/* --- RESETA E CONFIGURAÇÕES GLOBAIS (CRUCIAL PARA O LAYOUT) --- */
* {
    box-sizing: border-box; /* Garante que paddings não estourem a tela */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
    height: 100vh; /* Altura exata da janela */
    display: flex;
    flex-direction: column; /* Organiza Header em cima e Conteúdo em baixo */
    overflow: hidden; /* Evita barra de rolagem na página inteira */
}

/* --- CABEÇALHO FIXO NO TOPO --- */
.header-main {
    padding: 10px 20px;
    background: #fff;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0; /* Não deixa o cabeçalho encolher */
    height: 60px; /* Define altura fixa para garantir estabilidade */
    z-index: 20;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* --- CONTAINER PRINCIPAL --- */
.container {
    display: flex;
    flex: 1; /* Ocupa todo o espaço restante abaixo do cabeçalho */
    height: calc(100vh - 60px); /* Garante que não ultrapasse a tela */
    width: 100vw;
    overflow: hidden;
}

/* --- CLASSES UTILITÁRIAS --- */
.hidden { display: none !important; }

.full-width {
    flex: 100% !important;
    border: none !important;
    max-width: 100% !important;
}

/* --- LADO DO EDITOR --- */
.editor-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #ccc;
    background: #f9f9f9;
    height: 100%; /* Força altura total do container pai */
    transition: flex 0.3s ease;
}

/* Área de Scroll dos Blocos (Onde ficam as caixas) */
#input-container {
flex: 1; /* Ocupa o espaço entre o topo e a barra de ferramentas */
overflow-y: auto;
padding: 20px;
padding-bottom: 20px;
}

/* Barra de Ferramentas Fixa no Rodapé */
.toolbar {
    padding: 15px 20px;
    background: #fff;
    border-top: 1px solid #ddd;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    z-index: 10;
    flex-shrink: 0; /* Garante que a barra nunca seja esmagada/oculta */
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    min-height: 70px; /* Garante altura mínima para os botões */
}

/* --- LADO DA VISUALIZAÇÃO --- */
.preview-side {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #fff;
    height: 100%;
    transition: flex 0.3s ease;
}

/* --- ESTILOS DE TEXTO --- */
h2 { margin: 0; color: #444; font-size: 1.5em; }
.version-tag { font-size: 0.5em; background: #e74c3c; color: white; padding: 2px 5px; border-radius: 3px; vertical-align: middle; }
.subtitle { font-size: 0.9em; color: #666; margin: 5px 0 0 0; font-style: italic; }

/* --- CONTROLES DE VISUALIZAÇÃO --- */
.view-controls {
    display: flex;
    background: #eee;
    padding: 3px;
    border-radius: 6px;
    margin-right: 15px;
}

.btn-view {
    border: none;
    background: transparent;
    padding: 5px 12px;
    cursor: pointer;
    font-size: 12px;
    border-radius: 4px;
    color: #555;
    font-weight: 600;
}
.btn-view:hover { background: rgba(0,0,0,0.05); }
.btn-view.active { background: white; box-shadow: 0 1px 3px rgba(0,0,0,0.1); color: #3498db; }

/* --- BOTÕES DA TOOLBAR --- */
.toolbar button {
    cursor: pointer;
    padding: 10px 15px;
    border: 1px solid #ccc;
    background: #f8f9fa;
    border-radius: 4px;
    transition: all 0.2s;
    font-weight: 500;
}
.toolbar button:hover { background: #e2e6ea; border-color: #adb5bd; transform: translateY(-1px); }

.btn-export { background-color: #27ae60 !important; color: white !important; border: none !important; }
.btn-export:hover { background-color: #219150 !important; }

/* Botões Auxiliares */
.btn-help { background: #3498db; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-weight: bold; margin-left: 10px; }
.checkbox-container { display: flex; align-items: center; font-size: 0.9em; color: #555; margin-left: 10px; }
.checkbox-container input { margin-right: 5px; }

/* --- BLOCOS DE INPUT --- */
.block-input {
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-left: 4px solid #3498db;
    animation: slideIn 0.3s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.block-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; border-bottom: 1px solid #eee; padding-bottom: 5px; font-size: 0.85em; color: #777; letter-spacing: 1px; }

