/* ============================================
           VARIÁVEIS E ESTILOS BASE
           ============================================ */
        :root {
            --color-primary: #00f0ff;
            --color-secondary: #ff00ff;
            --color-accent: #00ff88;
            --color-danger: #ff3366;
            --color-warning: #ffaa00;
            --color-edit: #ffcc00;

            --bg-primary: #0a0a1a;
            --bg-secondary: #0d0d2b;
            --bg-tertiary: #131338;
            --bg-card: rgba(13, 13, 43, 0.85);
            --bg-overlay: rgba(10, 10, 26, 0.95);
            --bg-control: rgba(13, 13, 43, 0.8);

            --text-primary: #e0e8ff;
            --text-secondary: #a0b0c0;
            --text-muted: #6b7b8b;

            --border-color: rgba(0, 240, 255, 0.2);
            --border-glow: rgba(0, 240, 255, 0.4);

            --glow-primary: 0 0 20px rgba(0, 240, 255, 0.3);
            --glow-danger: 0 0 20px rgba(255, 51, 102, 0.3);

            --font-display: 'Orbitron', sans-serif;
            --font-heading: 'Rajdhani', sans-serif;
            --font-body: 'Inter', sans-serif;

            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;

            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --radius-2xl: 2rem;

            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

            --transition-fast: 150ms ease;
            --transition-base: 300ms ease;
            --transition-slow: 500ms ease;
        }

        [data-theme="light"] {
            --bg-primary: #f0f2f5;
            --bg-secondary: #ffffff;
            --bg-tertiary: #e8eaf0;
            --bg-card: rgba(255, 255, 255, 0.9);
            --bg-overlay: rgba(255, 255, 255, 0.95);
            --bg-control: rgba(255, 255, 255, 0.9);
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a8e;
            --border-color: rgba(0, 102, 204, 0.2);
            --border-glow: rgba(0, 102, 204, 0.3);
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
            transition: background var(--transition-base), color var(--transition-base);
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

        /* Fundo animado */
        .background-layer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .grid-pattern {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(var(--border-color) 1px, transparent 1px),
                linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
            background-size: 60px 60px;
            opacity: 0.4;
        }

        .particles-container {
            position: absolute;
            inset: 0;
        }

        .particle {
            position: absolute;
            border-radius: 50%;
            animation: particleFloat linear infinite;
            opacity: 0;
        }

        @keyframes particleFloat {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }

            10% {
                opacity: 1;
            }

            90% {
                opacity: 1;
            }

            100% {
                transform: translateY(-10vh) scale(1);
                opacity: 0;
            }
        }

        /* Header */
        .header {
            position: relative;
            padding: 3rem 0 2rem;
            text-align: center;
            margin-bottom: 2rem;
        }

        .header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
        }

        .header-top-bar {
            display: flex;
            justify-content: flex-end;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .theme-toggle {
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

        .theme-toggle:hover {
            border-color: var(--color-primary);
            box-shadow: var(--glow-primary);
        }

        .owner-toggle {
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0 1.25rem;
            height: 44px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.05em;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .owner-toggle:hover {
            border-color: var(--color-warning);
            color: var(--color-warning);
            box-shadow: 0 0 20px rgba(255, 170, 0, 0.3);
        }

        .owner-toggle.active {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 255, 136, 0.1);
        }

        .header-title {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .header-subtitle {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            letter-spacing: 0.3em;
            color: var(--text-secondary);
            text-transform: uppercase;
        }

        .header-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 1.5rem;
        }

        .stat-value {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        /* Busca e filtros */
        .controls-section {
            margin-bottom: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .search-wrapper {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .search-input,
        .sort-select {
            padding: 0.875em 1.5em;
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            color: var(--text-primary);
            font-family: var(--font-body);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .search-input {
            flex: 1;
            min-width: 200px;
        }

        .sort-select {
            cursor: pointer;
            min-width: 180px;
        }

        .search-input:focus,
        .sort-select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--glow-primary);
        }

        .tech-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 0.4em 1em;
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .filter-chip:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-chip.active {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-chip input {
            display: none;
        }

        /* Grade de portfólio */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
            gap: 2rem;
            padding: 1rem;
        }

        .project-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1.5rem;
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
        }

        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-primary);
        }

        .card-image-wrapper {
            position: relative;
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: var(--bg-tertiary);
        }

        .card-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .project-card:hover .card-image {
            transform: scale(1.1);
        }

        .card-content {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

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

        .card-avatar {
            width: 48px;
            height: 48px;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.25rem;
            color: white;
            flex-shrink: 0;
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .card-description {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .tech-badge {
            padding: 0.35em 0.85em;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--color-primary);
        }

