:root {
    --primary-color: #2563eb;
    --bg-color: #f3f4f6;
    --sidebar-width: 300px;
    --border-color: #e5e7eb;
}

* { box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

body { margin: 0; padding: 0; background-color: var(--bg-color); height: 100vh; display: flex; overflow: hidden; }

/* --- Layout --- */
.main-container {
    display: flex;
    width: 100%;
    height: 100%;
}

/* Área do Canvas (Esquerda/Centro) */
.canvas-area {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.form-canvas {
    background: white;
    width: 100%;
    max-width: 800px;
    min-height: 600px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 40px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Menu Lateral Direito (Configurações) */
.sidebar {
    width: var(--sidebar-width);
    background: white;
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
}

.sidebar-header {
    padding: 15px;
    background: #f9fafb;
    border-bottom: 1px solid var(--border-color);
    font-weight: bold;
}

.sidebar-content {
    padding: 15px;
    flex: 1;
}

.section-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #6b7280;
    margin-bottom: 10px;
    margin-top: 20px;
    font-weight: bold;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}
.section-title:first-child { margin-top: 0; }

/* Menu Flutuante (Elementos) */
.floating-menu {
    position: absolute;
    left: 20px;
    top: 20px;
    width: 200px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 100;
    border: 1px solid var(--border-color);
}

.floating-menu h3 { margin-top: 0; font-size: 1rem; color: #374151; }
.floating-menu .subtitle { font-size: 0.8rem; color: #666; margin-bottom: 10px; margin-top: 0; }

.element-item {
    padding: 8px 12px;
    background: #f3f4f6;
    margin-bottom: 8px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.9rem;
    transition: all 0.2s;
    user-select: none;
}
.element-item:hover { border-color: var(--primary-color); background: #eff6ff; }
.element-item:active { transform: scale(0.98); }

/* --- Elementos do Formulário no Canvas --- */
.canvas-element {
    border: 1px dashed transparent;
    padding: 10px;
    position: relative;
    cursor: pointer;
    width: 100%;
}
.canvas-element:hover { border-color: #cbd5e1; }
.canvas-element.selected { border: 2px solid var(--primary-color); background-color: rgba(37, 99, 235, 0.05); }

.canvas-element label { display: block; font-weight: 500; margin-bottom: 5px; color: #374151; }
.canvas-element input[type="text"], 
.canvas-element select {
    width: 100%;
    padding: 8px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    pointer-events: none; /* Desabilita interação dentro do builder */
}
.canvas-element h1 { margin: 0; color: #111827; }
.canvas-element p { margin: 0; color: #4b5563; }

.hidden-placeholder {
    background: #ffe4e6; border: 1px dashed #f43f5e; color: #be123c; padding: 10px; font-size: 0.8rem; text-align: center;
}

.submit-btn-preview {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    align-self: flex-start;
    opacity: 0.7;
    cursor: not-allowed;
}

/* --- Formulários de Configuração --- */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 0.9rem; color: #374151; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px; border: 1px solid #d1d5db; border-radius: 4px; font-size: 0.9rem;
}
.btn-action {
    width: 100%; padding: 10px; background-color: #059669; color: white; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; margin-top: 10px;
}
.btn-action:hover { background-color: #047857; }
.btn-delete { background-color: #dc2626; margin-top: 20px; }
.btn-delete:hover { background-color: #b91c1c; }

.empty-state { text-align: center; color: #9ca3af; margin-top: 50px; font-style: italic; }