflow 0.3s ease;
}

/* Prevenir scroll horizontal */
.row {
    margin-left: 0;
    margin-right: 0;
}

img, video, iframe {
    max-width: 100%;
    height: auto;
}

.container, .container-fluid {
    overflow-x: hidden;
}

/* Ajuste para o scroll não ficar atrás da navbar */
section {
    scroll-margin-top: 90px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

/* Navbar Glassmorphism e Mobile Fix */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 15px rgba(0,0,0,0.04);
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.theme-toggle i {
    font-size: 1.1rem;
}

/* Navbar button styling */
.navbar .btn-primary {
    transition: all 0.3s ease;
}

.navbar .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.theme-icon {
    transition: transform 0.3s ease;
}

[data-theme="dark"] .theme-icon.sun {
    display: inline-block;
}

[data-theme="dark"] .theme-icon.moon {
    display: none;
}

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

[data-theme="light"] .theme-icon.moon,
:root:not([data-theme]) .theme-icon.moon {
    display: inline-block;
}

/* Sections with bg-white */
.bg-white {
    background: var(--bg-secondary) !important;
    transition: background 0.3s ease;
}

[data-theme="dark"] .bg-white {
    background: var(--bg-primary) !important;
}

/* Mobile Menu Sidebar */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

[data-theme="dark"] .mobile-menu-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 1050;
    transition: left 0.3s ease, background 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
}

.mobile-menu-sidebar.active {
    left: 0;
}

.mobile-menu-sidebar.active .mobile-menu-item,
.mobile-menu-sidebar.active .mobile-social-link,
.mobile-menu-sidebar.active .mobile-theme-toggle-icon,
.mobile-menu-sidebar.active .mobile-menu-footer .btn-primary {
    animation: fadeInLeft 0.3s ease forwards;
}

.mobile-menu-sidebar.active .mobile-menu-item:nth-child(1) {
    animation-delay: 0.1s;
}

.mobile-menu-sidebar.active .mobile-menu-item:nth-child(2) {
    animation-delay: 0.15s;
}

.mobile-menu-sidebar.active .mobile-menu-item:nth-child(3) {
    animation-delay: 0.2s;
}

.mobile-menu-sidebar.active .mobile-menu-item:nth-child(4) {
    animation-delay: 0.25s;
}

.mobile-menu-sidebar.active .mobile-social-link:nth-child(1) {
    animation-delay: 0.3s;
}

.mobile-menu-sidebar.active .mobile-social-link:nth-child(2) {
    animation-delay: 0.35s;
}

.mobile-menu-sidebar.active .mobile-theme-toggle-icon {
    animation-delay: 0.4s;
}

.mobile-menu-sidebar.active .mobile-menu-footer .btn-primary {
    animation-delay: 0.4s;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.mobile-menu-header h5 {
    color: var(--text-primary);
    font-size: 1.25rem;
}

.mobile-menu-header small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.mobile-menu-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.mobile-menu-close:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.mobile-menu-body {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.mobile-menu-item {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    opacity: 0;
    display: flex;
    align-items: center;
}

.mobile-menu-item i {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.mobile-menu-item:hover {
    background: rgba(13, 110, 253, 0.08);
    color: var(--primary-color);
    transform: translateX(4px);
}

.mobile-menu-item:hover i {
    color: var(--primary-color);
}

.mobile-menu-social {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.mobile-social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
    opacity: 0;
    border: 1px solid var(--border-color);
}

.mobile-social-link i:first-child {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
    color: var(--primary-color);
}

.mobile-social-link .fa-arrow-right {
    font-size: 0.875rem;
    color: #cbd5e1;
    transition: all 0.2s ease;
}

.mobile-social-link:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: translateX(4px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.mobile-social-link:hover .fa-arrow-right {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* Mobile Menu Footer */
.mobile-menu-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}

/* Mobile Theme Toggle Icon */
.mobile-theme-toggle-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
}

.mobile-theme-toggle-icon:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.mobile-theme-toggle-icon i {
    font-size: 1.1rem;
}

.mobile-menu-footer .btn-primary {
    background: var(--primary-color);
    border: none;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.25);
    opacity: 0;
    transition: all 0.2s ease;
}

