body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(#0b3d2e, #1e7f5c);
    color: #fff;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 750px;
    margin: 40px auto;
    background: rgba(255,255,255,0.12);
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0 0 25px rgba(0,0,0,0.35);
}

h1 {
    text-align: center;
}

.subtitle {
    text-align: center;
    font-style: italic;
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border-radius: 6px;
    border: none;
    font-size: 16px;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

button {
    width: 100%;
    margin-top: 15px;
    padding: 12px;
    font-size: 18px;
    font-weight: bold;
    background-color: #c62828;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background-color: #e53935;
}

.entries {
    margin-top: 30px;
}

.entry {
    background: rgba(0,0,0,0.3);
    padding: 14px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.entry strong {
    color: #ffeb3b;
}

.entry .date {
    float: right;
    font-size: 12px;
    opacity: 0.8;
}

.back-link {
    text-align: center;
    margin-top: 30px;
}

.back-link a {
    color: #ffeb3b;
    font-weight: bold;
    text-decoration: none;
}