body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    text-align: center;
    background-color: #eef2f7;
    padding: 20px;
    color: #333;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    max-width: 400px;
    margin: auto;
}

h1 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #1a73e8;
}

.main-btn {
    background-color: #1a73e8;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    width: 100%;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(26,115,232,0.3);
    margin-bottom: 10px;
}

.reset-btn {
    background-color: #f1f3f4;
    color: #5f6368;
    border: 1px solid #dadce0;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    width: 60%;
    transition: 0.3s;
    margin-bottom: 20px;
}

.main-btn:active, .reset-btn:active {
    transform: scale(0.95);
}

#status-message {
    margin: 10px 0;
    font-size: 14px;
    color: #666;
    min-height: 1.5em;
}

.spot-card {
    background: #fff;
    border: 1px solid #eee;
    margin: 12px 0;
    padding: 15px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.spot-name {
    font-weight: bold;
    font-size: 16px;
}

.stamp-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
}

.not-yet {
    background: #f0f0f0;
    color: #999;
}

.cleared {
    background: #e6f4ea;
    color: #1e8e3e;
    border: 1px solid #1e8e3e;
    animation: pop 0.3s ease-out;
}

@keyframes pop {
    0% { transform: scale(0.8); }
    100% { transform: scale(1); }
}

#congrats {
    display: none;
    background: #fff3cd;
    border: 2px solid #ffeeba;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    color: #856404;
    font-weight: bold;
}