:root {
            /* MODO CLARO */
            --bg-dark: #f4f4f5; 
            --bg-panel: #ffffff; 
            --bg-card: #f8fafc; 
            --text-main: #27272a; 
            --text-sec: #71717a; 
            --border: #e4e4e7; 
            
            --primary: #3b82f6;
            --primary-hover: #2563eb;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --info: #0ea5e9;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        [data-theme="dark"] {
            /* MODO ESCURO */
            --bg-dark: #121214; 
            --bg-panel: #18181b; 
            --bg-card: #27272a; 
            --text-main: #f4f4f5; 
            --text-sec: #a1a1aa; 
            --border: #3f3f46; 
        }

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

        body, .sidebar, .eval-panel, .content-area, .file-item, .list-card, .edit-card, .search-box input, header, .modal-content, .eval-box, .stepper-control, .stepper-control button, select {
            transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }