body {
    background-color: #f8f9fa;
    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    font-size: 1.2rem;
}

.date-nav h5 {
    font-size: 1.1rem;
    margin: 0;
}

.date-picker {
    width: auto;
    display: inline-block;
    margin-top: 4px;
    font-size: 0.85rem;
    max-width: 160px;
}

.slot-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.slot-card .card-header {
    font-size: 0.95rem;
    padding: 10px 15px;
    border-bottom: 1px solid #e9ecef;
}

.slot-entry {
    border-bottom: 1px solid #f0f0f0;
    min-height: 48px;
}

.slot-entry:last-child {
    border-bottom: none;
}

.guest-name {
    font-weight: 500;
    color: #333;
}

.slot-btn {
    min-width: 60px;
    min-height: 44px;
    font-size: 0.9rem;
    padding: 6px 12px;
}

.btn-lg {
    min-height: 48px;
    font-size: 1.05rem;
}

.form-control {
    min-height: 44px;
    font-size: 1rem;
}

.form-control-lg {
    min-height: 52px;
    font-size: 1.15rem;
}

.badge {
    min-width: 24px;
    min-height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.alert {
    font-size: 0.9rem;
    border-radius: 8px;
}

.card {
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

@media (max-width: 576px) {
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .date-nav .btn {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .slot-btn {
        min-width: 56px;
    }
}