/* Controles de Bloco */
.header-controls { display: flex; gap: 5px; align-items: center; }
.btn-control { background: #f0f0f0; border: 1px solid #ccc; color: #555; border-radius: 3px; padding: 3px 8px; cursor: pointer; font-size: 11px; transition: background 0.2s; text-transform: uppercase; font-weight: bold; }
.btn-control:hover { background: #e0e0e0; color: #333; }
.btn-remove { background: #ff4d4d; color: white; border: none; border-radius: 3px; padding: 3px 8px; cursor: pointer; margin-left: 10px; font-size: 11px; font-weight: bold; }
.btn-remove:hover { background: #cc0000; }

/* Ferramentas Internas */
.tools { background: #f1f3f5; padding: 5px; border-radius: 4px; margin-bottom: 5px; display: inline-block; }
.btn-tool { background: #fff; border: 1px solid #ced4da; font-size: 12px; padding: 4px 8px; cursor: pointer; border-radius: 3px; margin-right: 3px; color: #495057; min-width: 25px; }
.btn-tool:hover { background: #e9ecef; }

/* Áreas Editáveis */
.editable-box { width: 100%; min-height: 80px; border: 1px solid #ced4da; padding: 10px; border-radius: 4px; background: #fff; outline: none; overflow-wrap: break-word; line-height: 1.6; }
.editable-box:empty:before { content: attr(data-placeholder); color: #999; font-style: italic; pointer-events: none; display: block; }
.editable-box:focus { border-color: #3498db; box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25); }
.simple-input { width: 100%; padding: 10px; border: 1px solid #ced4da; border-radius: 4px; font-size: 14px; }

/* Estilos Visuais Internos */
.editable-box a { color: blue; text-decoration: underline; cursor: text; }
.editable-box code em { color: #c7254e; background-color: #f9f2f4; padding: 2px 4px; border-radius: 3px; font-family: monospace; font-style: normal; }
.editable-box kbd { background-color: #eee; border-radius: 3px; border: 1px solid #b4b4b4; box-shadow: 0 1px 1px rgba(0,0,0,.2), 0 2px 0 0 rgba(255,255,255,.7) inset; color: #333; display: inline-block; font-size: .85em; font-weight: 700; line-height: 1; padding: 2px 4px; font-family: monospace; white-space: nowrap; }
.editable-box strong { font-weight: bold; color: #000; }
.editable-box em { font-style: italic; color: #555; }
.code-block-style { background-color: #2d2d2d; color: #f8f8f2; font-family: 'Consolas', 'Monaco', monospace; padding: 10px; border-radius: 4px; }
.codigo { font-family: 'Consolas', 'Monaco', monospace; background-color: #f5f5f5; border: 1px solid #ccc; padding: 10px; display: block; white-space: pre-wrap; margin-bottom: 20px; font-size: 13px; color: #333; }

/* Preview */
#preview-output { background: white; padding: 20px; min-height: 80%; }
#preview-output pre.prettyprint { background-color: #282c34; color: #abb2bf; font-family: 'Fira Code', 'Consolas', 'Monaco', monospace; font-size: 14px; padding: 15px; border-radius: 6px; border: 1px solid #3e4451; overflow-x: auto; white-space: pre; margin-bottom: 20px; box-shadow: inset 0 0 10px #000000; }
.youtube-placeholder { width: 100%; max-width: 560px; height: 315px; background-color: #e0e0e0; border: 2px dashed #999; display: flex; align-items: center; justify-content: center; color: #555; font-family: sans-serif; font-size: 14px; text-align: center; margin-bottom: 20px; margin-top: 10px; flex-direction: column; padding: 20px; }
.image-placeholder { width: 100%; padding: 15px; background-color: #fff3cd; border: 1px solid #ffeeba; color: #856404; border-radius: 4px; margin-bottom: 15px; text-align: center; font-family: sans-serif; }

/* Modal */
.modal { display: none; position: fixed; z-index: 9999; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); align-items: center; justify-content: center; }
.modal-content { background-color: #fefefe; padding: 25px; border: 1px solid #888; width: 60%; max-width: 600px; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); position: relative; animation: fadeIn 0.3s; }
.close-btn { color: #aaa; position: absolute; top: 10px; right: 15px; font-size: 28px; font-weight: bold; cursor: pointer; }
.close-btn:hover { color: black; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }