/* --- CSS STYLES (Base) --- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #343a40;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 40px 20px;
}
.container {
    max-width: 800px;
    width: 100%;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #dee2e6;
}
h2 {
    text-align: center;
    color: #007bff;
    margin-bottom: 30px;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
}
.warning-message {
    font-size: 0.9em;
    color: #dc3545;
    margin-bottom: 30px;
}

/* Creation/Edit Form */
#create-form, #edit-form-container {
    padding: 20px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    margin-bottom: 30px;
    background-color: #f1f7fe;
}
input[type="text"], textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1em;
}
button {
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: none;
    font-weight: bold;
}
button.primary {
    background-color: #28a745;
    color: white;
}
button.primary:hover {
    background-color: #1e7e34;
}
/* Post List */
.post-card {
    border: 1px solid #e9ecef;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.post-card h3 {
    color: #007bff;
    margin-top: 0;
}
.post-meta {
    font-size: 0.9em;
    color: #6c757d;
    margin-bottom: 10px;
}
.post-actions button {
    margin-left: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}
.edit-btn {
    background-color: #ffc107;
    color: #343a40;
}
.delete-btn {
    background-color: #dc3545;
    color: white;
}

@media (max-width: 768px) {
    .container {
        max-width: 600px;
        padding: 25px;
    }
    h2 {
        margin-bottom: 25px;
        font-size: 1.8rem;
    }
    #create-form, #edit-form-container {
        padding: 18px;
        margin-bottom: 25px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 20px 10px;
    }
    .container {
        padding: 15px;
        border-width: 1px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    h2 {
        font-size: 1.5rem;
        margin-bottom: 20px;
        padding-bottom: 8px;
    }

    #create-form, #edit-form-container {
        padding: 15px;
        margin-bottom: 20px;
    }
    input[type="text"], textarea {
        padding: 10px;
        margin-bottom: 10px;
        font-size: 0.95em;
    }
    button {
        padding: 10px 12px;
        font-size: 0.95em;
    }
    
    .post-card {
        padding: 12px;
        margin-bottom: 10px;
    }
    .post-card h3 {
        font-size: 1.15rem;
    }
    .post-meta {
        font-size: 0.85em;
    }
    .post-actions button {
        margin-left: 5px;
        padding: 4px 8px;
        font-size: 0.85em;
    }
}

@media (max-width: 380px) {
    h2 {
        font-size: 1.3rem;
    }
    .post-actions button {
        display: block;
        width: 100%;
        margin-left: 0;
        margin-top: 5px;
    }
}