body {
    font-family: "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0px 0px;
    line-height: 1.7;

    background: linear-gradient(
      135deg,
      rgb(1, 41, 103) 0%,
      rgb(1, 76, 149) 15%,
      rgb(0, 158, 192) 35%,
      rgb(1, 205, 225) 55%,
      rgb(139, 110, 171) 75%,
      rgb(4, 26, 74) 100%
    );

    background-attachment: fixed;
    background-size: cover;
    color: #f1f1f1;
}

.post-container {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    padding: 35px;
    border-radius: 14px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.25);

    max-width: 850px;  /* controla a largura máxima */
    margin: 40px auto; /* CENTRALIZA e adiciona espaço superior/inferior */
}


h1 {
    font-size: 2.6rem;
    text-align: center;
    margin-bottom: 15px;
    color: #ffffff;
}

h2 {
    font-size: 1.9rem;
    margin-top: 32px;
    padding-left: 12px;
    border-left: 5px solid #4CAF50;
    color: #e8f5e9;
}

h3 {
    color: #d7ffd9;
}

p, li {
    font-size: 1.05rem;
    color: #f8f8f8;
}

ul, ol {
    margin-left: 30px;
}

.info-box {
    background: rgba(0, 255, 120, 0.18);
    border-left: 6px solid #4CAF50;
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
    color: #eaffea;
}

.alert-box {
    background: rgba(255, 80, 80, 0.18);
    border-left: 6px solid #ff4d4d;
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
    color: #ffecec;
}

pre {
    background: rgba(20, 20, 20, 0.75);
    color: #ffffff;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.95rem;
    border-left: 5px solid #4CAF50;
}

code {
    background: rgba(255, 255, 255, 0.1);
    color: #d4ffd6;
    padding: 3px 6px;
    border-radius: 5px;
}

a {
    color: #00ff9d;
    font-weight: bold;
    text-decoration: underline;
    transition: 0.2s;
}

a:hover {
    color: #91ffd4;
}

.toc {
    background: rgba(255, 255, 255, 0.1);
    padding: 18px;
    border-radius: 10px;
    border-left: 5px solid #4CAF50;
    margin-bottom: 25px;
}

.toc h3 {
    margin-top: 0;
}

.toc a {
    color: #8affc7;
}

.toc a:hover {
    color: #c6ffe4;
}

.back-link {
    display: inline-block;
    margin-top: 40px;
    padding: 10px 14px;
    background: #4CAF50;
    color: #fff !important;
    border-radius: 6px;
    text-decoration: none;
}

.back-link:hover {
    background: #3d8b3f;
}