        .card-actions {
            display: flex;
            gap: 0.5rem;
            margin-top: auto;
            flex-wrap: wrap;
        }

        /* Botões */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75em 1.5em;
            border: 1px solid var(--color-primary);
            border-radius: 50px;
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            text-decoration: none;
            color: var(--color-primary);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--glow-primary);
        }

        .btn--primary {
            background: rgba(0, 240, 255, 0.15);
            flex: 1;
        }

        .btn--danger {
            border-color: var(--color-danger);
            color: var(--color-danger);
        }

        .btn--danger:hover {
            background: rgba(255, 51, 102, 0.15);
        }

        .btn--edit {
            border-color: var(--color-edit);
            color: var(--color-edit);
        }

        .btn--edit:hover {
            background: rgba(255, 204, 0, 0.15);
            box-shadow: 0 0 20px rgba(255, 204, 0, 0.3);
        }

        .btn--add {
            padding: 1.25em 3em;
            font-size: 1.1rem;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(255, 0, 255, 0.2));
            border: 2px solid var(--color-primary);
            letter-spacing: 0.15em;
            margin: 0 auto;
            display: flex;
        }

        .btn--add:hover {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(255, 0, 255, 0.3));
            transform: translateY(-3px);
        }

        .add-section {
            text-align: center;
            padding: 2rem 0;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.85);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: var(--bg-overlay);
            border: 1px solid var(--border-glow);
            border-radius: 2rem;
            padding: 2.5rem;
            width: 100%;
            max-width: 560px;
            position: relative;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: var(--bg-tertiary);
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .modal-close:hover {
            border-color: var(--color-danger);
            color: var(--color-danger);
        }

        .modal-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: var(--color-primary);
            text-align: center;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.875rem;
            letter-spacing: 0.1em;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 0.875em 1.125em;
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            color: var(--text-primary);
            font-family: var(--font-body);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--glow-primary);
        }

        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-actions {
            display: flex;
            gap: 1rem;
            justify-content: flex-end;
            margin-top: 2rem;
        }

        /* Notificações */
        .notification {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--bg-overlay);
            border: 1px solid var(--color-accent);
            border-radius: 1rem;
            padding: 1rem 1.5rem;
            color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            z-index: 2000;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: slideInRight 0.3s ease;
        }

        .notification--error {
            border-color: var(--color-danger);
            color: var(--color-danger);
        }

        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }

            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        /* Estado vazio */
        .empty-state {
            text-align: center;
            padding: 3rem;
            grid-column: 1 / -1;
        }

        .empty-state-icon {
            font-size: 5rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        .empty-state-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--text-secondary);
        }

        .empty-state-text {
            color: var(--text-muted);
            max-width: 400px;
            margin: 0.5rem auto 0;
        }

        /* Importar GitHub */
        .github-section {
            margin: 2rem 0;
            padding: 2rem;
            border: 1px dashed var(--border-color);
            border-radius: 1.5rem;
            text-align: center;
        }

        .github-form {
            display: flex;
            gap: 0.5rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .github-input {
            padding: 0.875em 1.5em;
            background: var(--bg-control);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            color: var(--text-primary);
            font-size: 0.95rem;
            min-width: 200px;
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 3rem 0;
            margin-top: 3rem;
            border-top: 1px solid var(--border-color);
        }

        .footer-text {
            font-family: var(--font-display);
            font-size: 0.875rem;
            letter-spacing: 0.2em;
            color: var(--text-secondary);
            text-transform: uppercase;
        }

        /* Responsividade */
        @media (max-width: 768px) {
            .portfolio-grid {
                grid-template-columns: 1fr;
            }

            .card-actions {
                flex-direction: column;
            }

            .search-wrapper {
                flex-direction: column;
            }

            .header-stats {
                flex-direction: column;
                gap: 1rem;
            }

            .modal-content {
                padding: 1.5rem;
            }
            
        }
        .password-wrapper {
                position: relative;
                width: 100%;
            }

        .password-wrapper .form-input {
                padding-right: 3rem; /* espaço para o botão */
            }

        .password-toggle {
                position: absolute;
                right: 0.75rem;
                top: 50%;
                transform: translateY(-50%);
                background: none;
                border: none;
                font-size: 1.2rem;
                cursor: pointer;
                color: var(--text-muted);
                transition: color var(--transition-fast);
                padding: 0.25rem;
            }

        .password-toggle:hover {
                color: var(--color-primary);
            }
        #changePasswordBtn {
                border-color: var(--color-secondary);
                color: var(--color-secondary);
            }

        #changePasswordBtn:hover {
                background: rgba(255, 0, 255, 0.1);
                box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
            }