.mobile-menu-footer .btn-primary:hover {
    background: #0b5ed7;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.35);
    transform: translateY(-2px);
}

.mobile-menu-footer .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(13, 110, 253, 0.2);
}

/* Hide mobile menu on desktop */
@media (min-width: 992px) {
    .mobile-menu-sidebar,
    .mobile-menu-overlay {
        display: none !important;
    }
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link:visited,
.nav-link:active,
.nav-link:focus {
    color: var(--text-secondary) !important;
}

.nav-link:hover:visited,
.nav-link:hover:active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary-color);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.navbar-brand {
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
    margin-left: 1rem;
}

/* Navbar divider */
.navbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 0.5rem;
}

/* Nav icon links */
.nav-icon-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-icon-link i {
    font-size: 1.1rem;
}

.nav-icon-link:hover {
    background: var(--bg-primary);
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.nav-icon-link:visited,
.nav-icon-link:active,
.nav-icon-link:focus {
    color: var(--text-secondary) !important;
}

.nav-icon-link:hover:visited {
    color: var(--primary-color) !important;
}

/* Hero Section */
#hero {
    background: var(--hero-gradient);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    scroll-margin-top: 1000px; /* Hero doesn't need margin usually */
    transition: background 0.3s ease;
}

/* Hero buttons responsive */
@media (max-width: 575px) {
    #hero .btn-lg {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
}

.cwi-badge {
    background-color: #e0f7fa;
    color: #006064;
    border: 1px solid #b2ebf2;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

/* Cards Gerais */
.custom-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.custom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Tech Cards com Overlay */
.tech-card {
    position: relative;
    text-align: center;
    padding: 15px;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    height: 120px; /* Altura fixa para consistência */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    cursor: default;
}

.tech-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    transition: transform 0.3s;
}

.tech-name {
    font-weight: 600;
    margin: 0;
    transition: opacity 0.3s;
}

/* Overlay de descrição */
.tech-overlay {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    transition: top 0.3s ease-in-out, background 0.3s ease;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-desc {
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.4;
    font-weight: 500;
}

.tech-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.tech-card:hover .tech-overlay {
    top: 0;
}

/* Estilo específico para cards CWI (Apagados por padrão) */
.tech-card-dimmed {
    filter: grayscale(100%);
    opacity: 0.6;
    background: var(--bg-primary);
}

.tech-card-dimmed:hover {
    filter: grayscale(0%);
    opacity: 1;
    background: rgba(13, 110, 253, 0.05);
    border-color: var(--primary-color);
}

[data-theme="dark"] .tech-card-dimmed {
    background: var(--bg-primary);
    opacity: 0.5;
}

[data-theme="dark"] .tech-card-dimmed:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Sections Dividers */
.section-divider {
    position: relative;
    text-align: center;
    margin: 40px 0;
}
.section-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
    z-index: 0;
}
.section-divider span {
    background: var(--bg-primary);
    padding: 0 15px;
    position: relative;
    z-index: 1;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: background 0.3s ease, color 0.3s ease;
}

/* SGE Project Section */
#sge-feature {
    background-color: #1e293b;
    color: white;
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

[data-theme="dark"] #sge-feature {
    background-color: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#sge-feature .badge {
    background-color: rgba(13, 110, 253, 0.2) !important;
    color: #60a5fa !important;
    border-color: rgba(96, 165, 250, 0.4) !important;
    font-weight: 600;
    padding: 8px 16px;
}

.code-window {
    background: #0f172a;
    border-radius: 8px;
    border: 1px solid #334155;
    font-family: 'Courier New', Courier, monospace;
    padding: 0;
    overflow: hidden;
}

.code-window > div:last-child {
    max-height: 300px;
    overflow-y: auto;
    overflow-x: scroll;
    scrollbar-width: thin;
    scrollbar-color: #475569 #1e293b;
    position: relative;
}

.code-window > div:last-child pre {
    min-width: calc(100% + 1px);
    width: max-content;
    padding-right: 1px;
}

.code-window > div:last-child::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background: #1e293b;
}

.code-window > div:last-child::-webkit-scrollbar:horizontal {
    height: 8px;
    background: #1e293b;
}

.code-window > div:last-child::-webkit-scrollbar-track {
    background: #1e293b !important;
    border-radius: 4px;
}

