:root {
    --bg-color: #1a1a1a;
    --text-color: #f0f0f0;
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --card-bg: #2a2a2a;
    --border-color: #444;
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --success-color: #28a745;
}

body {
    /* font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; */
    font-family: 'Sansation', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

header h1 a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 24px;
}

main {
    width: 100%;
    max-width: 800px;
}

button {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: var(--primary-color);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: var(--primary-hover);
}

button:disabled {
    background-color: #555;
    cursor: not-allowed;
}

button.danger {
    background-color: var(--danger-color);
}
button.danger:hover {
    background-color: var(--danger-hover);
}

input[type="text"] {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 16px;
    flex-grow: 1;
}

.hidden {
    display: none !important;
}

#landing-page, #dashboard-page {
    text-align: center;
}

.action-box, .card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    margin-top: 30px;
    border: 1px solid var(--border-color);
}

.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.domain-suffix {
    font-size: 18px;
    color: #aaa;
}

#walletAddress {
    font-size: 14px;
    background-color: var(--card-bg);
    padding: 8px 12px;
    border-radius: 20px;
}

#domain-management-section {
    margin-top: 20px;
    text-align: left;
}
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Alert Box */
#alert-box {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 25px;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.5s;
}
#alert-box.show {
    opacity: 1;
}
#alert-box.success { background-color: var(--success-color); }
#alert-box.error { background-color: var(--danger-color); }

button.success {
    background-color: var(--success-color);
}
button.success:hover {
    background-color: #218838;
}

#unlockStatus {
    font-size: 14px;
    color: #f0ad4e; /* Warning color */
    margin-bottom: 15px;
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

button.small {
    padding: 6px 12px;
    font-size: 14px;
}

#my-domains-container {
    text-align: left;
}

#my-domains-list .domain-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

#my-domains-list .domain-item:last-child {
    border-bottom: none;
}

#my-domains-list .domain-item-name {
    font-weight: bold;
}

#my-domains-list .no-domains {
    padding: 20px;
    text-align: center;
    color: #888;
}

.how-it-works-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 40px 0;
    text-align: left;
}

.step-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.step-card h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.step-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #ccc;
}

.action-box h3 {
    text-align: center;
}

.small-note {
    font-size: 12px;
    color: #888;
    margin-top: 10px;
    text-align: center;
}
/* 모바일에서 헤더 타이틀 크기 축소 */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.2em !important;
    }
}