.aac-card {
    max-width: 400px;
    width: 100%;
    margin: 30px auto;
    padding: 20px;
    background: #eeeeee;
    border: 1px solid #bbbbbb;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    font-family: 'Manrope', sans-serif;
    box-sizing: border-box;
    color: #000000;
}

.aac-card * { box-sizing: border-box; }

.aac-card h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 20px;
    color: #1976ea;
}

.aac-card label {
    display: block;
    margin: 10px 0 5px;
    color: #000000;
}

.aac-card input, .aac-card select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 15px;
    font-size: 16px;
    display: block;
    background: #ffffff;
    color: #000000;
}

.aac-buttons, .aac-result-buttons {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin: 10px 0;
}

.aac-buttons button, .aac-result-buttons button {
    flex: 1;
    min-width: 100px;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    background: #1976ea;
    color: #fff;
    transition: background-color 0.3s ease;
}

.aac-buttons button:hover, .aac-result-buttons button:hover {
    background: #219b92;
}

#aac-calc { background: #1976ea; }
#aac-reset { background: #1976ea; }
#aac-copy, #aac-download { background: #1976ea; }

#aac-calc:hover { background: #219b92; }
#aac-reset:hover { background: #219b92; }
#aac-copy:hover, #aac-download:hover { background: #219b92; }

#aac-result {
    margin-top: 20px;
    padding: 12px;
    background: #ffffff;
    border: 1px solid #bbbbbb;
    border-radius: 6px;
    display: none;
    animation: fadeIn 0.5s ease-in-out;
    white-space: pre-line;
    font-size: 16px;
    color: #000000;
}

@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

@media (max-width: 480px) {
    .aac-card { padding: 15px; }
    .aac-buttons, .aac-result-buttons { flex-direction: column; }
    .aac-buttons button, .aac-result-buttons button { min-width: 100%; }
    .aac-card h2 { font-size: 18px; }
    .aac-card input, .aac-card select { font-size: 14px; padding: 8px; }
    #aac-result { font-size: 15px; padding: 10px; }
}