.code-window > div:last-child::-webkit-scrollbar-track:horizontal {
    background: #1e293b !important;
}

.code-window > div:last-child::-webkit-scrollbar-thumb {
    background: #475569 !important;
    border-radius: 4px;
}

.code-window > div:last-child::-webkit-scrollbar-thumb:horizontal {
    background: #475569 !important;
    border-radius: 4px;
}

.code-window > div:last-child::-webkit-scrollbar-thumb:hover {
    background: #64748b !important;
}

.code-window > div:last-child::-webkit-scrollbar-thumb:horizontal:hover {
    background: #64748b !important;
}

.code-window > div:last-child::-webkit-scrollbar-corner {
    background: #1e293b !important;
}

.code-header {
    background: #1e293b;
    padding: 8px 12px;
    border-bottom: 1px solid #334155;
    display: flex;
    gap: 6px;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ef4444; }
.yellow { background: #eab308; }
.green { background: #22c55e; }

/* Timeline Experience */
.timeline-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 40px;
    border-left: 2px solid #e2e8f0;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid white;
}

/* Info cards in Sobre section */
.info-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.info-card h6,
.info-card small {
    color: var(--text-primary);
}

.info-card-hover {
    cursor: pointer;
}

.info-card-hover:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Highlight card */
.info-highlight-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.highlight-divider {
    border-left: 1px solid var(--border-color);
    padding-left: 0;
}

.highlight-divider-top {
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
}

/* Interactive Elements */
.cursor-pointer {
    cursor: pointer;
}

.gemini-badge {
    background: var(--gemini-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Footer */
footer {
    background-color: #0f172a;
    color: #94a3b8;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
}

footer a:hover {
    color: white;
}

/* Text utilities dark mode */
.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.lead {
    color: var(--text-secondary) !important;
}

/* Timeline dark mode */
.timeline-item {
    border-left-color: var(--border-color) !important;
}

/* Footer dark mode */
footer {
    background-color: var(--bg-secondary) !important;
    transition: background-color 0.3s ease;
}

[data-theme="dark"] footer {
    background-color: #0f172a !important;
}

footer a {
    color: var(--text-secondary) !important;
}

footer a:hover {
    color: var(--text-primary) !important;
}

/* Modal dark mode */
.modal-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background 0.3s ease, color 0.3s ease;
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
    background: var(--bg-primary);
    transition: background 0.3s ease;
}

.modal-body h6,
.modal-body small,
.modal-body p {
    color: var(--text-primary);
}

.list-group-item {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background 0.3s ease, color 0.3s ease;
}

.list-group-item h6,
.list-group-item small {
    color: var(--text-primary) !important;
}

.list-group-item:hover {
    background: var(--bg-primary);
}

.list-group-item:hover h6,
.list-group-item:hover small {
    color: var(--text-primary) !important;
}

/* Form controls dark mode */
.form-control {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.form-control:focus {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.form-label {
    color: var(--text-secondary);
}

/* Badge dark mode */
.badge {
    transition: background 0.3s ease, color 0.3s ease;
}

/* Navbar toggler dark mode */
.navbar-toggler-icon {
    filter: var(--toggler-filter, none);
}

[data-theme="dark"] .navbar-toggler-icon {
    --toggler-filter: invert(1);
}

/* CWI Badge dark mode */
.cwi-badge {
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* PDF Viewer Modal */
.pdf-viewer-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Garantir que o modal fullscreen respeite o viewport */
.modal-fullscreen {
    padding: 0 !important;
    margin: 0 !important;
}

.modal-fullscreen .modal-dialog {
    max-width: 100%;
    margin: 0;
    width: 100vw;
    height: 100vh;
}

.modal-fullscreen .modal-content {
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    border-radius: 0;
    border: none;
}

.modal-fullscreen .modal-header {
    flex-shrink: 0;
    padding: 1rem 2rem;
    min-height: 60px;
}

.modal-fullscreen .modal-header .btn-close {
    margin-right: 0.5rem;
}

.modal-fullscreen .modal-body {
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 60px);
    padding: 0;
}

/* Code window já tem fundo escuro, mantém */
[data-theme="dark"] .code-window {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Hover effects for cards in dark mode */
[data-theme="dark"] .custom-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .tech-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}