.tr-container {
    max-width: 650px;
    margin: 30px auto;
    text-align: center;
    font-family: 'Arial', sans-serif;
}

#tr-input {
    width: 100%;
    min-height: 120px;
    padding: 15px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid #ddd;
    transition: box-shadow 0.3s ease;
}

#tr-input:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(0,115,170,0.3);
}

#tr-submit {
    margin-top: 12px;
    padding: 12px 25px;
    font-size: 16px;
    border: none;
    background-color: #0073aa;
    color: #fff;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#tr-submit:hover {
    background-color: #005177;
}

.tr-card {
    margin-top: 25px;
    padding: 25px;
    border-radius: 15px;
    background-color: #ffffff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    text-align: left;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.tr-card.show {
    opacity: 1;
    transform: translateY(0);
}

.tr-card h2 {
    margin-top: 0;
    color: #0073aa;
    font-size: 24px;
    display: flex;
    align-items: center;
}

.tr-card h2::before {
    content: "📍";
    margin-right: 10px;
}

.tr-card p {
    margin: 8px 0;
    font-size: 15px;
}

.tr-card .tr-section {
    margin-top: 10px;
}

.tr-card .tr-section-title {
    cursor: pointer;
    font-weight: bold;
    display: flex;
    align-items: center;
    user-select: none;
}

.tr-card .tr-section-title::before {
    content: "▼";
    display: inline-block;
    margin-right: 6px;
    transition: transform 0.3s ease;
}

.tr-card .tr-section-content {
    display: none;
    margin-top: 6px;
}

.tr-card .tr-section.open .tr-section-content {
    display: block;
}

.tr-card .tr-section.open .tr-section-title::before {
    transform: rotate(-90deg);
}

.loading {
    font-style: italic;
    color: #555;
}